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P5HX-LA
ELITEGROUP COMPUTER SYSTEMS, INC.
P5HX-LA
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Processor
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CX M1/Pentium
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Processor Speed
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75/90/100/120/133/150/166/200MHz
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Chip Set
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Intel
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Video Chip Set
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ATI
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Maximum Onboard Memory
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384MB
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Maximum Video Memory
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2MB
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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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330mm x 218mm
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I/O Options
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Floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, riser slot, cache slot, IR connectors (2), USB connector, CD-ROM audio connector, wavetable connector, Modem Blaster Pro connector, audio interface 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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Serial port 1
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J1
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IR connector (Fast)
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J17
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Serial port 2
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J2
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Turbo LED
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J18/pins 2 & 3
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Parallel port
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J3
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Green PC connector
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J18/pins 4 & 5
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PS/2 mouse port
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J4
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Turbo switch
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J18/pins 6 & 7
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VGA port
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J6
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Reset switch
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J18/pins 9 & 10
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CD-ROM audio in connector
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J7
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Power LED & keylock
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J18/pins 11 - 15
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USB connector
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J8
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Speaker
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J18/pins 17 - 20
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VGA feature connector
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J9
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Modem Blaster Pro connector
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J20
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IR connector (Intel)
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J10
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Audio interface connector
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J21
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Floppy drive interface
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J11
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Chassis fan power
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JP18
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IDE interface 1
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J12
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Wavetable connector
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JP19
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IDE interface 2
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J13
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Riser slot
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SL1
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IDE interface LED
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J15
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Cache slot
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SL2
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Green PC LED
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J16
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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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On board video enabled
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JP1/pins 1 & 2
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Open
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On board video disabled
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JP1/pins 1 & 2
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Closed
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VGA IRQ enabled
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JP1/pins 3 & 4
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Open
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VGA IRQ disabled
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JP1/pins 3 & 4
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Closed
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Spare I/O decoding
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JP1/pins 5 & 6
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Open
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Block I/O decoding
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JP1/pins 5 & 6
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Closed
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»
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CMOS memory normal operation
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JP11
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Pins 2 & 3 closed
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CMOS memory clear
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JP11
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Pins 1 & 2 closed
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Audio enabled
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JP23
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Pins 2 & 3 closed
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Audio disabled
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JP23
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Pins 1 & 2 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) 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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(2) 1M x 36
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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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24MB
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(2) 1M x 36
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(2) 1M x 36
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(2) 1M x 36
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24MB
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(2) 2M x 36
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(2) 1M x 36
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None
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32MB
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(2) 2M x 36
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(2) 1M x 36
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(2) 1M x 36
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32MB
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(2) 2M x 36
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(2) 2M x 36
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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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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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48MB
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(2) 2M x 36
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(2) 2M x 36
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(2) 2M x 36
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48MB
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(2) 4M x 36
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(2) 1M x 36
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(2) 1M x 36
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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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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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64MB
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(2) 4M x 36
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(2) 2M x 36
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(2) 2M x 36
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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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64MB
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(2) 8M 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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(2) 1M x 36
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None
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80MB
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(2) 8M x 36
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(2) 1M x 36
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(2) 1M x 36
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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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96MB
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(2) 4M x 36
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(2) 4M x 36
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(2) 4M x 36
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96MB
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(2) 8M x 36
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(2) 2M x 36
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(2) 2M x 36
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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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128MB
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(2) 8M x 36
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(2) 4M x 36
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(2) 4M x 36
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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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128MB
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(2) 16M 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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(2) 1M x 36
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None
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144MB
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(2) 16M x 36
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(2) 1M x 36
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(2) 1M x 36
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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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160MB
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(2) 16M x 36
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(2) 2M x 36
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(2) 2M x 36
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192MB
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(2) 8M x 36
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(2) 8M x 36
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(2) 8M x 36
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192MB
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(2) 16M x 36
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(2) 4M x 36
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(2) 4M x 36
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192MB
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(2) 16M x 36
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(2) 4M x 36
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(2) 4M x 36
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256MB
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(2) 16M x 36
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(2) 8M x 36
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(2) 8M x 36
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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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384MB
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(2) 16M x 36
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(2) 16M x 36
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(2) 16M x 36
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CACHE CONFIGURATION
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Size
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Bank 0
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SL1
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TAG0
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TAG1
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256KB (A)
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(2) 32K x 32
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Not installed
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(1) 8K/32 x 8
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None
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256KB (B)
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None
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256KB module installed
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None
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None
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512KB (A)
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(2) 32K x 32
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256KB module installed
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(1) 8K/32 x 8
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(1) 8K/32 x 8
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512KB (B)
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None
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512KB module installed
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None
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None
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CACHE JUMPER CONFIGURATION
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Size
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JP4
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JP12
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256KB (A)
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Closed
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Pins 1 & 2 closed
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256KB (B)
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Open
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Pins 1 & 2 closed
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512KB (A)
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Closed
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Pins 3 & 4 closed
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512KB (B)
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Open
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Pins 3 & 4 closed
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VIDEO MEMORY CONFIGURATION
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Size
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Bank 0
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Bank 1
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1MB
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(2) 256K x 16
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None
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2MB
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(2) 256K x 16
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(2) 256K x 16
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CPU SPEED SELECTION (CYRIX)
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CPU speed
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Clock speed
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Multiplier
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JP5
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JP6
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JP8
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JP14
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120MHz
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50MHz
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2x
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2 & 3
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1 & 2
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2 & 3
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1 & 2
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133MHz
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55MHz
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2x
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2 & 3
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1 & 2
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1 & 2
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1 & 2
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150MHz
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60MHz
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2x
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2 & 3
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1 & 2
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1 & 2
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1 & 2
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166MHz
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66MHz
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2x
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2 & 3
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1 & 2
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2 & 3
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1 & 2
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Note: Pins designated should be in the closed position.
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CPU SPEED SELECTION (CYRIX, CON’T)
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CPU speed
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Clock speed
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Multiplier
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JP15
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JP16
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JP17
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JP20
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120MHz
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50MHz
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2x
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1 & 2
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1 & 2
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1 & 2
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2 & 3
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133MHz
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55MHz
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2x
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1 & 2
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1 & 2
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1 & 2
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1 & 2
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150MHz
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60MHz
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2x
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1 & 2
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1 & 2
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1 & 2
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2 & 3
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166MHz
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66MHz
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2x
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1 & 2
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1 & 2
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1 & 2
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1 & 2
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Note: Pins designated should be in the closed position.
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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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JP5
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JP6
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JP8
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JP14
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75MHz
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50MHz
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1.5x
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1 & 2
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1 & 2
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2 & 3
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1 & 2
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90MHz
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60MHz
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1.5x
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1 & 2
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1 & 2
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1 & 2
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1 & 2
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100MHz
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66MHz
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1.5x
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1 & 2
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1 & 2
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2 & 3
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1 & 2
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120MHz
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60MHz
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2x
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2 & 3
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1 & 2
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1 & 2
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1 & 2
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133MHz
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66MHz
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2x
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2 & 3
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1 & 2
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2 & 3
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1 & 2
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150MHz
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60MHz
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2.5x
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2 & 3
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2 & 3
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1 & 2
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1 & 2
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166MHz
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66MHz
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2.5x
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2 & 3
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2 & 3
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2 & 3
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1 & 2
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166MHz (P55C)
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66MHz
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2.5x
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2 & 3
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2 & 3
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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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1 & 2
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2 & 3
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2 & 3
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1 & 2
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200MHz (P55C)
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66MHz
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3x
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1 & 2
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2 & 3
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2 & 3
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2 & 3
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Note: Pins designated should be in the closed position.
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CPU SPEED SELECTION (INTEL, CON’T)
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CPU speed
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Clock speed
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Multiplier
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JP15
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JP16
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JP17
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JP20
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75MHz
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50MHz
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1.5x
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1 & 2
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1 & 2
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1 & 2
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2 & 3
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90MHz
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60MHz
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1.5x
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1 & 2
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1 & 2
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1 & 2
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2 & 3
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100MHz
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66MHz
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1.5x
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1 & 2
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1 & 2
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1 & 2
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1 & 2
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120MHz
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60MHz
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2x
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1 & 2
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1 & 2
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1 & 2
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2 & 3
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133MHz
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66MHz
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2x
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1 & 2
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1 & 2
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1 & 2
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1 & 2
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150MHz
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60MHz
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2.5x
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1 & 2
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1 & 2
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1 & 2
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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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1 & 2
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1 & 2
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1 & 2
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1 & 2
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166MHz (P55C)
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66MHz
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2.5x
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2 & 3
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2 & 3
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2 & 3
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1 & 2
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200MHz
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66MHz
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3x
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1 & 2
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1 & 2
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1 & 2
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1 & 2
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200MHz (P55C)
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66MHz
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3x
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2 & 3
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2 & 3
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2 & 3
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1 & 2
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Note: Pins designated should be in the closed position.
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CPU VOLTAGE SELECTION
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Voltage
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V core
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JP13
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JP21
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3.3v
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2.5v
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Pins 1 & 2 closed
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Pins 1 & 2 closed
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3.3v
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2.8v
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Pins 1 & 2 closed
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Pins 3 & 4 closed
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3.3v
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2.9v
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Pins 1 & 2 closed
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Pins 5 & 6 closed
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3.52v
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2.5v
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Pins 3 & 4 closed
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Pins 1 & 2 closed
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| »
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3.52v
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2.8v
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Pins 3 & 4 closed
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Pins 3 & 4 closed
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3.52v
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2.9v
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Pins 3 & 4 closed
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Pins 5 & 6 closed
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