JPN CORPORATION
286LS
| Processor | 80286 | 
| Processor Speed | 12/16MHz | 
| Chip Set | Headland | 
| Max. Onboard DRAM | 4MB | 
| Cache | None | 
| BIOS | AMI | 
| Dimensions | 220mm x 220mm | 
| I/O Options | None | 
| NPU Options | 80287 | 
 
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| External battery | JP2 | Turbo switch | JP10 | 
| Speaker | JP8 | Reset switch | JP11 | 
| Turbo LED | JP9 | Power LED & keylock | JP12 | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Jumper | Position | |
| » | Monitor type select color | JP3 | Closed | 
| Monitor type select monochrome | JP3 | Open | |
| » | CMOS memory normal operation | JP4 | Open | 
| CMOS memory clear | JP4 | Closed | |
| » | BIOS type select 27256 | JP5 | pins 2 & 3 closed | 
| BIOS type select 27128 | JP5 | pins 1 & 2 closed | |
| » | NPU clock speed select 10.4MHz | JP6 | pins 1 & 2 closed | 
| NPU clock speed select 4.8MHz | JP6 | pins 2 & 3 closed | |
| » | NPU mode select synchronous with CPU | JP7 | Closed | 
| NPU mode select asynchronous with CPU | JP7 | Open | |
| DRAM CONFIGURATION | ||||||
| Size | Bank 0 (D) | Bank 1 (D) | Parity 0 (D) | Parity 1 (D) | Bank 0 (S) | Bank 1 (S) | 
| 512KB | (4) 44256 | NONE | (2) 41256 | NONE | NONE | NONE | 
| 512KB | NONE | NONE | NONE | NONE | (2) 256K x 9 | NONE | 
| 640KB | (4) 44256 | (4) 4464 | (2) 41256 | (2) 4164 | NONE | NONE | 
| 1MB | (4) 44256 | (4) 44256 | (2) 41256 | (2) 41256 | NONE | NONE | 
| 1MB | NONE | NONE | NONE | NONE | (2) 256K x 9 | (2) 256K x 9 | 
| 2MB | NONE | NONE | NONE | NONE | (2) 1M x 9 | NONE | 
| 4MB | NONE | NONE | NONE | NONE | (4) 1M x 9 | (2) 1M x 9 | 
| Notes:Model 286LS is available with either SIMM or SIPP sockets. DIP and SIMM/SIPP memory must be used separately. | ||||||