|
CH-471A (VER. 3)
CHICONY, INC.
CH-471A (VER. 3)
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Processor
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CX486S/80486SX/SL80486SX/80486SX2/SL80486SX2/UMCU5S/ CX486DX/AM486DX/80486DX/SL80486DX/CX486DX2/CX486DX2V/ AM486DX2/80486DX2/SL80486DX2/AM486DX4/80486DX4/P24D/ P24T/CXM9
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|
Processor Speed
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20/25/33/40/50(internal)/50/66(internal)/75(internal)/83(internal)/ 100(internal)MHz
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|
Chip Set
|
SIS
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|
Video Chip Set
|
None
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|
Maximum Onboard Memory
|
128MB
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|
Maximum Video Memory
|
None
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Cache
|
32/64/128/256/512/1024KB
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BIOS
|
Award
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|
Dimensions
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254mm x 218mm
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I/O Options
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32-bit VESA local bus slots (3), green PC connectors (2)
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NPU Options
|
None
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CONNECTIONS
|
|
Purpose
|
Location
|
Purpose
|
Location
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Reset switch
|
J3
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Speaker
|
J8
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Green PC connector
|
J4
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External battery
|
JP19
|
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Turbo switch
|
J5
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Green PC connector
|
JP38
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Turbo LED
|
J6
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Green PC connector
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JP39
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Power LED & keylock
|
J7
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32-bit VESA local bus slots
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PC1 - PC3
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USER CONFIGURABLE SETTINGS
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Function
|
Label
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Position
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|
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Clock down control by STOPCLK control (80486DX4)
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JP6
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Pins 1 & 2 closed
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Clock down control by SMOUT0 control (all other CPUs)
|
JP6
|
Pins 2 & 3 closed
|
|
»
|
CMOS memory normal operation
|
JP7
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Pins 1 & 2 closed
|
|
|
CMOS memory clear
|
JP7
|
Pins 2 & 3 closed
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|
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Monitor type select color
|
JP45
|
Closed
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Monitor type select monochrome
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JP45
|
Open
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DRAM CONFIGURATION
|
|
Size
|
Bank 0
|
Bank 1
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Bank 2
|
Bank 3
|
|
1MB
|
(1) 256K x 36
|
None
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None
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None
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2MB
|
(1) 512K x 36
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None
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None
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None
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2MB
|
(1) 256K x 36
|
(1) 256K x 36
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None
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None
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4MB
|
(1) 1M x 36
|
None
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None
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None
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4MB
|
(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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5MB
|
(1) 256K x 36
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(1) 1M x 36
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None
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None
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6MB
|
(1) 256K x 36
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(1) 256K x 36
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(1) 1M x 36
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None
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6MB
|
(1) 512K 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
|
(1) 256K x 36
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(1) 256K x 36
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(1) 512K x 36
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(1) 1M x 36
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|
8MB
|
(1) 512K x 36
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(1) 512K x 36
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(1) 1M x 36
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None
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8MB
|
(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
|
(1) 2M x 36
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None
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None
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None
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10MB
|
(1) 256K x 36
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(1) 256K x 36
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(1) 1M x 36
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(1) 1M x 36
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18MB
|
(1) 256K x 36
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(1) 256K x 36
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(1) 4M x 36
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None
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12MB
|
(1) 512K x 36
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(1) 512K x 36
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(1) 1M x 36
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(1) 1M x 36
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12MB
|
(1) 1M x 36
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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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16MB
|
(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
|
(1) 2M x 36
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(1) 2M x 36
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None
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None
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16MB
|
(1) 4M x 36
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None
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None
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None
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|
17MB
|
(1) 256K x 36
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(1) 4M x 36
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None
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None
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|
18MB
|
(1) 512K x 36
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(1) 4M x 36
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None
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None
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20MB
|
(1) 512K x 36
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(1) 512K x 36
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(1) 4M x 36
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None
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20MB
|
(1) 1M x 36
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(1) 4M x 36
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None
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None
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24MB
|
(1) 512K x 36
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(1) 512K x 36
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(1) 1M x 36
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(1) 4M x 36
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24MB
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(1) 1M x 36
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(1) 1M x 36
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(1) 4M x 36
|
None
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DRAM CONFIGURATION (CON’T)
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|
Size
|
Bank 0
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Bank 1
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Bank 2
|
Bank 3
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24MB
|
(1) 2M x 36
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(1) 2M x 36
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(1) 2M x 36
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None
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32MB
|
(1) 4M x 36
|
(1) 4M x 36
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None
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None
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32MB
|
(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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|
32MB
|
(1) 8M x 36
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None
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None
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None
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36MB
|
(1) 1M x 36
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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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36MB
|
(1) 1M x 36
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(1) 8M x 36
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None
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None
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40MB
|
(1) 1M x 36
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(1) 1M x 36
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(1) 4M x 36
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(1) 4M x 36
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|
40MB
|
(1) 1M x 36
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(1) 1M x 36
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(1) 8M x 36
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None
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48MB
|
(1) 4M x 36
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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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|
48MB
|
(1) 4M 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
|
(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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|
64MB
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(1) 4M x 36
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(1) 4M x 36
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(1) 8M x 36
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None
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64MB
|
(1) 16M x 36
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None
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None
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None
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64MB
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(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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68MB
|
(1) 1M x 36
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(1) 16M x 36
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None
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None
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68MB
|
(1) 1M x 36
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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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72MB
|
(1) 1M x 36
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(1) 1M x 36
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(1) 8M x 36
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(1) 8M x 36
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|
72MB
|
(1) 1M x 36
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(1) 1M x 36
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(1) 16M x 36
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None
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80MB
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(1) 4M x 36
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(1) 16M x 36
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None
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None
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80MB
|
(1) 4M x 36
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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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96MB
|
(1) 4M x 36
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(1) 4M x 36
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(1) 8M x 36
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(1) 8M x 36
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|
96MB
|
(1) 8M x 36
|
(1) 8M x 36
|
(1) 8M x 36
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None
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|
96MB
|
(1) 4M x 36
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(1) 4M x 36
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(1) 16M x 36
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None
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128MB
|
(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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|
128MB
|
(1) 16M x 36
|
(1) 16M x 36
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None
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None
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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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|
32KB
|
(4) 8K x 8
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None
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(1) 8K x 8
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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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(1) 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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(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) 16K x 8
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|
512KB
|
(4) 128K x 8
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None
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(1) 32K x 8
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1MB
|
(4) 128K x 8
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(4) 128K x 8
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(1) 64K x 8
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CACHE JUMPER CONFIGURATION
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|
Size
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JP1
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JP2
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JP3
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JP4
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JP5
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JP14
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JP16
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32KB
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1 & 2, 3 & 4
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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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1 & 2
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1 & 2
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64KB
|
2 & 3, 4 & 5
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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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1 & 2
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128KB
|
1 & 2, 3 & 4
|
2 & 3
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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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2 & 3
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|
256KB
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2 & 3, 4 & 5
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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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1 & 2
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2 & 3
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512KB
|
1 & 2, 3 & 4
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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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2 & 3
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|
1MB
|
2 & 3, 4 & 5
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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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2 & 3
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2 & 3
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Note: Pins designated should be in the closed position.
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CPU SPEED SELECTION
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Speed
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JP8
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JP12
|
JP13
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JP17
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|
20MHz
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Open
|
Open
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Open
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Pins 1 & 2 closed
|
|
25MHz
|
Open
|
Open
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Closed
|
Pins 1 & 2 closed
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|
33MHz
|
Closed
|
Closed
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Closed
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Pins 1 & 2 closed
|
|
40MHz
|
Open
|
Closed
|
Closed
|
Pins 1 & 2 closed
|
|
50iMHz
|
Open
|
Open
|
Closed
|
Pins 1 & 2 closed
|
|
50MHz
|
Closed
|
Open
|
Open
|
Pins 2 & 3 closed
|
|
66iMHz
|
Closed
|
Closed
|
Closed
|
Pins 1 & 2 closed
|
|
75iMHz
|
Open
|
Open
|
Closed
|
Pins 1 & 2 closed
|
|
83iMHz
|
Closed
|
Closed
|
Closed
|
Pins 1 & 2 closed
|
|
100iMHz
|
Closed
|
Closed
|
Closed
|
Pins 1 & 2 closed
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CPU TYPE SELECTION
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|
Type
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JP10
|
JP11
|
JP18
|
|
CX486S
|
2 & 3
|
1 & 2
|
Open
|
|
80486SX
|
1 & 2
|
2 & 3
|
Open
|
|
SL80486SX
|
1 & 2
|
2 & 3
|
Open
|
|
80486SX2
|
1 & 2
|
2 & 3
|
Open
|
|
SL80486SX2
|
1 & 2
|
2 & 3
|
Open
|
|
UMC U5S
|
2 & 3
|
1 & 2
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1 & 2, 3 & 4, 5 & 6
|
|
CX486DX
|
2 & 3
|
1 & 2
|
Open
|
|
AM486DX
|
1 & 2
|
2 & 3
|
Open
|
|
80486DX
|
1 & 2
|
2 & 3
|
Open
|
|
SL80486DX
|
1 & 2
|
2 & 3
|
Open
|
|
CX486DX2
|
2 & 3
|
1 & 2
|
Open
|
|
CX486DX2-V
|
2 & 3
|
1 & 2
|
Open
|
|
AM486DX2
|
1 & 2
|
2 & 3
|
Open
|
|
80486DX2
|
1 & 2
|
2 & 3
|
Open
|
|
SL80486DX2
|
1 & 2
|
2 & 3
|
Open
|
|
AM486DX4
|
1 & 2
|
2 & 3
|
Open
|
|
80486DX4
|
1 & 2
|
2 & 3
|
Open
|
|
P24D
|
1 & 2
|
1 & 2
|
Open
|
|
P24T
|
1 & 2
|
1 & 2
|
Open
|
|
CX M9
|
2 & 3
|
1 & 2
|
Open
|
|
Note: Pins designated should be in the closed position.
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|
CPU TYPE SELECTION (CON’T)
|
|
Type
|
JP20
|
JP25
|
|
CX486S
|
Open
|
Open
|
|
80486SX
|
Open
|
Open
|
|
SL80486SX
|
Open
|
1 & 2, 3 & 4, 9 & 10, 11 & 12
|
|
80486SX2
|
Open
|
Open
|
|
SL80486SX2
|
Open
|
1 & 2, 3 & 4, 9 & 10, 11 & 12
|
|
UMC U5S
|
Open
|
Open
|
|
CX486DX
|
1 & 2
|
Open
|
|
AM486DX
|
1 & 2
|
Open
|
|
80486DX
|
1 & 2
|
Open
|
|
SL80486DX
|
1 & 2
|
1 & 2, 3 & 4, 9 & 10, 11 & 12
|
|
CX486DX2
|
1 & 2
|
Open
|
|
CX486DX2-V
|
1 & 2
|
Open
|
|
AM486DX2
|
1 & 2
|
Open
|
|
80486DX2
|
1 & 2
|
Open
|
|
SL80486DX2
|
1 & 2
|
1 & 2, 3 & 4, 9 & 10, 11 & 12
|
|
AM486DX4
|
1 & 2
|
Open
|
|
80486DX4
|
1 & 2
|
1 & 2, 3 & 4, 9 & 10, 11 & 12
|
|
P24D
|
1 & 2
|
1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10, 11 & 12, 13 & 14, 15 & 16
|
|
P24T
|
1 & 2
|
1 & 2, 3 & 4, 9 & 10
|
|
CX M9
|
1 & 2
|
1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10, 11 & 12, 15 & 16
|
|
Note: Pins designated should be in the closed position.
|
|
CPU TYPE SELECTION (CON’T)
|
|
Type
|
JP37
|
JP41
|
|
CX486S
|
1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10 11 & 12
|
2 & 3
|
|
80486SX
|
Open
|
2 & 3
|
|
SL80486SX
|
Open
|
2 & 3
|
|
80486SX2
|
Open
|
2 & 3
|
|
SL80486SX2
|
Open
|
2 & 3
|
|
UMC U5S
|
Open
|
2 & 3
|
|
CX486DX
|
1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10, 11 & 12
|
1 & 2, 3 & 4
|
|
AM486DX
|
Open
|
1 & 2, 3 & 4
|
|
80486DX
|
Open
|
1 & 2, 3 & 4
|
|
SL80486DX
|
Open
|
1 & 2, 3 & 4
|
|
CX486DX2
|
1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10, 11 & 12
|
1 & 2, 3 & 4
|
|
CX486DX2-V
|
1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10, 11 & 12
|
1 & 2, 3 & 4
|
|
AM486DX2
|
Open
|
1 & 2, 3 & 4
|
|
80486DX2
|
Open
|
1 & 2, 3 & 4
|
|
SL80486DX2
|
Open
|
1 & 2, 3 & 4
|
|
CPU TYPE SELECTION (CON’T)
|
|
Type
|
JP37
|
JP41
|
|
AM486DX4
|
Open
|
1 & 2, 3 & 4
|
|
80486DX4
|
Open
|
1 & 2, 3 & 4
|
|
P24D
|
Open
|
1 & 2, 3 & 4
|
|
P24T
|
Open
|
1 & 2, 3 & 4
|
|
CX M9
|
5 & 6
|
1 & 2, 3 & 4
|
|
Note: Pins designated should be in the closed position.
|
|
CPU MULTIPLIER SELECTION (DX4 & CX M9 ONLY)
|
|
Multiplier
|
JP21
|
|
2x
|
Pins 2 & 3 closed
|
|
2.5x
|
Pins 1 & 2 closed
|
|
3x
|
Open
|
|
CPU VOLTAGE SELECTION
|
|
Voltage
|
JP26
|
JP32
|
|
3.15v
|
Pins 1 & 2 closed
|
Pins 1 & 2, 4 & 5, 7 & 8 closed
|
|
3.3v
|
Pins 3 & 4 closed
|
Pins 1 & 2, 4 & 5, 7 & 8 closed
|
|
3.45v
|
Pins 5 & 6 closed
|
Pins 1 & 2, 4 & 5, 7 & 8 closed
|
|
3.6v
|
Pins 7 & 8 closed
|
Pins 1 & 2, 4 & 5, 7 & 8 closed
|
|
4v
|
Pins 9 & 10 closed
|
Pins 1 & 2, 4 & 5, 7 & 8 closed
|
|
5v
|
N/A
|
Pins 2 & 3, 5 & 6, 8 & 9 closed
|
|
VL BUS WAIT STATE SELECTION
|
|
Setting
|
JP44
|
|
0
|
Pins 1 & 2 closed
|
|
1
|
Pins 2 & 3 closed
|
|
VL BUS SPEED SELECTION
|
|
Speed
|
JP47
|
|
<= 33MHz
|
Pins 1 & 2 closed
|
|
>33 MHz
|
Pins 2 & 3 closed
|
|