WESTERN DIGITAL CORPORATION
WD286-LPM
| Processor | 80286 | 
| Processor Speed | 6/12.5/16MHz | 
| Chip Set | Faraday | 
| Max. Onboard DRAM | 4MB | 
| Cache | None | 
| BIOS | Phoenix | 
| Dimensions | 330mm x 198mm | 
| I/O Options | Parallel port, serial port (2), bus mousse port, floppy drive interface, video interface, IDE interface, proprietary bus expansion slot | 
| NPU Options | 80287 | 
 
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| Bus mouse port | J4 | Parallel port | J10 | 
| Reset switch | J6 | VGA interface | J12 | 
| Floppy drive interface | J7 | IDE interface | J14 | 
| Serial port 2 | J8 | IDE interface LED/Keylock | J15 | 
| Serial port 1 | J9 | Local bus expansion slot | S1 | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Jumper | Position | |
| » | Monitor type select color | W3 | pins 2 & 3 closed | 
| Monitor type select monochrome | W3 | pins 1 & 2 closed | |
| » | Floppy drive interface enabled | W4 | pins 2 & 3 closed | 
| Floppy drive interface disabled | W4 | pins 1 & 2 closed | |
| » | Factory configured - do not alter | W5 | pins 1 & 2 closed | 
| » | NPU speed select 6MHz | W9 | pins 2 & 3 closed | 
| NPU speed select 12.5MHz | W9 | pins 1 & 2 closed | |
| NPU speed select 16MHz | W9 | pins 1 & 2 closed | |
| » | Video port (J12) enabled | W11 | pins 2 & 3 closed | 
| Video port (J12)disabled | W11 | pins 1 & 2 closed | |
| » | IDE interface LED enabled | W12 | pins 2 & 3 closed | 
| IDE interface LED disabled | W12 | pins 1 & 2 closed | |
| » | Factory configured - do not alter | W15 | pins 2 & 3 closed | 
| » | Mouse port interrupt enabled (IRQ12) | W16 | Closed | 
| Mouse port interrupt disabled (IRQ12) | W16 | Open | |
| » | Factory configured - do not alter | W17 | Open | 
| DRAM CONFIGURATION | ||
| Size | Bank 0 | Bank 1 | 
| 1MB | (2) 256K x 9 | (2) 256K x 9 | 
| 2MB | (2) 1M x 9 | NONE | 
| 4MB | (2) 1M x 9 | (2) 1M x 9 | 
| Note:Bank 2 is an optional 128KB soldered onto the board on the 12MHz version only. | ||