ABC COMPUTER COMPANY, LTD.
A3860
| Processor | 80386DX | 
| Processor Speed | 25/33MHz | 
| Chip Set | Intel/VLSI | 
| Max. Onboard DRAM | 40MB | 
| Cache | None | 
| BIOS | AMI | 
| Dimensions | 330.2mm x 218.4mm | 
| I/O Options | None | 
| NPU Options | 80387/3167 | 
 
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| External battery | J6 | Turbo LED | J5 | 
| Power LED & keylock | J2 | Reset switch | J3 | 
| Speaker | J1 | Turbo switch | J4 | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Jumper | Position | |
| » | NPU type select 80387 or none | E2 | pins 2 & 3 closed | 
| NPU type select 3167 | E2 | pins 1 & 2 closed | |
| » | NPU mode select synchronous with CPU | E3 | Open | 
| NPU mode select asynchronous with CPU | E3 | Closed | |
| » | Pipeline mode enabled | E4 | Closed | 
| Pipeline mode disabled | E4 | Open | |
| » | Reset enabled | E5 | pins 2 & 3 closed | 
| Reset enabled only when keyboard is locked | E5 | pins 1 & 2 closed | |
| » | CMOS memory normal operation | E6 | Closed | 
| CMOS memory clear | E6 | Open | |
| » | CMOS memory normal operation | E7 | Open | 
| CMOS memory clear | E7 | Closed | |
| » | BIOS type select 8-bit | E8 | Closed | 
| BIOS type select 16-bit | E8 | Open | |
| » | Factory configured - do not alter | E9 | Open | 
| » | Monitor type select color | E10 | Closed | 
| Monitor type select monochrome | E10 | Open | |
| DRAM CONFIGURATION | |||||||
| Size | Batch | Bank 0 | Parity (P-0) | Bank 1 | Parity (P-1) | Bank 2 | Bank 3 | 
| 1MB | 1M | (8) 44256 | (4) 41256 | NONE | NONE | NONE | NONE | 
| 1MB | 1MS | NONE | NONE | NONE | NONE | (4) 256K x 9 | NONE | 
| 2MB | 2M | (8) 44256 | (4) 41256 | (8) 44256 | (4) 41256 | NONE | NONE | 
| 2MB | 2MS | NONE | NONE | NONE | NONE | (4) 256K x 9 | (4) 256K x 9 | 
| 3MB | 3M | (8) 44256 | (4) 41256 | (8) 44256 | (4) 41256 | (4) 256K x 9 | NONE | 
| 4MB | 4MK | (8) 44256 | (4) 41256 | (8) 44256 | (4) 41256 | (4) 256K x 9 | (4) 256K x 9 | 
| 4MB | 4MM | (8) 441000 | (4) 411000 | NONE | NONE | NONE | NONE | 
| 5MB | 5M | (8) 44256 | (4) 41256 | (8) 441000 | (4) 411000 | NONE | NONE | 
| 6MB | 6M | (8) 44256 | (4) 41256 | (8) 44256 | (4) 41256 | (4) 1M x 9 | NONE | 
| 8MB | 8M | (8) 441000 | (4) 411000 | (8) 441000 | (4) 411000 | NONE | NONE | 
| 8MB | 8MS | NONE | NONE | NONE | NONE | (4) 1M x 9 | (4) 1M x 9 | 
| 9MB | 9M | (8) 441000 | (4) 411000 | (8) 441000 | (4) 411000 | (4) 256K x 9 | NONE | 
| 10MB | 10M | (8) 44256 | (4) 41256 | (8) 44256 | (4) 41256 | (4) 1M x 9 | (4) 1M x 9 | 
| 12MB | 12M | (8) 441000 | (4) 411000 | (8) 441000 | (4) 411000 | (4) 1M x 9 | NONE | 
| 16MB | 16M | (8) 441000 | (4) 411000 | (8) 441000 | (4) 411000 | (4) 1M x 9 | (4) 1M x 9 | 
| 16MB | 16MS | NONE | NONE | NONE | NONE | (4) 4M x 9 | NONE | 
| 18MB | 18M | (8) 44256 | (4) 41256 | (8) 44256 | (4) 41256 | (4) 4M x 9 | NONE | 
| 24MB | 24M | (8) 441000 | (4) 411000 | (8) 441000 | (4) 411000 | (4) 4M x 9 | NONE | 
| 32MB | 32M | NONE | NONE | NONE | NONE | (4) 4M x 9 | (4) 4M x 9 | 
| 34MB | 34M | (8) 44256 | (4) 41256 | (8) 44256 | (4) 41256 | (4) 4M x 9 | (4) 4M x 9 | 
| 40MB | 40M | (8) 441000 | (4) 411000 | (8) 441000 | (4) 411000 | (4) 4M x 9 | (4) 4M x 9 | 
| Note:After installing memory, run the applicable batch file on your setup disk. This loads the appropriate values into the chipset. | |||||||