TANDY/RADIO SHACK
3000HD (DISCRETE VERSION)
Processor | 80286 |
Processor Speed | 8MHz |
Chip Set | C & T |
Video Chip Set | None |
Maximum Onboard Memory | 640KB |
Maximum Video Memory | None |
Cache | None |
BIOS | Unidentified |
Dimensions | 462mm x 458mm |
I/O Options | None |
NPU Options | 80287 |
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
» | Monitor type select monochrome | J1 | Pins 1 & 2 closed |
Monitor type select color | J1 | Pins 2 & 3 closed |
DRAM CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
512KB | (18) 41256 | None |
640KB | (18) 41256 | (18) 4164 |
Note: The location of banks 0 & 1 are unidentified. |
DRAM JUMPER CONFIGURATION | |
Size | J2 |
512KB | Open |
640KB | Closed |
BIOS SELECTION | ||||
Type | J3 | J4 | J5 | J6 |
27128 | Closed | Closed | Open | Open |
27256 (not used) | Open | Open | Closed | Closed |