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G486-EVB (REV. B)
DIAMOND FLOWER, INC.
G486-EVB (REV. B)
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Processor
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CX486SX/80486(WB)/80486SX/SL80486SX/CX486DX/80486DX/ AM486DX/AM486DXL/SL80486DX/CX486DX2V/CX486DX2/ AM486DX2/AM486DXL2/80486DX2/SL80486DX2/AM486DX4/ 80486DX4/P24T
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Processor Speed
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25/33/40/50(internal)/66(internal)/75(internal)/80(internal)/ 100(internal)MHz
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Chip Set
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Unidentified
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Video Chip Set
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None
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Maximum Onboard Memory
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64MB
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Maximum Video Memory
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None
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Cache
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128/256/512KB
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BIOS
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Unidentified
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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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Green PC LED
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D6
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Green PC connector
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JP44
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External battery
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JP2
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Reset switch
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JP45
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Power LED & keylock
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JP40
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32-bit VESA local bus slots
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SL1 – SL3
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Speaker
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JP41
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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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BIOS type select 28F010
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JP1
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Closed
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BIOS type select 27512
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JP1
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Open
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»
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Factory configured - do not alter
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JP5
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Unidentified
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Battery type select internal
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JP8
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Pins 2 & 3 closed
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Battery type select external
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JP8
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Pins 1 & 2 closed
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»
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Factory configured - do not alter
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JP14
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Closed
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»
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Factory configured - do not alter
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JP31
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Unidentified
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»
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Factory configured - do not alter
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JP43
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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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2MB
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(1) 512K 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) 256K x 36
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(1) 256K x 36
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(1) 256K x 36
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(1) 256K x 36
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4MB
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(1) 512K x 36
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None
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(1) 512K x 36
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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) 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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16MB
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(1) 2M x 36
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None
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(1) 2M x 36
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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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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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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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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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128KB
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(4) 32K x 8
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None
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(1) 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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(1) 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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(1) 32K x 8
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CACHE JUMPER CONFIGURATION
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Size
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JP19
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JP20
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JP21
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JP25
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JP26
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JP27
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128KB
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Open
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2 & 3
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2 & 3
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Closed
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Closed
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Open
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256KB
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Open
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1 & 2
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1 & 2
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Closed
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Closed
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Closed
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512KB
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Closed
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2 & 3
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1 & 2
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Closed
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Closed
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Closed
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Note: Pins designated should be in the closed position.
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CPU TYPE SELECTION
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Type
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JP15
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JP16
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JP17
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JP18
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JP22
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CX486SX(WB)
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Closed
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Closed
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2 & 3
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2 & 3
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2 & 3
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CX486SX(WT)
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Closed
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Closed
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1 & 2
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1 & 2
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2 & 3
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80486 (WB 3.3v)
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Open
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Closed
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2 & 3
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2 & 3
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1 & 2, 3 & 4
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80486 (WB 5v)
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Open
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Closed
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2 & 3
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2 & 3
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1 & 2, 3 & 4
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80486SX
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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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Open
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SL80486SX
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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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1 & 2
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CX486DX(WB)
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Closed
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Closed
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2 & 3
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2 & 3
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2 & 3
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CX486DX(WT)
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Closed
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Closed
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1 & 2
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1 & 2
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2 & 3
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80486DX
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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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Open
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AM486DX
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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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Open
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AM486DXL
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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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Open
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SL80486DX
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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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1 & 2
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CX486DX2V-50(WB)
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Closed
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Closed
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2 & 3
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2 & 3
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2 & 3
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CX486DX2V-50(WT)
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Closed
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Closed
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1 & 2
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1 & 2
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2 & 3
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CX486DX2(WB)
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Closed
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Closed
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2 & 3
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2 & 3
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2 & 3
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CX486DX2(WT)
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Closed
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Closed
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1 & 2
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1 & 2
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2 & 3
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AM486DX2
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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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Open
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AM486DX2 (NV8T)
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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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Open
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AM486DXL2
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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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Open
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80486DX2
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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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Open
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SL80486DX2
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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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1 & 2
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AM486DX4 (NV8T)
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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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Open
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80486DX4
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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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1 & 2
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P24T(WB)
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Open
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Closed
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2 & 3
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2 & 3
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1 & 2
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P24T(WT)
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Open
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Closed
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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 TYPE SELECTION (CON’T)
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Type
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JP23
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JP24
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JP28
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JP29
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JP30
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CX486SX(WB)
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2 & 3
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2 & 3, 4 & 5
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2 & 3
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Open
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Open
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CX486SX(WT)
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2 & 3
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2 & 3
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2 & 3
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Open
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Open
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80486 (WB 3.3v)
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1 & 2, 3 & 4
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1 & 2, 3 & 4
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1 & 2
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2 & 3
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Closed
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80486 (WB 5v)
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1 & 2, 3 & 4
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1 & 2, 3 & 4
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1 & 2
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2 & 3
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Closed
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80486SX
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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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Open
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SL80486SX
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1 & 2
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1 & 2
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2 & 3
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Open
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Open
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CX486DX(WB)
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2 & 3
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2 & 3, 4 & 5
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1 & 2
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2 & 3
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Closed
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CX486DX(WT)
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2 & 3
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2 & 3
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1 & 2
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2 & 3
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Closed
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80486DX
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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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Closed
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AM486DX
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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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Closed
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AM486DXL
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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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Closed
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SL80486DX
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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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Closed
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CX486DX2V(WB)
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2 & 3
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2 & 3, 4 & 5
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1 & 2
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2 & 3
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Closed
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CX486DX2V(WT)
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2 & 3
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2 & 3
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1 & 2
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2 & 3
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Closed
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CX486DX2(WB)
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2 & 3
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2 & 3, 4 & 5
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1 & 2
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2 & 3
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Closed
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CX486DX2(WT)
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2 & 3
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2 & 3
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1 & 2
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2 & 3
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Closed
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AM486DX2
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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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Closed
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AM486DX2 (NV8T)
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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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Closed
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AM486DXL2
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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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Closed
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80486DX2
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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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Closed
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SL80486DX2
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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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Closed
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AM486DX4 (NV8T)
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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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Closed
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80486DX4
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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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Closed
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P24T(WB)
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1 & 2, 3 & 4
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1 & 2
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1 & 2
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1 & 2
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Closed
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P24T(WT)
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1 & 2, 3 & 4
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1 & 2
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1 & 2
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1 & 2
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Closed
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Note: Pins designated should be in the closed position.
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CPU TYPE SELECTION (CON’T)
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Type
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JP32
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JP33
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JP34
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JP36
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CX486SX(WB)
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2 & 3, 4 & 5
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1 & 2, 3 & 4
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Open
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Open
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CX486SX(WT)
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Open
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1 & 2, 3 & 4
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Open
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Open
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80486 (WB 3.3v)
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1 & 2
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5 & 6, 7 & 8
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Open
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Open
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80486 (WB 5v)
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1 & 2
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1 & 2, 3 & 4
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Open
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Open
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80486SX
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Open
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1 & 2, 3 & 4
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Open
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Open
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SL80486SX
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Open
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1 & 2, 3 & 4
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Open
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Open
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CX486DX(WB)
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2 & 3, 4 & 5
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1 & 2, 3 & 4
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Open
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Open
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CX486DX(WT)
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Open
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1 & 2, 3 & 4
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Open
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Open
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80486DX
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Open
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1 & 2, 3 & 4
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Open
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Open
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AM486DX
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Open
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1 & 2, 3 & 4
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Open
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Open
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AM486DXL
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Open
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1 & 2, 3 & 4
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Open
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1 & 2, 3 & 4
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SL80486DX
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Open
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1 & 2, 3 & 4
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Open
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Open
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CX486DX2V(WB)
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2 & 3, 4 & 5
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5 & 6, 7 & 8
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Open
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Open
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CX486DX2V(WT)
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Open
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5 & 6, 7 & 8
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Open
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Open
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CX486DX2(WB)
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2 & 3, 4 & 5
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1 & 2, 3 & 4
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Open
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Open
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CX486DX2(WT)
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Open
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1 & 2, 3 & 4
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Open
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Open
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AM486DX2
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Open
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1 & 2, 3 & 4
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Open
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Open
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AM486DX2 (NV8T)
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Open
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5 & 6, 7 & 8
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7 & 8
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Open
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AM486DXL2
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Open
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1 & 2, 3 & 4
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Open
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1 & 2, 3 & 4
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80486DX2
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Open
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1 & 2, 3 & 4
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Open
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Open
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SL80486DX2
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Open
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1 & 2, 3 & 4
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Open
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Open
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AM486DX4 (NV8T)
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Open
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5 & 6, 7 & 8
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5 & 6
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Open
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80486DX4
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Open
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5 & 6, 7 & 8
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Open
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Open
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P24T(WB)
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1 & 2
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1 & 2, 3 & 4
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Open
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Open
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P24T(WT)
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Open
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1 & 2, 3 & 4
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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 SPEED SELECTION
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Speed
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S1
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S2
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S3
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25MHz
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Closed
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Open
|
Open
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33MHz
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Closed
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Closed
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Closed
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40MHz
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Closed
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Closed
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Open
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50iMHz
|
Closed
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Open
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Open
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66iMHz
|
Closed
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Closed
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Closed
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75iMHz
|
Closed
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Open
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Open
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80iMHz
|
Closed
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Closed
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Open
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100iMHz
|
Closed
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Closed
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Closed
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CPU TYPE SELECTION
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Type
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JP35
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Non SL-enhanced
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Closed
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SL-enhanced
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Open
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VL BUS WAIT STATE SELECTION
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Setting
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JP41
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0
|
Open
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1
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Closed
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VL BUS SPEED SELECTION
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Speed
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JP42
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<= 33MHz
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Open
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>33 MHz
|
Closed
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