ACHME COMPUTER, INC.
MS-4132G VLB 486 SI3G
Processor | 80486SX/80487SX/80486SX-SL/80486DX/80486DX-SL |
Processor Speed | 25/33/40/50MHz |
Chip Set | SIS |
Max. Onboard DRAM | 32MB |
Cache | 128/256KB |
BIOS | Phoenix |
Dimensions | 254mm x 218mm |
I/O Options | 32-Bit VESA local bus slots (3) |
NPU Options | None |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Internal keyboard connector | CN1 | Power saving switch | JG3 |
External battery | JB | 32-Bit VESA local bus slot | S1 |
Green Function | JC7 | 32-Bit VESA local bus slot | S2 |
Monitor power control | JG1 | 32-Bit VESA local bus slot | S3 |
Green PC LED | JG2 |
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PIN OUT CONFIGURATION | |
Connector | JFP |
Keylock | pins 1 & 2 closed |
Power LED | pins 3 & 5 closed |
Turbo LED | pins 12 & 13 closed |
Turbo switch | pins 15, 16, & 17 closed |
Reset | pins 19 & 20 closed |
Speaker | pins 7, 8, 9, & 10 closed |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | CPU PQFP not installed | JC1 | Closed |
| CPU PQFP installed | JC1 | Open |
» | Monitor type select monochrome | JP1 | Open |
| Monitor type select color | JP1 | Closed |
» | Factory configured - do not alter | JP4A | pins 1 & 2 closed |
» | Factory configured - do not alter | JP16 | N/A |
» | Normal VL-bus card installed | JP23 | Open |
| Special VL-bus card installed | JP23 | Closed |
CACHE CONFIGURATION | |||
Size | Bank 0 | Bank 1 | TAG |
128KB | (4) 32K x 8 | NONE | (1) 8K x 8 |
256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
CACHE JUMPER CONFIGURATION | ||
Size | JS1 | JS2 |
128KB | pins 1 & 2 closed | pins 1 & 2 closed |
256KB | pins 2 & 3 closed | pins 2 & 3 closed |
CPU TYPE CONFIGURATION | |||||||
Type | JC2 | JC3 | JC4 | JC5 | JC6 | JC8 | JC9 |
80486SX | Open | pins 2 & 3 | N/A | N/A | Open | Closed | Closed |
80486SX-SL | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 | Open | Closed | Closed |
80487SX | Open | 1 & 2, 3 & 4 | N/A | N/A | pins 1 & 2 | Open | Open |
80486DX | Open | 1 & 2, 3 & 4 | N/A | N/A | pins 2 & 3 | Open | Open |
80486DX-SL | pins 2 & 3 | 1 & 2, 3 & 4 | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 | Closed | Closed |
Note: Pins designated should be in the closed position. |
VESA WAIT STATE/BUS SPEED CONFIGURATION | |||
Speed | Wait states | JP8 | JP9 |
< 33MHz | 0 wait states | Open | Open |
>33MHz | 1 wait state | Closed | Closed |
CPU SPEED CONFIGURATION | ||||
Speed | JK1 | JK2 | JK3 | JK4 |
25MHz | Open | Open | Closed | pins 2 & 3 closed |
33MHz | Closed | Open | Open | pins 2 & 3 closed |
40MHz | Closed | Closed | Open | pins 2 & 3 closed |
50MHz | Open | Closed | Open | pins 1 & 2 closed |
DRAM BANK AND JUMPER CONFIGURATION | ||||||
Size | Bank 0 | Bank 1 | Bank 2 | JM1 | JM2 | JM3 |
4MB | (1) 256KB x 36 DS | (1) 512KB x 36 | NONE | 1 & 2 | N/A | N/A |
4MB | (1) 256K x 36 | (1) 512KB x 36 | (4) 256K x 9 | 1 & 2 | 4 & 5 | 1 & 2 |
4MB | (1) 512KB x 36 | (1) 512KB x 36 | NONE | 2 & 3 | N/A | N/A |
4MB | (1) 1M x 36 | NONE | NONE | N/A | N/A | N/A |
4MB | NONE | NONE | (4) 1M x 9 | N/A | N/A | 2 & 3 |
8MB | (1) 256KB x 36 DS | (1) 512KB x 36 | (4) 1M x 9 | 1 & 2 | 1 & 2 | 1 & 2 |
8MB | (1) 256KB x 36 DS | (1) 1M x 36 | NONE | 1 & 2 | N/A | N/A |
8MB | (1) 256KB x 36 DS | NONE | (4) 1M x 9 | N/A | 2 & 3 | 1 & 2 |
8MB | (1) 1M x 36 | (1) 1M x 36 | NONE | 2 & 3 | N/A | N/A |
8MB | (1) 1M x 36 | NONE | (4) 1M x 9 | N/A | 4 & 5 | 1 & 2 |
8MB | (1) 1M x 36 DS | NONE | NONE | N/A | N/A | N/A |
12MB | (1) 256KB x 36 DS | (1) 1M x 36 | (4) 1M x 9 | 1 & 2 | 1 & 2 | 1 & 2 |
12MB | (1) 1M x 36 | (1) 1M x 36 | (4) 1M x 9 | 1 & 2 | 4 & 5 | 1 & 2 |
16MB | (1) 1M x 36 DS | (1) 1M x 36 | (4) 1M x 9 | 1 & 2 | 1 & 2 | 1 & 2 |
16MB | (1) 1M x 36 DS | (1) 1M x 36 DS | NONE | 1 & 2 | 1 & 2 | 1 & 2 |
16MB | (1) 4M x 36 | NONE | NONE | N/A | N/A | N/A |
16MB | NONE | NONE | (4) 4M x 9 | N/A | N/A | 2 & 3 |
20MB | (1) 2M x 36 | (1) 2M x 36 | (4) 4M x 9 | 2 & 3 | 2 & 3 | 1 & 2 |
24MB | (1) 2M x 36 DS | (1) 4M x 36 | (4) 4M x 9 | 1 & 2 | 1 & 2 | 1 & 2 |
32MB | (1) 4M x 36 | (1) 4M x 36 | NONE | 2 & 3 | N/A | N/A |
64MB | (1) 4M x 36 DS | (1) 4M x 36 DS | NONE | 1 & 2 | 1 & 2 | 1 & 2 |
64MB | (1) 4M x 36 DS | (1) 4M x 36 | (4) 4M x 9 | 1 & 2 | 1 & 2 | 1 & 2 |
Note:Pins designated should be in the closed position. |