UNIDENTIFIED
VLSI 80386SX
| Processor | 80386SX | 
| Processor Speed | 16/20/25MHz | 
| Chip Set | VLSI | 
| Max. Onboard DRAM | 16MB | 
| Cache | None | 
| BIOS | AMI | 
| Dimensions | 220mm x 220mm | 
| I/O Options | None | 
| NPU Options | 80387SX | 
 
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| External battery | J2 | Speaker | J7 | 
| Turbo switch | J5 | Reset switch | J8 | 
| Power LED & keylock | J6 | Turbo LED | J9 | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Jumper | Position | |
| » | CPU speed select forced slow | J5 | Closed | 
| CPU speed select switchable at keyboard | J5 | Open | |
| » | Monitor type select color | J1 | Closed | 
| Monitor type select monochrome | J1 | Open | |
| » | Battery type select internal | J4 | pins 2 & 3 closed | 
| Battery type select external | J4 | pins 1 & 2 closed | |
| DRAM CONFIGURATION | ||
| Size | Bank 0 | Bank 1 | 
| 512KB | (2) 256K x 9 | NONE | 
| 1MB | (2) 256K x 9 | (2) 256K x 9 | 
| 2MB | (2) 1M x 9 | NONE | 
| 4MB | (2) 1M x 9 | (2) 1M x 9 | 
| 8MB | (2) 4M x 9 | NONE | 
| 16MB | (2) 4M x 9 | (2) 4M x 9 |