D386SX CPU (REV. B) Motherboard Settings and Configuration
TEXAS MICRO, INC.
D386SX CPU (REV. B)
Device Type | Single board computer |
Processor | 80386SX |
Processor Speed | 20/25MHz |
Chip Set | Unidentified |
Maximum Onboard Memory | 16MB |
Cache | None |
BIOS | Unidentified |
Dimensions | 183mm x 122mm |
I/O Options | Floppy drive interface, IDE interface, parallel port, serial ports (2) |
NPU Options | 80387SX |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
IDE interface | J1 | Serial port 1 | J4 |
Floppy drive interface | J2 | Parallel port | J5 |
Serial port 2 | J3 | External battery | JP1 |
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
» | Battery enabled | JP1 | Pins 1 & 2 closed |
| Battery disabled | JP1 | Pins 2 & 3 closed |
| External battery installed | JP1 | Closed |
» | Parallel port IRQ select IRQ7 | JP2 | Pins 2 & 3 closed |
| Parallel port IRQ select IRQ5 | JP2 | Pins 1 & 2 closed |
» | User program setup loaded | JP3 | Pins 2 & 3 closed |
| Default program setup loaded | JP3 | Pins 1 & 2 closed |
» | Monitor type select color | JP4 | Pins 1 & 2 closed |
| Monitor type select monochrome | JP4 | Pins 2 & 3 closed |
SIMM CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
512KB | (2) 256K x 9 | None |
1MB | (2) 256K x 9 | (2) 256K x 9 |
2MB | (2) 1M x 9 | None |
4MB | (2) 1M x 9 | (2) 1M x 9 |
8MB | (2) 4M x 9 | None |
16MB | (2) 4M x 9 | (2) 4M x 9 |
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