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SL-54U5, SL-54U1
SOLTEK COMPUTER, INC.
SL-54U5, SL-54U1
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Device Type
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Mainboard
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Processor
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CX 6X86MX/IDT C6/AM K5/AM K6/AM K6-2/Pentium/Pentium MMX
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Processor Speed
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133/150/166/180/200/233/266/275/333/350MHz
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Chip Set
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VIA Apollo MVP3
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Maximum Onboard Memory
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1GB (EDO & SDRAM supported)
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Cache
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512/1024KB
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BIOS
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Award
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I/O Options
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32-bit PCI slots (3), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse connector, serial ports (2), USB connectors (2), IR connector, AGP slot, ATX power connector
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Dimensions
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240mm x 220mm
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CONNECTIONS
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Purpose
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Location
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Purpose
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Location
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AGP slot
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AGP
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Reset switch
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J1B
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ATX power supply
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ATX
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Power LED & keylock
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J1C
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Serial port 1
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CN1
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Turbo LED
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J1D
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Serial port 2
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CN2
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IDE interface LED
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J2A
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Parallel port
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CN3
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IR connector
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J2B
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Floppy drive interface
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CN4
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Power switch
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J2C
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IDE interface 1
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CN5
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PS/2 mouse interface
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MS1
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IDE interface 2
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CN6
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32-bit PCI slots
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PC1 - PC3
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CPU fan power
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FAN
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USB connector
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USB
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Speaker
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J1A
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USER CONFIGURABLE SETTINGS
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Function
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Label
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Position
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»
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CMOS memory normal operation
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JP2
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Pins 1 & 2 closed
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CMOS memory clear
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JP2
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Pins 2 & 3 closed
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DRAM CONFIGURATION
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Size
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Bank 0
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Bank 1
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Bank 2
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8MB
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(2) 1MB x 36
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None
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None
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16MB
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(2) 1MB x 36
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(1) 1MB x 64
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None
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16MB
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(2) 2MB x 36
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None
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None
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24MB
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(2) 1MB x 36
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(1) 1MB x 64
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(1) 1MB x 64
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24MB
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(2) 2MB x 36
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(1) 1MB x 64
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None
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32MB
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(2) 2MB x 36
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(1) 2MB x 64
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None
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32MB
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(2) 4MB x 64
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None
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None
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40MB
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(2) 2MB x 36
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(1) 2MB x 64
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(1) 1MB x 64
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40MB
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(2) 4MB x 36
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(1) 1MB x 64
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None
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48MB
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(2) 2MB x 36
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(1) 2MB x 64
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(1) 2MB x 64
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48MB
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(2) 4MB x 36
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(1) 2MB x 64
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None
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64MB
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(2) 4MB x 36
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(1) 4MB x 64
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None
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64MB
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(2) 8MB x 36
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None
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None
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72MB
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(2) 4MB x 36
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(1) 4MB x 64
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(1) 1MB x 64
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72MB
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(2) 8MB x 36
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(1) 1MB x 64
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None
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80MB
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(2) 4MB x 36
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(1) 4MB x 64
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(1) 2MB x 64
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80MB
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(2) 8MB x 36
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(1) 2MB x 64
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None
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96MB
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(2) 4MB x 36
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(1) 4MB x 64
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(1) 4MB x 64
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96MB
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(2) 8MB x 36
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(1) 4MB x 64
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None
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DRAM CONFIGURATION (CONT.)
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Size
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Bank 0
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Bank 1
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Bank 2
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128MB
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(2) 8MB x 36
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(1) 8MB x 64
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None
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128MB
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(2) 16MB x 36
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None
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None
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136MB
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(2) 8MB x 36
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(1) 8MB x 64
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(1) 1MB x 64
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136MB
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(2) 16MB x 36
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(1) 1MB x 64
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None
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144MB
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(2) 8MB x 36
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(1) 8MB x 64
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(1) 2MB x 64
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144MB
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(2) 16MB x 36
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(1) 2MB x 64
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None
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160MB
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(2) 8MB x 36
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(1) 8MB x 64
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(1) 4MB x 64
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160MB
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(2) 16MB x 36
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(1) 4MB x 64
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None
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196MB
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(2) 8MB x 36
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(1) 8MB x 64
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(1) 8MB x 64
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196MB
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(2) 16MB x 36
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(1) 8MB x 64
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None
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256MB
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(2) 16MB x 36
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(1) 16MB x 64
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None
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256MB
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(2) 32MB x 36
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None
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None
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264MB
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(2) 32MB x 36
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(1) 1MB x 64
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None
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272MB
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(2) 32MB x 36
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(1) 2MB x 64
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None
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288MB
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(2) 32MB x 36
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(1) 4MB x 64
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None
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320MB
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(2) 32MB x 36
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(1) 8MB x 64
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None
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384MB
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(2) 32MB x 36
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(1) 16MB x 64
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None
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512MB
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(2) 32MB x 36
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(1) 32MB x 64
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None
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520MB
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(2) 32MB x 36
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(1) 32MB x 64
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(1) 1MB x 64
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528MB
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(2) 32MB x 36
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(1) 32MB x 64
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(1) 2MB x 64
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544MB
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(2) 32MB x 36
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(1) 32MB x 64
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(1) 4MB x 64
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576MB
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(2) 32MB x 36
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(1) 32MB x 64
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(1) 8MB x 64
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640MB
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(2) 32MB x 36
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(1) 32MB x 64
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(1) 16MB x 64
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768MB
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(2) 32MB x 36
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(1) 32MB x 64
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(1) 32MB x 64
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SDRAM CLOCK SETTINGS
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SDRAM Clock Speed
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JP1
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JP6
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| »
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CPU Clock
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Pins 1 & 2 closed
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Pins 2 & 3 closed
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AGP Clock (66MHz)
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Pins 2 & 3 closed
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Pins 1 & 2 closed
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CACHE CONFIGURATION
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Cache
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Bank 0
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512KB
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(2) 64KB x 32
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1024KB
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(2) 128KB x 32
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CPU SPEED SELECTION (CX 6X86MX)
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CPU Speed
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Clock speed
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Multiplier
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SW1/1
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SW1/2
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SW1/3
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SW1/4
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200MHz
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66MHz
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2.5x
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Off
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On
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On
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On
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200MHz
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75MHz
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2x
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Off
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Off
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On
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On
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233MHz
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66MHz
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3x
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Off
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On
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On
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Off
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233MHz
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75MHz
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2.5x
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Off
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Off
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On
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On
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266MHz
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75MHz
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3x
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Off
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Off
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On
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Off
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266MHz
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83MHz
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2.5x
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Off
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On
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Off
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On
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CPU SPEED SELECTION (CX 6X86MX CONT.)
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CPU Speed
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Clock speed
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Multiplier
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SW1/5
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SW1/6
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JP7
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JP8
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200MHz
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66MHz
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2.5x
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On
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Off
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2 & 3
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2 & 3
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200MHz
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75MHz
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2x
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Off
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Off
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2 & 3
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2 & 3
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233MHz
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66MHz
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3x
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On
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Off
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2 & 3
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2 & 3
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233MHz
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75MHz
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2.5x
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On
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Off
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2 & 3
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2 & 3
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266MHz
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75MHz
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3x
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On
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Off
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2 & 3
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2 & 3
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266MHz
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83MHz
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2.5x
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On
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Off
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1 & 2
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1 & 2
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Note: Numbers designate pins that should be closed.
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CPU SPEED SELECTION (IDT C6)
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CPU Speed
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Clock speed
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Multiplier
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SW1/1
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SW1/2
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SW1/3
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SW1/4
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200MHz
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66MHz
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3x
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Off
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On
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On
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Off
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233MHz
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66MHz
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3.5x
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Off
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On
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On
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Off
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266MHz
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66MHz
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4x
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Off
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On
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On
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On
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CPU SPEED SELECTION (IDT C6 CONT.)
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CPU Speed
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Clock speed
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Multiplier
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SW1/5
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SW1/6
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JP7
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JP8
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200MHz
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66MHz
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3x
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On
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Off
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2 & 3
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2 & 3
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233MHz
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66MHz
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3.5x
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Off
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Off
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2 & 3
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2 & 3
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266MHz
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66MHz
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4x
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Off
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On
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2 & 3
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2 & 3
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CPU SPEED SELECTION (AM K5)
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CPU Speed
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Clock speed
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Multiplier
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SW1/1
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SW1/2
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SW1/3
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SW1/4
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133MHz
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66MHz
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1.5x
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Off
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On
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On
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On
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166MHz
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66MHz
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2.5x
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Off
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On
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On
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On
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200MHz
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66MHz
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3x
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Off
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On
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On
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Off
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CPU SPEED SELECTION (AM K5 CONT.)
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CPU Speed
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Clock speed
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Multiplier
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SW1/5
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SW1/6
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JP7
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JP8
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133MHz
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66MHz
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1.5x
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Off
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Off
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2 & 3
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2 & 3
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166MHz
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66MHz
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2.5x
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On
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Off
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2 & 3
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2 & 3
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200MHz
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66MHz
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3x
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On
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Off
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2 & 3
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2 & 3
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CPU SPEED SELECTION (AM K6)
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CPU Speed
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Clock speed
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Multiplier
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SW1/1
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SW1/2
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SW1/3
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SW1/4
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166MHz
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66MHz
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2.5x
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Off
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On
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On
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On
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200MHz
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66MHz
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3x
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Off
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On
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On
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Off
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233MHz
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60MHz
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3.5x
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Off
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On
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On
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Off
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266MHz
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66MHz
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3.5x
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Off
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On
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On
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On
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CPU SPEED SELECTION (AM K6 CONT.)
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CPU Speed
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Clock speed
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Multiplier
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SW1/5
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SW1/6
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JP7
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JP8
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166MHz
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66MHz
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2.5x
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On
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Off
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2 & 3
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2 & 3
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200MHz
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66MHz
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3x
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On
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Off
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2 & 3
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2 & 3
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233MHz
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60MHz
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3.5x
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Off
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Off
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2 & 3
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2 & 3
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266MHz
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66MHz
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3.5x
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Off
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On
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2 & 3
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2 & 3
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CPU SPEED SELECTION (AM K6-2)
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CPU Speed
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Clock speed
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Multiplier
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SW1/1
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SW1/2
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SW1/3
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SW1/4
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250MHz
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100MHz
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2.5x
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Off
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Off
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Off
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On
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266MHz
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66MHz
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4x
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Off
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On
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On
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On
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300MHz
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100MHz
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3x
|
Off
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Off
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Off
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Off
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350MHz
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100MHz
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3.5x
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Off
|
Off
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Off
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Off
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CPU SPEED SELECTION (AM K6-2 CONT.)
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CPU Speed
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Clock speed
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Multiplier
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SW1/5
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SW1/6
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JP7
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JP8
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250MHz
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100MHz
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2.5x
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On
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Off
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1 & 2
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2 & 3
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266MHz
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66MHz
|
4x
|
Off
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On
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2 & 3
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2 & 3
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300MHz
|
100MHz
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3x
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On
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Off
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1 & 2
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2 & 3
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350MHz
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100MHz
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3.5x
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Off
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Off
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1 & 2
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2 & 3
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CPU SPEED SELECTION (PENTIUM)
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CPU Speed
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Clock speed
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Multiplier
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SW1/1
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SW1/2
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SW1/3
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SW1/4
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133MHz
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66MHz
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1.5x
|
Off
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On
|
On
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On
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166MHz
|
66MHz
|
2.5x
|
Off
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On
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On
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On
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200MHz
|
66MHz
|
3x
|
Off
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On
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On
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Off
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CPU SPEED SELECTION (PENTIUM CONT.)
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CPU Speed
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Clock speed
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Multiplier
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SW1/5
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SW1/6
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JP7
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JP8
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133MHz
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66MHz
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1.5x
|
Off
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Off
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2 & 3
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2 & 3
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166MHz
|
66MHz
|
2.5x
|
On
|
Off
|
2 & 3
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2 & 3
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200MHz
|
66MHz
|
3x
|
On
|
Off
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2 & 3
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2 & 3
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CPU SPEED SELECTION (PENTIUM MMX)
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CPU Speed
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Clock speed
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Multiplier
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SW1/1
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SW1/2
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SW1/3
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SW1/4
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166MHz
|
66MHz
|
2.5x
|
Off
|
On
|
On
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On
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200MHz
|
66MHz
|
3x
|
Off
|
On
|
On
|
Off
|
|
233MHz
|
66MHz
|
3.5x
|
Off
|
On
|
On
|
Off
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CPU SPEED SELECTION (PENTIUM MMX CONT.)
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CPU Speed
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Clock speed
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Multiplier
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SW1/5
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SW1/6
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JP7
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JP8
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166MHz
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66MHz
|
2.5x
|
On
|
Off
|
2 & 3
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2 & 3
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200MHz
|
66MHz
|
3x
|
On
|
Off
|
2 & 3
|
2 & 3
|
|
233MHz
|
66MHz
|
3.5x
|
Off
|
Off
|
2 & 3
|
2 & 3
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CPU VOLTAGE SELECTION
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|
Voltage (core)
|
JP3
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2.0v
|
Open
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2.1v
|
Pins 1 & 2 closed
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2.2v
|
Pins 3 & 4 closed
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|
2.3v
|
Pins 1 & 2, 3 & 4 closed
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2.4v
|
Pins 5 & 6 closed
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2.5v
|
Pins 1 & 2, 5 & 6 closed
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2.6v
|
Pins 3 & 4, 5 & 6 closed
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2.7v
|
Pins 1 & 2, 3 & 4, 5 & 6 closed
|
|
2.8v
|
Pins 7 & 8 closed
|
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2.9v
|
Pins 1 & 2, 7 & 8 closed
|
|
3.0v
|
Pins 3 & 4, 7 & 8 closed
|
|
3.1v
|
Pins 1 & 2, 3 & 4, 7 & 8 closed
|
|
3.2v
|
Pins 5 & 6, 7 & 8 closed
|
|
3.3v
|
Pins 1 & 2, 5 & 6, 7 & 8 closed
|
|
3.4v
|
Pins 3 & 4, 5 & 6, 7 & 8 closed
|
|
3.5v
|
Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8 closed
|
|