ABC COMPUTER COMPANY, LTD.
COMPACT 286 VER. 2
| Processor | 80286 | 
| Processor Speed | 20MHz | 
| Chip Set | C & T | 
| Max. Onboard DRAM | 8MB | 
| Cache | None | 
| BIOS | AMI | 
| Dimensions | 330mm x 218mm | 
| I/O Options | None | 
| NPU Options | 80287 | 
 
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| Reset switch | E5 | Speaker | J19 | 
| MIPS counter | E7 | Power LED & keylock | J21 | 
| External battery | J17 | ||
| USER CONFIGURABLE SETTINGS | |||
| Function | Jumper | Position | |
| » | NPU speed select 10MHz | E1 & E2 | pins 1 & 2 closed | 
| NPU speed select slow | E1 & E2 | pins 2 & 3 closed | |
| » | BIOS type select 27128 | E3 | pins 1 & 2 closed | 
| BIOS type select 27256 | E3 | pins 2 & 3 closed | |
| » | CMOS memory normal operation | E4 | pins 1 & 2 closed | 
| CMOS memory clear | E4 | pins 2 & 3 closed | |
| » | Reset enabled through hardware only | E6 | pins 1 & 2 closed | 
| Reset enabled through hardware and keyboard | E6 | pins 2 & 3 closed | |
| » | Monitor type select monochrome | SW1 | pins 1 & 2 closed | 
| Monitor type select color | SW1 | pins 2 & 3 closed | |
| DRAM CONFIGURATION | ||||
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | 
| 512KB | (18) 41256 | NONE | NONE | NONE | 
| 640KB | (18) 41256 | (18) 4164 | NONE | NONE | 
| 1MB | (18) 41256 | (18) 41256 | NONE | NONE | 
| 1.5MB | (18) 41256 | (18) 41256 | (18) 41256 | NONE | 
| 1.64MB | (18) 41256 | (18) 4164 | (18) 41256 | (18) 41256 | 
| 2MB | (18) 41256 | (18) 41256 | (18) 41256 | (18) 41256 | 
| 2MB | (18) 411000 | NONE | NONE | NONE | 
| 3MB | (18) 41256 | (18) 41256 | (18) 411000 | NONE | 
| 4MB | (18) 411000 | (18) 411000 | NONE | NONE | 
| 4.64MB | (18) 41256 | (18) 4164 | (18) 411000 | (18) 411000 | 
| 5MB | (18) 41256 | (18) 41256 | (18) 411000 | (18) 411000 | 
| 6MB | (18) 411000 | (18) 411000 | (18) 411000 | NONE | 
| 8MB | (18) 411000 | (18) 411000 | (18) 411000 | (18) 411000 | 
| Note:Locations of banks within the DRAM area are unknown. | ||||