J-MARK COMPUTER CORPORATION
386P25
| Processor | 80386DX | 
| Processor Speed | 25MHz | 
| Chip Set | OPTI | 
| Max. Onboard DRAM | 16MB (8MB on external memory card) | 
| Cache | None | 
| BIOS | AMI | 
| Dimensions | 330mm x 218mm | 
| I/O Options | 32-bit external memory card | 
| NPU Options | 80387DX/3167 | 
 
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| Turbo LED | CR4 | Reset switch | SW1 | 
| External battery | J10 | Turbo switch | SW2 | 
| Speaker | J22 | 32-bit external memory card | SL1 | 
| Power LED & keylock | J23 | ||
| USER CONFIGURABLE SETTINGS | |||
| Function | Jumper | Position | |
| » | Monitor type select monochrome | JP1 | pins 2 & 3 closed | 
| Monitor type select color | JP1 | pins 1 & 2 closed | |
| 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) 256K x 9 | (4) 1M x 9 | 
| 8MB | (4) 1M x 9 | (4) 1M x 9 |