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MS-5148
MICRO-STAR INTERNATIONAL CO., LTD.
MS-5148
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Processor
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CX M1/CX M2/AM K5/AM K6/Pentium
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Processor Speed
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90/100/120/133/150/166/180/200/225/233MHz
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Chip Set
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Intel
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Video Chip Set
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None
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Maximum Onboard Memory
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256MB (EDO supported)
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Maximum Video Memory
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None
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Cache
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256/512KB
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BIOS
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Award
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Dimensions
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300mm x 186mm
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I/O Options
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32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connectors (2), ATX power connector
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NPU Options
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None
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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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ATX power connector
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ATX
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IR connector
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IR1
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Parallel port
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CN1
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Power LED & keylock
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JFP/pins 1 - 5
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Serial port 1
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CN2
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Speaker
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JFP/pins 7 - 10
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Serial port 2
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CN3
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Turbo LED
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JFP/pins 12 & 13
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USB connector
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CN4
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Reset switch
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JFP/pins 19 & 20
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USB connector
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CN5
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IDE interface LED
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JFP/pins 21 & 22
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PS/2 mouse port
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CN6
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Green PC LED
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JGL
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Floppy drive interface
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CN7
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Green PC connector
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JGS
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IDE interface 1
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CN8
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Soft off power supply
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JRMS1
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IDE interface 2
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CN9
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Soft off power supply
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JRMS2
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Chassis fan power
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FAN
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32-bit PCI slots
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PC1 – PC4
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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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JBAT
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Pins 1 & 2 closed
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CMOS memory clear
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JBAT
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Pins 2 & 3 closed
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»
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Factory configured - do not alter
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JP1
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Unidentified
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»
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Flash BIOS voltage select 5v
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JP2
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Pins 1 & 2 closed
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Flash BIOS voltage select 12v
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JP2
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Pins 2 & 3 closed
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DIMM/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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Bank 3
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8MB
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(2) 1M x 36
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None
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None
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None
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8MB
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None
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None
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(1) 1M x 64
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None
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16MB
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(2) 2M x 36
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None
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None
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None
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16MB
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None
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None
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(1) 2M x 64
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None
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16MB
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(2) 1M x 36
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(2) 1M x 36
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None
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None
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16MB
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(2) 1M x 36
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None
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None
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(1) 1M x 64
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16MB
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None
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None
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(1) 1M x 64
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(1) 1M x 64
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24MB
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None
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(2) 2M x 36
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(1) 1M x 64
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None
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32MB
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(2) 4M x 36
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None
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None
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None
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32MB
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None
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None
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(1) 4M x 64
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None
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32MB
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(2) 2M x 36
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None
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None
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(1) 2M x 64
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40MB
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(2) 4M x 36
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(2) 1M x 36
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None
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None
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40MB
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(2) 4M x 36
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None
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None
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(1) 1M x 64
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48MB
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(2) 2M x 36
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None
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None
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(1) 4M x 64
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48MB
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(2) 4M x 36
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(2) 2M x 36
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None
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None
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64MB
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(2) 8M x 36
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None
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None
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None
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64MB
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None
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None
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None
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(1) 8M x 64
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64MB
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(2) 4M x 36
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(2) 4M x 36
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None
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None
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64MB
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(2) 4M x 36
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None
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None
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(1) 4M x 64
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DIMM/DRAM CONFIGURATION (CON’T)
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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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Bank 3
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64MB
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None
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None
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(1) 4M x 64
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(1) 4M x 64
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72MB
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(2) 8M x 36
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(2) 1M x 36
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None
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None
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72MB
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(2) 8M x 36
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None
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None
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(1) 1M x 64
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80MB
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None
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(2) 2M x 36
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(1) 8M x 64
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None
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80MB
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(2) 8M x 36
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None
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None
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(1) 2M x 64
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80MB
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(2) 8M x 36
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(2) 2M x 36
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None
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None
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96MB
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(2) 4M x 36
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None
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None
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(1) 8M x 64
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96MB
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(2) 8M x 36
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(2) 4M x 36
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None
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None
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96MB
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(2) 8M x 36
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None
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None
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(1) 4M x 64
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128MB
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(2) 8M x 36
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None
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None
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(1) 8M x 64
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128MB
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None
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None
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(1) 8M x 64
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(1) 8M x 64
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128MB
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(2) 8M x 36
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(2) 8M x 36
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None
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None
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128MB
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(2) 16M x 36
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None
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None
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None
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128MB
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None
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None
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None
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(1) 16M x 64
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136MB
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(2) 16M x 36
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(2) 1M x 36
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None
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None
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136MB
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(2) 16M x 36
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None
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None
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(1) 1M x 64
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144MB
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(2) 16M x 36
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(2) 2M x 36
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None
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None
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160MB
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(2) 16M x 36
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(2) 4M x 36
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None
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None
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192MB
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(2) 16M x 36
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(2) 8M x 36
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None
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None
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192MB
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(2) 16M x 36
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None
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None
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(1) 8M x 64
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256MB
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(2) 16M x 36
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(2) 16M x 36
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None
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None
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256MB
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(2) 32M x 36
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None
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None
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None
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256MB
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None
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None
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(1) 16M x 64
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(1) 16M x 64
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256MB
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None
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None
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(1) 32M x 64
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None
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Note: Board accepts EDO memory.
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DIMM VOLTAGE CONFIGURATION
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Voltage
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JV1
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3.3v
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Pins 7 & 8, 9 & 10 closed
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5v
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Pins 1 & 2, 3 & 4 closed
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CACHE CONFIGURATION
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Note: The location of the 256KB/512KB cache is unidentified.
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CPU SPEED SELECTION (CYRIX M1)
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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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SW1/5
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SW1/6
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133MHz
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55MHz
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2x
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On
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Off
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Off
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On
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On
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Off
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150MHz
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60MHz
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2x
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On
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Off
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Off
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On
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Off
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Off
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166MHz
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66MHz
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2x
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On
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Off
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Off
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Off
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Off
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Off
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200MHz
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75MHz
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2x
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On
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Off
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Off
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Off
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On
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Off
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CPU SPEED SELECTION (CYRIX M2)
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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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SW1/5
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SW1/6
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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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On
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Off
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Off
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Off
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Off
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180MHz
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60MHz
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3x
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Off
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On
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Off
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On
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Off
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Off
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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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Off
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Off
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Off
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Off
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225MHz
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75MHz
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3x
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Off
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On
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Off
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Off
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On
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Off
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CPU SPEED SELECTION (AMD)
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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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SW1/5
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SW1/6
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90MHz
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60MHz
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1.5x
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Off
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Off
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Off
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On
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Off
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Off
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100MHz
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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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Off
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Off
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Off
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Off
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120MHz
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60MHz
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2x
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On
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Off
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Off
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On
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Off
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Off
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133MHz
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66MHz
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2x
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On
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Off
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Off
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Off
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Off
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Off
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150MHz
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60MHz
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2.5x
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On
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On
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Off
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On
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Off
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Off
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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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On
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Off
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Off
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Off
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Off
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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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Off
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Off
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Off
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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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Off
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Off
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Off
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Off
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Off
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CPU SPEED SELECTION (INTEL)
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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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SW1/5
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SW1/6
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90MHz
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60MHz
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1.5x
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Off
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Off
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Off
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On
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Off
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Off
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100MHz
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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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Off
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Off
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Off
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Off
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120MHz
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60MHz
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2x
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On
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Off
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Off
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On
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Off
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Off
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133MHz
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66MHz
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2x
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On
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Off
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Off
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Off
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Off
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Off
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150MHz
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60MHz
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2.5x
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On
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On
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Off
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On
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Off
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Off
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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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On
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Off
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Off
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Off
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Off
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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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Off
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Off
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Off
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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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Off
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Off
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Off
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Off
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Off
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CPU VOLTAGE SELECTION (SINGLE)
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Voltage
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JV3
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JV4
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JV5
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JV6
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3.38v
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Open
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Closed
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Open
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Open
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3.52v
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Closed
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Open
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Open
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Open
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CPU VOLTAGE SELECTION (DUAL)
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Voltage
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V core
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JV3
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JV4
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JV5
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JV6
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3.3v
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2.8v
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Closed
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Open
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Open
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Open
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3.3v
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2.9v
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Open
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Open
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Open
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Closed
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3.3v
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3.2v
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Open
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Open
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Closed
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Open
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