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VS48664-3VL
YOUNG MICRO SYSTEMS, INC.
VS48664-3VL
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Processor
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CXM6/AM486SX/SL80486/80486SX/CXM7/AM486DX/80486DX/80486DX2/ P24C/P24D/Pentium Overdrive
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Processor Speed
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25/33/40/50(internal)/50/66(internal)MHz
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Chip Set
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Symphony
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Max. Onboard DRAM
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128MB
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Cache
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64/128/256/512/1024KB
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BIOS
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AMI/Phoenix
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Dimensions
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330mm x 218mm
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I/O Options
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32-bit VESA local bus slots (3), green PC 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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Power LED & keylock
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CN1
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Turbo LED
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CN5
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Speaker
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CN2
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Green PC connector
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JP15
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Turbo switch
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CN3
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32-bit VESA local bus slots
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SL1 - SL3
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Reset switch
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CN4
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USER CONFIGURABLE SETTINGS
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Function
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Jumper
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Position
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»
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Factory configured - do not alter
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J27
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N/A
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»
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Factory configured - do not alter
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J28
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N/A
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»
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Factory configured - do not alter
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J29
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N/A
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»
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Factory configured - do not alter
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J30
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N/A
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»
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Factory configured - do not alter
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J31
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N/A
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»
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Factory configured - do not alter
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J32
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N/A
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»
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Factory configured - do not alter
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J33
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N/A
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»
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Factory configured - do not alter
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J34
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N/A
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»
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Factory configured - do not alter
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JP3
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N/A
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»
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Factory configured - do not alter
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JP9
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N/A
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»
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Parity check enabled
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JP16
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pins 1 & 2 closed
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Parity check disabled
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JP16
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pins 2 & 3 closed
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»
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Monitor type select color
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JP17
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Closed
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Monitor type select monochrome
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JP17
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Open
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»
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BIOS type select normal
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JP18
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pins 1 & 2 closed
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BIOS type select flash
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JP18
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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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JP19
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N/A
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»
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Factory configured - do not alter
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JP22
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N/A
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»
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Factory configured - do not alter
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JP28
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N/A
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»
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Factory configured - do not alter
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JP29
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N/A
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»
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Factory configured - do not alter
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JP30
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N/A
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»
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Factory configured - do not alter
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JP31
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N/A
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Note: The location of jumpers JP9, JP28, JP29, JP30 & JP31 are unidentified.
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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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Bank 3
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1MB
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(1) 256K x 36
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NONE
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NONE
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NONE
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4MB
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(1) 512K x 36
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(1) 512K x 36
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NONE
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NONE
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4MB
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(1) 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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(1) 1M x 36
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(1) 1M x 36
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NONE
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NONE
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8MB
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(1) 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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(1) 4M 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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(1) 1M x 36
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(1) 1M x 36
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(1) 1M x 36
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(1) 1M x 36
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32MB
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(1) 4M x 36
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(1) 4M x 36
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NONE
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NONE
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32MB
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(1) 2M x 36
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(1) 2M x 36
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(1) 2M x 36
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(1) 2M x 36
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64MB
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(1) 8M x 36
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(1) 8M x 36
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NONE
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NONE
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64MB
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(1) 4M x 36
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(1) 4M x 36
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(1) 4M x 36
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(1) 4M x 36
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96MB
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(1) 8M x 36
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(1) 8M x 36
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(1) 4M x 36
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(1) 4M x 36
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128MB
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(1) 8M x 36
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(1) 8M x 36
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(1) 8M x 36
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(1) 8M x 36
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CACHE CONFIGURATION
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Size
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Bank 0
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Bank 1
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TAG
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64KB
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(4) 8K x 8
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(4) 8K x 8
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(2) 8K x 8
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128KB
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(4) 32K x 8
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NONE
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(2) 8K x 8
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256KB
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(4) 32K x 8
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(4) 32K x 8
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(2) 32K x 8
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512KB
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(4) 128K x 8
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NONE
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(2) 32K x 8
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1MB
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(4) 128K x 8
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(4) 128K x 8
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(2) 128K x 8
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CACHE JUMPER CONFIGURATION
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Size
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JD1
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JD2
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JT1
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JT2
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JT3
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64KB
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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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1 & 2
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128KB
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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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1 & 2
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256KB
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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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1 & 2
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512KB
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1 & 2
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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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1MB
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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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2 & 3
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Note: Pins designated should be in the closed position.
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CPU TYPE CONFIGURATION
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Type
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JP1
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JP2
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JP4
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JP5
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JP6
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CXM6 1x
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Open
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Open
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Open
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2 & 3
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Closed
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CXM6 2x
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Open
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Open
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Open
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2 & 3
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Closed
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AM486SX (WT)
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Open
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Closed
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Open
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2 & 3
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Closed
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AM486SX (WB)
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Closed
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Closed
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Open
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2 & 3
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Closed
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SL80486
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Open
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Closed
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Open
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1 & 2
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Closed
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80486SX
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Open
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Open
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Open
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2 & 3
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Closed
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AM486DX (WT)
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Open
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Closed
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Open
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2 & 3
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Closed
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AM486DX (WB)
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Closed
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Closed
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Closed
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2 & 3
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Closed
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CXM7 1x
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Open
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Open
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Open
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1 & 2
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Closed
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CXM7 2x
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Open
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Open
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Open
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1 & 2
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Closed
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80486DX
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Open
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Open
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Open
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1 & 2
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Closed
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80486DX2
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Open
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Open
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Open
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1 & 2
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Closed
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P24C 2x
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Open
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Closed
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Open
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1 & 2
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Closed
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P24C 3x
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Open
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Closed
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Open
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1 & 2
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Closed
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P24D (WT)
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Open
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Closed
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Open
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1 & 2
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Closed
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P24D (WB)
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Closed
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Closed
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Closed
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1 & 2
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Closed
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P24T 2x (WT)
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Open
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Closed
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Open
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1 & 2
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Open
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P24T 2x (WB)
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Closed
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Closed
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Closed
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1 & 2
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Open
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P24T 3x (WT)
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Open
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Closed
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Open
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1 & 2
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Open
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P24T 3x (WB)
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Closed
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Closed
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Closed
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1 & 2
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Open
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Note: Pins designated should be in the closed position.
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CPU TYPE CONFIGURATION (CON’T)
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Type
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JP7
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JP8
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JP10
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JP11
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JP12
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CXM6 1x
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1 & 2
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Closed
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Open
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Open
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Open
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CXM6 2x
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1 & 2
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Closed
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Open
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Open
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Closed
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AM486SX (WT)
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Open
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Open
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Open
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Open
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Open
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AM486SX (WB)
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Open
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Open
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Open
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Open
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Open
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SL80486
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Open
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Open
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Open
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1 & 2
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Open
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80486SX
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Open
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Open
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Open
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Open
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Open
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AM486DX (WT)
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Open
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Open
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Open
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1 & 2
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Open
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AM486DX (WB)
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Open
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Open
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Open
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1 & 2
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Open
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CXM7 1x
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1 & 2
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Closed
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Open
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1 & 2
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Open
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CXM7 2x
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1 & 2
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Closed
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Open
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1 & 2
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Closed
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80486DX
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Open
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Open
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Open
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1 & 2
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Open
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80486DX2
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Open
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Open
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Open
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1 & 2
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Open
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P24C 2x
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Open
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Open
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1 & 2
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2 & 3
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Open
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P24C 3x
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Open
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Open
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Open
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2 & 3
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Open
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P24D (WT)
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2 & 3
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Open
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Open
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1 & 2
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Open
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P24D (WB)
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2 & 3
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Open
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Open
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1 & 2
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Open
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P24T 2x (WT)
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Open
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Open
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1 & 2
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2 & 3
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Open
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P24T 2x (WB)
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Open
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Open
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1 & 2
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2 & 3
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Open
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P24T 3x (WT)
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Open
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Open
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Open
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2 & 3
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Open
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P24T 3x (WB)
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Open
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Open
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Open
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2 & 3
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Open
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Note: Pins designated should be in the closed position.
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CPU TYPE CONFIGURATION (CON’T)
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Type
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JP13
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JP23
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JP24
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JP41
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JP42
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CXM6 1x
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Closed
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Closed
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Closed
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Open
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Open
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CXM6 2x
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Closed
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Closed
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Closed
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Open
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Open
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AM486SX (WT)
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Open
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Open
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Open
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2 & 3
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2 & 3
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AM486SX (WB)
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Open
|
Open
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Open
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2 & 3
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2 & 3
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SL80486
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Open
|
Open
|
Open
|
Open
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Open
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80486SX
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Open
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Closed
|
Closed
|
Open
|
Open
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AM486DX (WT)
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Open
|
Open
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Open
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2 & 3
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2 & 3
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AM486DX (WB)
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Open
|
Open
|
Open
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2 & 3
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2 & 3
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CXM7 1x
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Closed
|
Closed
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Closed
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Open
|
Open
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CXM7 2x
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Closed
|
Closed
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Closed
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Open
|
Open
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80486DX
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Open
|
Closed
|
Closed
|
Open
|
Open
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80486DX2
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Open
|
Closed
|
Closed
|
Open
|
Open
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P24C 2x
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Open
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Open
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Open
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Open
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Open
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P24C 3x
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Open
|
Open
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Open
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Open
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Open
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P24D (WT)
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Open
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Open
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Open
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1 & 2
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1 & 2
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P24D (WB)
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Open
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Open
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Open
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1 & 2
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1 & 2
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P24T 2x (WT)
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Open
|
Open
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Open
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Open
|
Open
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P24T 2x (WB)
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Open
|
Open
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Open
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Open
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Open
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P24T 3x (WT)
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Open
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Open
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Open
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Open
|
Open
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P24T 3x (WB)
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Open
|
Open
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Open
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Open
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Open
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Note: Pins designated should be in the closed position.
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CPU TYPE CONFIGURATION (CON’T)
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Type
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RN1
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RN2
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CXM6 1x
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Open
|
Open
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CXM6 2x
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Open
|
Open
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AM486SX (WT)
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Open
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1 & 2, 3 & 4, 5 & 6, 7 & 8
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AM486SX (WB)
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Open
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1 & 2, 3 & 4, 5 & 6, 7 & 8
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SL80486
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1 & 2, 3 & 4, 5 & 6, 7 & 8
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1 & 2, 3 & 4, 5 & 6, 7 & 8
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80486SX
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Open
|
Open
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AM486DX (WT)
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1 & 2, 3 & 4, 5 & 6, 7 & 8
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1 & 2, 3 & 4, 5 & 6, 7 & 8
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AM486DX (WB)
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1 & 2, 3 & 4, 5 & 6, 7 & 8
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1 & 2, 3 & 4, 5 & 6, 7 & 8
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CXM7 1x
|
1 & 2, 3 & 4, 5 & 6, 7 & 8
|
Open
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CXM7 2x
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1 & 2, 3 & 4, 5 & 6, 7 & 8
|
Open
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80486DX
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1 & 2, 3 & 4, 5 & 6, 7 & 8
|
Open
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80486DX2
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1 & 2, 3 & 4, 5 & 6, 7 & 8
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Open
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P24C 2x
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1 & 2, 3 & 4, 5 & 6, 7 & 8
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1 & 2, 3 & 4, 5 & 6, 7 & 8
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P24C 3x
|
1 & 2, 3 & 4, 5 & 6, 7 & 8
|
1 & 2, 3 & 4, 5 & 6, 7 & 8
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P24D (WT)
|
1 & 2, 3 & 4, 5 & 6, 7 & 8
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1 & 2, 3 & 4, 5 & 6, 7 & 8
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P24D (WB)
|
1 & 2, 3 & 4, 5 & 6, 7 & 8
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1 & 2, 3 & 4, 5 & 6, 7 & 8
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P24T 2x (WT)
|
1 & 2, 3 & 4, 5 & 6, 7 & 8
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1 & 2, 3 & 4, 5 & 6, 7 & 8
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P24T 2x (WB)
|
1 & 2, 3 & 4, 5 & 6, 7 & 8
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1 & 2, 3 & 4, 5 & 6, 7 & 8
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P24T 3x (WT)
|
1 & 2, 3 & 4, 5 & 6, 7 & 8
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1 & 2, 3 & 4, 5 & 6, 7 & 8
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P24T 3x (WB)
|
1 & 2, 3 & 4, 5 & 6, 7 & 8
|
1 & 2, 3 & 4, 5 & 6, 7 & 8
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Note: Pins designated should be in the closed position.
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CPU SPEED CONFIGURATION
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|
Speed
|
JP25
|
JP26
|
JP27
|
|
25MHz
|
Closed
|
Open
|
Closed
|
|
33MHZ
|
Open
|
Open
|
Closed
|
|
40MHz
|
Closed
|
Closed
|
Open
|
|
50iMHz
|
Closed
|
Open
|
Closed
|
|
50MHz
|
Open
|
Closed
|
Open
|
|
66iMHz
|
Open
|
Open
|
Closed
|
|
CPU VOLTAGE CONFIGURATION
|
|
Voltage
|
CN6
|
|
3.3v
|
Open
|
|
5v
|
pins 1 & 2, 3 & 4, 5 & 6 closed
|
|
VESA WAIT STATE CONFIGURATION
|
|
Wait states
|
JP20
|
|
0 wait states
|
pins 1 & 2 closed
|
|
1 wait state
|
pins 2 & 3 closed
|
|
BUS SPEED CONFIGURATION
|
|
CPU speed
|
JP21
|
|
<= 33MHz
|
pins 1 & 2 closed
|
|
> 33MHz
|
pins 2 & 3 closed
|
|