YOUNG MICRO SYSTEMS, INC.
VS3486F/S-3VL
Processor |
80386DX/80486DLC/80486SX/80486DX/80486DX2 |
Processor Speed |
25/33/40/50(internal)/50/66MHz |
Chip Set |
Symphony |
Max. Onboard DRAM |
32MB |
Cache |
64/256/1024KB |
BIOS |
AMI |
Dimensions |
330mm x 218mm |
I/O Options |
None |
NPU Options |
80387DX/80487SX |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Turbo switch |
CN1 |
Power LED & keylock |
CN4 |
Turbo LED |
CN2 |
Speaker |
CN5 |
Reset switch |
CN3 |
DRAM CONFIGURATION | ||
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 |
CPU TYPE CONFIGURATION | ||||||||
Type |
JP24 |
JP25 |
JP28 |
JP32 |
JP33 |
JP34 |
JP35 |
JP36 |
80386DX |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
Closed |
Closed |
80486SX |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
Open |
Open |
80486DLC |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
Closed |
Closed |
Note:Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION | ||||||||
Type |
JP37 |
JP38 |
JP39 |
JP40 |
JP41 |
JP42 |
JP43 |
JP44 |
80386DX |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
1 & 2 |
80486SX |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
2 & 3 |
80486DLC |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
1 & 2 |
Note:Pins designated should be in the closed position. |
CPU SPEED CONFIGURATION | ||||||||
Speed |
JP24 |
JP25 |
JP28 |
JP32 |
JP33 |
JP34 |
JP35 |
JP36 |
25MHz |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
Open |
Open |
33MHz |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
Open |
Open |
50i MHz |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
Open |
Open |
50MHz |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
Open |
Open |
66i MHz |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
Open |
Open |
Note:Pins designated should be in the closed position. |
CPU SPEED CONFIGURATION | ||||||||
Speed |
JP37 |
JP38 |
JP39 |
JP40 |
JP41 |
JP42 |
JP43 |
JP44 |
25MHz |
Open |
Open |
Open |
Closed |
Closed |
Closed |
Open |
2 & 3 |
33MHz |
Open |
Open |
Open |
Closed |
Closed |
Closed |
Open |
2 & 3 |
50I MHz |
Open |
Open |
Open |
Closed |
Closed |
Closed |
Open |
2 & 3 |
50MHz |
Closed |
Closed |
Open |
Open |
Closed |
Closed |
Open |
2 & 3 |
66I MHz |
Open |
Open |
Open |
Closed |
Closed |
Closed |
Open |
2 & 3 |
Note:Pins designated should be in the closed position. |
CACHE CONFIGURATION | |
Size |
Cache |
64KB |
(9) 8K x 8 |
256KB |
(9) 32K x 8 |
CACHE JUMPER CONFIGURATION | |||
Size |
JP26 |
JP27 |
JP31 |
64KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
256KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |