YOUNG MICRO SYSTEMS, INC.
VS3486F (REV. 2.0)
|
Processor |
80386DX/80486SX/80487SX/CX486DLC/80486DX/80486DX2 |
|
Processor Speed |
25/33/50(internal)/50/66(internal)MHz |
|
Chip Set |
Symphony |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
32MB |
|
Maximum Video Memory |
None |
|
Cache |
64/256KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
80387DX/4167 |
|
CONNECTIONS |
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|
Purpose |
Location |
Purpose |
Location |
|
Turbo switch |
J1 |
Power LED & keylock |
J4 |
|
Turbo LED |
J2 |
Speaker |
J5 |
|
Reset switch |
J3 |
|
|
|
USER CONFIGURABLE SETTINGS |
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|
Function |
Label |
Position |
|
|
» |
Factory configured - do not alter |
JP1 |
Unidentified |
|
DRAM CONFIGURATION |
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|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(4) 256K x 9 |
None |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
|
4MB |
(4) 1M x 9 |
None |
|
5MB |
(4) 1M x 9 |
(4) 256K x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
None |
|
17MB |
(4) 4M x 9 |
(4) 256K x 9 |
|
20MB |
(4) 4M x 9 |
(4) 1M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
CACHE CONFIGURATION |
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|
Size |
Bank 0 |
Bank 1 |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
|
Note: The location of banks 0 & 1 are unidentified. |
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|
CACHE JUMPER CONFIGURATION |
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|
Size |
JP26 |
JP27 |
JP31 |
|
64KB |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
256KB |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
CPU TYPE SELECTION |
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|
Type |
JP24 |
JP25 |
JP28 |
JP32 |
|
80368DX |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
CX486DLC |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
80486SX |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
|
80486DX-25/33 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
|
80486DX-50 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
80486DX2 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
|
Note: Pins designated should be in the closed position. |
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|
CPU TYPE SELECTION |
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|
Type |
JP33 |
JP34 |
JP35 |
JP36 |
JP37 |
JP38 |
|
80368DX |
2 & 3 |
2 & 3 |
Closed |
Closed |
Open |
Open |
|
CX486DLC |
2 & 3 |
2 & 3 |
Closed |
Closed |
Open |
Open |
|
80486SX |
1 & 2 |
1 & 2 |
Open |
Open |
Open |
Open |
|
80486DX-25/33 |
1 & 2 |
1 & 2 |
Open |
Open |
Open |
Open |
|
80486DX-50 |
1 & 2 |
1 & 2 |
Open |
Open |
Closed |
Closed |
|
80486DX2 |
1 & 2 |
1 & 2 |
Open |
Open |
Open |
Open |
|
Note: Pins designated should be in the closed position. |
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|
CPU TYPE SELECTION |
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|
Type |
JP39 |
JP40 |
JP41 |
JP42 |
JP43 |
JP44 |
|
80368DX |
Closed |
Open |
Open |
Open |
Open |
2 & 3 |
|
CX486DLC |
Closed |
Open |
Open |
Open |
Open |
2 & 3 |
|
80486SX |
Open |
Open |
Open |
Open |
Closed |
1 & 2 |
|
80486DX-25/33 |
Open |
Closed |
Closed |
Closed |
Open |
1 & 2 |
|
80486DX-50 |
Open |
Closed |
Closed |
Closed |
Open |
1 & 2 |
|
80486DX2 |
Open |
Closed |
Closed |
Closed |
Open |
1 & 2 |
|
Note: Pins designated should be in the closed position. |
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