3000HD (GATE ARRAY VERSION) Motherboard Settings and Configuration
TANDY/RADIO SHACK
3000HD (GATE ARRAY VERSION)
Processor | 80286 |
Processor Speed | 8MHz |
Chip Set | C & T |
Video Chip Set | None |
Maximum Onboard Memory | 1MB |
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 2 & 3 closed |
Monitor type select color | J1 | Pins 1 & 2 closed | |
DRAM CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
512KB | (18) 41256 | None |
640KB | (18) 41256 | (18) 4164 |
1MB | (18) 41256 | (18) 41256 |
Note: The location of banks 0 & 1 are unidentified. | ||
DRAM JUMPER CONFIGURATION | ||
Size | J2 | J3 |
512KB | Closed | Open |
640KB | Open | Closed |
1MB | Open | Open |
BIOS SELECTION | ||||
Type | J4 | J5 | J6 | J7 |
16KB | Closed | Open | Closed | Open |
32KB (not used) | Open | Closed | Open | Closed |
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