UNIDENTIFIED
STM S286
| Processor | 80286 | 
| Processor Speed | 6/8MHz | 
| Chip Set | Unidentified | 
| Video Chip Set | None | 
| Maximum Onboard Memory | 640KB | 
| Maximum Video Memory | None | 
| Cache | None | 
| BIOS | Award | 
| Dimensions | 330mm x 300mm | 
| I/O Options | None | 
| NPU Options | 80287 | 
 
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| Speaker | J19 | External battery | J21 | 
| Power LED & keylock | J20 | Chassis fan power | J101 | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Label | Position | |
| » | Factory configured - do not alter | J17 | Unidentified | 
| Monitor type select color | J100 | Pins 1 & 2 closed | |
| Monitor type select monochrome | J100 | Pins 2 & 3 closed | |
| DRAM CONFIGURATION | ||
| Size | Bank 0 | Bank 1 | 
| 640KB | (18) 41256 | (18) 4164 | 
| Note: The location of banks 0 & 1 are unidentified. | ||
| CPU SPEED SELECTION | |
| Speed | J102 | 
| 6MHz | Closed | 
| 8MHz | Open | 
| NPU SPEED SELECTION | |
| Speed | J103 | 
| 4.77MHz | Pins 1 & 2 closed | 
| 8MHz | Pins 2 & 3 closed | 
| BIOS SELECTION | |
| Type | J18 | 
| 27128 | Pins 1 & 2, 3 & 4 closed | 
| 27256 | Pins 5 & 6, 7 & 8 closed | 
| MISCELLANEOUS TECHNICAL NOTE | 
| Note: This board has 6 16-bit slots and 2 8-bit slots. |