TOP MICROSYSTEMS, INC.
286 MODEL-1010-200, VER 1.25
Processor | 80286 |
Processor Speed | 12/16/20MHz |
Chip Set | C & T |
Max. Onboard DRAM | 2MB |
Cache | None |
BIOS | Phoenix |
Dimensions | 330mm x 218mm |
I/O Options | 16-bit external memory card slot |
NPU Options | 80287 |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Speaker | J1 | Power LED & keylock | J4 |
Reset switch | J2 | External battery | J6 |
Turbo LED | J3 | 16-bit external memory card | S1 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
| » | Monitor type select color | J5 | pins 2 & 3 closed |
Monitor type select monochrome | J5 | pins 1 & 2 closed | |
| » | NPU is synchronous with CPU | J19 | pins 3 & 4 closed |
NPU is synchronous with oscillator installed at U17 | J19 | pins 1 & 2 closed | |
DRAM CONFIGURATION | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
512KB | (4) 44256 | NONE | NONE | NONE |
640KB | (4) 44256 | (4) 4464 | NONE | NONE |
1MB | (4) 44256 | (4) 44256 | NONE | NONE |
2MB | (4) 44256 | (4) 44256 | (4) 44256 | (4) 44256 |
DRAM PARITY CONFIGURATION | ||||
Size | P 0 | P 1 | P 2 | P 3 |
512KB | (2) 41256 | NONE | NONE | NONE |
640KB | (2) 41256 | (2) 41256 | (2) 4164 | NONE |
1MB | (2) 41256 | (2) 41256 | NONE | NONE |
2MB | (2) 41256 | (2) 41256 | (2) 41256 | (2) 41256 |