TTC COMPUTER PRODUCTS
MP-001
Card Type | I/O controller |
Chipset/Controller | National Semiconductor |
I/O Options | Serial port (4) |
Maximum DRAM | N/A |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Serial port 1 | J2 | Serial port 3 | J4 |
Serial port 2 | J3 | Serial port 4 | J5 |
BASE ADDRESS CONFIGURATION | ||||
Address Range | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
3F8h - 3FFh | Off | N/A | N/A | N/A |
2F0h - 2F7h | On | N/A | N/A | N/A |
2F8h - 2FFh | N/A | Off | N/A | N/A |
3E0h - 3E7h | N/A | On | N/A | N/A |
3E8h - 3EFh | N/A | N/A | Off | N/A |
2E0h - 2E7h | N/A | N/A | On | N/A |
2E8h - 2FFh | N/A | N/A | N/A | Off |
260h - 267h | N/A | N/A | N/A | On |
PRIMARY PORT ADDRESS CONFIGURATION | |||||
Address Range | SW3/5 | SW3/6 | SW3/7 | SW3/8 | |
| » | 3F8h - 3FFh | On | Off | Off | Off |
2F0h - 2F7h | On | Off | Off | Off | |
2F8h - 2FFh | Off | On | Off | Off | |
3E0h - 3E7h | Off | On | Off | Off | |
3E8h - 3EFh | Off | Off | On | Off | |
2E0h - 2E7h | Off | Off | On | Off | |
2E8h - 2FFh | Off | Off | Off | On | |
260h - 267h | Off | Off | Off | On | |
Disabled | Off | Off | Off | Off | |
SECONDARY PORT ADDRESS CONFIGURATION | |||||
Address Range | SW3/1 | SW3/2 | SW3/3 | SW3/4 | |
| » | 2F8h - 2FFh | Off | On | Off | Off |
3F8h - 3FFh | On | Off | Off | Off | |
2F0h - 2F7h | On | Off | Off | Off | |
3E0h - 3E7h | Off | On | Off | Off | |
3E8h - 3EFh | Off | Off | On | Off | |
2E0h - 2E7h | Off | Off | On | Off | |
2E8h - 2FFh | Off | Off | Off | On | |
260h - 267h | Off | Off | Off | On | |
Disabled | Off | Off | Off | Off | |
THIRD PORT ADDRESS CONFIGURATION | |||||
Address Range | SW2/1 | SW2/2 | SW2/3 | SW2/4 | |
| » | 3E8h - 3EFh | Off | Off | On | Off |
3F8h - 3FFh | On | Off | Off | Off | |
2F0h - 2F7h | On | Off | Off | Off | |
2F8h - 2FFh | Off | On | Off | Off | |
3E0h - 3E7h | Off | On | Off | Off | |
2E0h - 2E7h | Off | Off | On | Off | |
2E8h - 2FFh | Off | Off | Off | On | |
260h - 267h | Off | Off | Off | On | |
Disabled | Off | Off | Off | Off | |
FOURTH PORT ADDRESS CONFIGURATION | |||||
Address Range | SW2/5 | SW2/6 | SW2/7 | SW2/8 | |
| » | 260h - 267h | Off | Off | Off | On |
3F8h - 3FFh | On | Off | Off | Off | |
2F0h - 2F7h | On | Off | Off | Off | |
2F8h - 2FFh | Off | On | Off | Off | |
3E0h - 3E7h | Off | On | Off | Off | |
3E8h - 3EFh | Off | Off | On | Off | |
2E0h - 2E7h | Off | Off | On | Off | |
2E8h - 2FFh | Off | Off | Off | On | |
Disabled | Off | Off | Off | Off | |
INTERRUPT SELECT | ||||||||
Port 1 | Port 2 | Port 3 | Port 4 | SW1/5 | SW1/6 | SW1/7 | SW1/8 | |
| » | IRQ4 | IRQ3 | IRQ4 | IRQ3 | Off | On | Off | On |
IRQ3 | IRQ4 | IRQ2 | IRQ5 | On | On | On | On | |
IRQ4 | IRQ3 | IRQ2 | IRQ5 | Off | On | On | On | |
IRQ3 | IRQ4 | IRQ5 | IRQ2 | On | Off | On | On | |
IRQ4 | IRQ3 | IRQ5 | IRQ2 | Off | Off | On | On | |
IRQ3 | IRQ4 | IRQ3 | IRQ4 | On | On | Off | On | |
IRQ3 | IRQ4 | IRQ4 | IRQ3 | On | Off | Off | On | |
IRQ4 | IRQ3 | IRQ3 | IRQ4 | Off | Off | Off | On | |