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ACHI-156
ACHITEC CORPORATION, LTD.
ACHI-156
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Device Type
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Mainboard
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Processor
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CX 6X86/IBM 6X86/CX 686MX/IBM 6X86MX/IDT/AM K5/
AM K6/Pentium
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|
Processor Speed
|
120/133/150/166/180/200/233/266/300/333MHz
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|
Chip Set
|
VIA
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|
Video Chip Set
|
None
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Maximum Onboard Memory
|
1GB (EDO & SDRAM supported)
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Maximum Video Memory
|
None
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Cache
|
512KB
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BIOS
|
Award
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Dimensions
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220mm x 220mm
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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 interface, serial ports (2), IR connector, USB connector, ATX power connector, AGP slot
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NPU Options
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None
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CONNECTIONS
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|
Purpose
|
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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IDE interface LED
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J14
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ATX power connector
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ATX
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Soft off power supply
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J15
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Serial port
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CN1
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Reset switch
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J16
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Serial port
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CN2
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Green PC LED
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J17
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Parallel port
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CN3
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Turbo switch
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J18
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Floppy drive interface
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CN4
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Power LED & keylock
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J19
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IDE interface
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CN5
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Speaker
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J20
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IDE interface
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CN6
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32-bit PCI slots
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PC1 - PC3
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PS/2 mouse interface
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CN7
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USB connector
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USB
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IR connector
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J3
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|
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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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Factory configured - do not alter
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C1
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Unidentified
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»
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Factory configured - do not alter
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C2
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Unidentified
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|
»
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Factory configured - do not alter
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C3
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Unidentified
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»
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Factory configured - do not alter
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C4
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Unidentified
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Power supply select AT
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J11
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Pins 1 & 2 closed
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Power supply select ATX
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J11
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Pins 2 & 3 closed
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»
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CMOS memory normal operation
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J12
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Pins 1 & 2 closed
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CMOS memory clear
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J12
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Pins 2 & 3 closed
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SIMM CONFIGURATION
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Size
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Bank 0
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8MB
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(2) 1M x 36
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16MB
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(2) 2M x 36
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32MB
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(2) 4M x 36
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64MB
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(2) 8M x 36
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128MB
|
(2) 16M x 36
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256MB
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(2) 32M x 36
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512MB
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(2) 64M x 36
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Note: Board accepts EDO memory.
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DIMM CONFIGURATION
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Size
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Bank 0
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Bank 1
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8MB
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(1) 1M x 64
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None
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16MB
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(1) 2M x 64
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None
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16MB
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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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(1) 2M x 64
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(1) 1M x 64
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32MB
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(1) 4M x 64
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None
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32MB
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(1) 2M x 64
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(1) 2M x 64
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40MB
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(1) 4M x 64
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(1) 1M x 64
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48MB
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(1) 4M x 64
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(1) 2M x 64
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64MB
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(1) 8M x 64
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None
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64MB
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(1) 4M x 64
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(1) 4M x 64
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72MB
|
(1) 8M x 64
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(1) 1M x 64
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80MB
|
(1) 8M x 64
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(1) 2M x 64
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96MB
|
(1) 8M x 64
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(1) 4M x 64
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128MB
|
(1) 16M x 64
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None
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128MB
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(1) 8M x 64
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(1) 8M x 64
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136MB
|
(1) 16M x 64
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(1) 1M x 64
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144MB
|
(1) 16M x 64
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(1) 2M x 64
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|
160MB
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(1) 16M x 64
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(1) 4M x 64
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192MB
|
(1) 16M x 64
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(1) 8M x 64
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256MB
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(1) 32M x 64
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None
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256MB
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(1) 16M x 64
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(1) 16M x 64
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264MB
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(1) 32M x 64
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(1) 1M x 64
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272MB
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(1) 32M x 64
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(1) 2M x 64
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288MB
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(1) 32M x 64
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(1) 4M x 64
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320MB
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(1) 32M x 64
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(1) 8M x 64
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384MB
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(1) 32M x 64
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(1) 16M x 64
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512MB
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(1) 32M x 64
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(1) 32M x 64
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512MB
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(1) 64M x 64
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None
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520MB
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(1) 64M x 64
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(1) 1M x 64
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528MB
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(1) 64M x 64
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(1) 2M x 64
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544MB
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(1) 64M x 64
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(1) 4M x 64
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576MB
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(1) 64M x 64
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(1) 8M x 64
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640MB
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(1) 64M x 64
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(1) 16M x 64
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768MB
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(1) 64M x 64
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(1) 32M x 64
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1024MB
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(1) 64M x 64
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(1) 64M x 64
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Note: Board accepts SDRAM memory.
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DIMM VOLTAGE CONFIGURATION
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Voltage
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J6
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J7
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3.3v
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Pins 2 & 3 closed
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Pins 2 & 3 closed
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5v
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Pins 1 & 2 closed
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Pins 1 & 2 closed
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CACHE CONFIGURATION
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Size
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Bank 0
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512KB
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(1) 64K x 64
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CPU SPEED SELECTION (CX 6X86)
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CPU speed
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Clock speed
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Multiplier
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S1/1
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S1/2
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S1/3
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S1/4
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S1/5
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S1/6
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|
150MHz
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60MHz
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2x
|
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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On
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166MHz
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66MHz
|
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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On
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166MHz
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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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Off
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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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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 (IBM 6X86)
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CPU speed
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Clock speed
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Multiplier
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S1/1
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S1/2
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S1/3
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S1/4
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S1/5
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S1/6
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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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Off
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On
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On
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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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On
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Off
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On
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166MHz
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60MHz
|
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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On
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On
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200MHz
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75MHz
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2x
|
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 (CX 6X86MX)
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|
CPU speed
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Clock speed
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Multiplier
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S1/1
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S1/2
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S1/3
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S1/4
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S1/5
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S1/6
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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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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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233MHz
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66MHz
|
3x
|
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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On
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266MHz
|
75MHz
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3x
|
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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266MHz
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66MHz
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3.5x
|
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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On
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CPU SPEED SELECTION (IBM 6X86MX)
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CPU speed
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Clock speed
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Multiplier
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S1/1
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S1/2
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S1/3
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S1/4
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S1/5
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S1/6
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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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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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233MHz
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66MHz
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3x
|
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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On
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266MHz
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75MHz
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3x
|
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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266MHz
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66MHz
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3.5x
|
Off
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Off
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Off
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On
|
Off
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On
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CPU SPEED SELECTION (IDT)
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CPU speed
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Clock speed
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Multiplier
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S1/1
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S1/2
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S1/3
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S1/4
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S1/5
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S1/6
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180MHz
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60MHz
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3x
|
Off
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On
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Off
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Off
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On
|
On
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200MHz
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66MHz
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3x
|
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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On
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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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S1/1
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S1/2
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S1/3
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S1/4
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S1/5
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S1/6
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120MHz
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60MHz
|
2x
|
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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On
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133MHz
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66MHz
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2x
|
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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On
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150MHz
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60MHz
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2.5x
|
On
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On
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Off
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Off
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On
|
On
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166MHz
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66MHz
|
2.5x
|
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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On
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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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S1/1
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S1/2
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S1/3
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S1/4
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S1/5
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S1/6
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|
166MHz
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66MHz
|
2.5x
|
On
|
On
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Off
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On
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Off
|
On
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180MHz
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60MHz
|
3x
|
Off
|
On
|
Off
|
Off
|
On
|
On
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200MHz
|
66MHz
|
3x
|
Off
|
On
|
Off
|
On
|
Off
|
On
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233MHz
|
66MHz
|
3.5x
|
Off
|
Off
|
Off
|
On
|
Off
|
On
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266MHz
|
66MHz
|
4x
|
On
|
On
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On
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On
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Off
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On
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300MHz
|
66MHz
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4.5x
|
On
|
On
|
On
|
On
|
Off
|
On
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333MHz
|
66MHz
|
5x
|
Off
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On
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On
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On
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Off
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On
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CPU SPEED SELECTION (INTEL)
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CPU speed
|
Clock speed
|
Multiplier
|
S1/1
|
S1/2
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S1/3
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S1/4
|
S1/5
|
S1/6
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|
120MHz
|
60MHz
|
2x
|
On
|
Off
|
Off
|
Off
|
On
|
On
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|
133MHz
|
66MHz
|
2x
|
On
|
Off
|
Off
|
On
|
Off
|
On
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|
150MHz
|
60MHz
|
2.5x
|
On
|
On
|
Off
|
Off
|
On
|
On
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|
166MHz
|
66MHz
|
2.5x
|
On
|
On
|
Off
|
On
|
Off
|
On
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|
180MHz
|
60MHz
|
3x
|
Off
|
On
|
Off
|
Off
|
On
|
On
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|
200MHz
|
66MHz
|
3x
|
Off
|
On
|
Off
|
On
|
Off
|
On
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CPU SPEED SELECTION (INTEL MMX)
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|
CPU speed
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Clock speed
|
Multiplier
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S1/1
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S1/2
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S1/3
|
S1/4
|
S1/5
|
S1/6
|
|
180MHz
|
60MHz
|
3x
|
Off
|
On
|
Off
|
Off
|
On
|
On
|
|
200MHz
|
66MHz
|
3x
|
Off
|
On
|
Off
|
On
|
Off
|
On
|
|
233MHz
|
66MHz
|
3.5x
|
Off
|
Off
|
Off
|
On
|
Off
|
On
|
|
266MHz
|
66MHz
|
4x
|
On
|
On
|
On
|
On
|
Off
|
On
|
|
300MHz
|
66MHz
|
4.5x
|
On
|
On
|
On
|
On
|
Off
|
On
|
|
333MHz
|
66MHz
|
5x
|
Off
|
On
|
On
|
On
|
Off
|
On
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CPU VOLTAGE SELECTION
|
|
Voltage
|
SW1/1
|
SW1/2
|
SW1/3
|
SW1/4
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|
2.0
|
Off
|
Off
|
Off
|
Off
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|
2.1
|
On
|
Off
|
Off
|
Off
|
|
2.2
|
Off
|
On
|
Off
|
Off
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|
2.3
|
On
|
On
|
Off
|
Off
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|
2.4
|
Off
|
Off
|
On
|
Off
|
|
2.5
|
On
|
Off
|
On
|
Off
|
|
2.6
|
Off
|
On
|
On
|
Off
|
|
2.7
|
On
|
On
|
On
|
Off
|
|
2.8
|
Off
|
Off
|
Off
|
On
|
|
2.9
|
On
|
Off
|
Off
|
On
|
|
3.0
|
Off
|
On
|
Off
|
On
|
|
3.1
|
On
|
On
|
Off
|
On
|
|
3.2
|
Off
|
Off
|
On
|
On
|
|
3.3
|
On
|
Off
|
On
|
On
|
|
3.4
|
Off
|
On
|
On
|
On
|
|
3.5
|
On
|
On
|
On
|
On
|
|