UNIDENTIFIED
286 TURBO
| Processor | 80286 | 
| Processor Speed | 10/12MHz | 
| Chip Set | VLSI | 
| Max. Onboard DRAM | 4MB | 
| Cache | None | 
| BIOS | AMI/Award/Phoenix | 
| Dimensions | 330mm x 218mm | 
| I/O Options | None | 
| NPU Options | 80287 | 
 
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| Turbo switch | C1 | Power LED & keylock | C4 | 
| Turbo LED | C2 | Speaker | C5 | 
| Reset switch | C3 | External battery | CN1 | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Jumper | Location | |
| » | BIOS type select 27256 | JP1 | pins 1& 2 closed | 
| BIOS type select 27512 | JP1 | pins 2 & 3 closed | |
| Factory configured - do not alter | JP5 | N/A | |
| CPU slow speed select 8MHz | JP6 | Open | |
| CPU slow speed select 6MHz | JP6 | Closed | |
| » | Monitor type select color | JP7 | Closed | 
| Monitor type select monochrome | JP7 | Open | |
| » | DRAM speed select 0 wait states | JP8 | Open | 
| DRAM speed select 1 wait state | JP8 | Closed | |
| DRAM CONFIGURATION | ||||
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | 
| 512KB | (18) 41256 | NONE | NONE | NONE | 
| 512KB | NONE | NONE | (2) 256K x 9 | NONE | 
| 640KB | (18) 41256 | (18) 4164 | NONE | NONE | 
| 640KB | NONE | NONE | (2) 256K x 9 | (2) 64K x 9 | 
| 1MB | (18) 41256 | (18) 41256 | NONE | NONE | 
| 1MB | NONE | NONE | (2) 256K x 9 | (2) 256K x 9 | 
| 2MB | (18) 411000 | NONE | NONE | NONE | 
| 2MB | NONE | NONE | (2) 1M x 9 | NONE | 
| 4MB | (18) 411000 | (18) 411000 | NONE | NONE | 
| 4MB | NONE | NONE | (2) 1M x 9 | (2) 1M x 9 | 
| DRAM JUMPER CONFIGURATION | |||
| Size | JP2 | JP3 | JP4 | 
| 512KB | Closed | Closed | Closed | 
| 512KB | Closed | Closed | Closed | 
| 640KB | Closed | Closed | Open | 
| 640KB | Closed | Closed | Open | 
| 1MB | Closed | Open | Closed | 
| 1MB | Closed | Open | Closed | 
| 2MB | Closed | Open | Open | 
| 2MB | Closed | Open | Open | 
| 4MB | Open | Closed | Closed | 
| 4MB | Open | Closed | Closed |