UNIDENTIFIED
386SX-25/33 (ALI M1217)
| Processor | 80386SX | 
| Processor Speed | 25/33MHz | 
| Chip Set | ALI | 
| Video Chip Set | None | 
| Maximum Onboard Memory | 16MB | 
| Maximum Video Memory | None | 
| Cache | None | 
| BIOS | AMI/Award | 
| Dimensions | 220mm x 170mm | 
| I/O Options | None | 
| NPU Options | 80387SX | 
 
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| External battery | J4 | Turbo switch/LED | J8 | 
| Reset switch | J6 | Power LED & keylock | J9 | 
| Speaker | J7 | ||
| USER CONFIGURABLE SETTINGS | |||
| Function | Label | Position | |
| Address delay enabled | J5 | Pins 1 & 2 closed | |
| Address delay disabled | J5 | Open | |
| NPU synchronous with CPU | JP2 | Pins 1 & 2 closed | |
| NPU asynchronous with CPU | JP2 | Pins 2 & 3 closed | |
| CMOS chip type US1287 | JP3 | Closed | |
| CMOS chip type 146818 | JP3 | Open | |
| Monitor type select color | JP4 | Pins 2 & 3 closed | |
| Monitor type select monochrome | JP4 | Pins 1 & 2 closed | |
| Parity enabled | JP6 | Closed | |
| Parity disabled | JP6 | Open | |
| 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 | 
| CPU SPEED SELECTION | ||
| Speed | JP1 | JP5 | 
| 25MHz | Pins 1 & 2 closed | Pins 1 & 2 closed | 
| 33MHz | Pins 2 & 3 closed | Pins 2 & 3 closed |