EISA TECH CORPORATION
SINGLE-CHIP 286
| Processor | 80286 | 
| Processor Speed | 12/16MHz | 
| Chip Set | Acer | 
| Max. Onboard DRAM | 5MB | 
| Cache | None | 
| BIOS | AMI/Award | 
| Dimensions | 230mm x 215mm | 
| I/O Options | None | 
| NPU Options | 80287 | 
 
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| External battery | J1 | Turbo switch | J2 pins 10 & 12 & 14 | 
| Keylock | J2 pins 1 & 3 | Reset switch | J2 pins 18 & 20 | 
| Turbo LED | J2 pins 4 & 6 | Speaker | J2 pins 13 & 15 & 17 & 19 | 
| Power LED | J2 pins 5 & 7 & 9 | ||
| USER CONFIGURABLE SETTINGS | |||
| Function | Jumper | Position | |
| » | Monitor type select color | JP4 | pins 3 & 4 closed | 
| Monitor type select monochrome | JP4 | pins 1 & 2 closed | |
| NPX clock mode select CPU CLK/3 | JP11 | Closed | |
| NPX clock mode select CPU CLK/1 | JP11 | Open | |
| DRAM CONFIGURATION | ||||||
| Size | U25 - U28 | U17 & U19 | U33 - U36 | U16 & U18 | Bank 0 | Bank 1 | 
| 512KB | (4) 44256 | (2) 41256 | NONE | NONE | NONE | NONE | 
| 512KB | NONE | NONE | NONE | NONE | (2) 256K x 9 | NONE | 
| 1MB | (4) 44256 | (2) 41256 | (4) 44256 | (2) 41256 | NONE | NONE | 
| 1MB | NONE | NONE | NONE | NONE | (2) 256K x 9 | (2) 256K x 9 | 
| 2MB | (4) 44256 | (2) 41256 | (4) 44256 | (2) 41256 | (2) 256K x 9 | (2) 256K x 9 | 
| 2MB | NONE | NONE | NONE | NONE | (2) 1M x 9 | NONE | 
| 4MB | NONE | NONE | NONE | NONE | (2) 1M x 9 | (2) 1M x 9 | 
| 5MB | (4) 44256 | (2) 41256 | (4) 44256 | (2) 41256 | (2) 1M x 9 | (2) 1M x 9 | 
| Note:Either DIP (U17,U19,U25,U26,U27,U28) or SIMM may be used as Bank 0. | ||||||
| DRAM JUMPER CONFIGURATION | ||||||
| Size | JP5 | JP6 | JP7 | JP8 | JP9 | JP10 | 
| 512KB | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 
| 512KB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 
| 1MB | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 
| 1MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 
| 2MB | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 
| 2MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 
| 4MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 
| 5MB | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 
| Note:Pins designated should be in the closed position. | ||||||