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 |