TTC COMPUTER PRODUCTS
MP-009
|
Card Type |
Serial card |
|
Chipset/Controller |
National Semiconductor |
|
I/O Options |
Serial ports (2) |
|
Maximum DRAM |
N/A |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port 1 |
J2 |
Serial port 2 |
J3 |
|
PRIMARY PORT I/O ADDRESS SELECT | |||||||||
|
Address |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 | |
|
3F8h - 3FFh |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
On | |
|
2F8h - 2FFh |
Off |
Off |
Off |
Off |
Off |
On |
Off |
On | |
|
3E8h - 3EFh |
Off |
On |
Off |
Off |
Off |
Off |
Off |
On | |
|
2E8h - 2EFh |
Off |
On |
Off |
Off |
Off |
On |
Off |
On | |
|
2F0h - 2FFh |
On |
Off |
Off |
Off |
Off |
On |
Off |
On | |
|
3E0h - 3E7h |
On |
On |
Off |
Off |
Off |
Off |
Off |
On | |
|
2E0h - 2E7h |
On |
On |
Off |
Off |
Off |
On |
Off |
On | |
|
260h - 267h |
On |
On |
Off |
Off |
On |
On |
Off |
On | |
|
Disabled |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
Off | |
|
SECONDARY PORT I/O ADDRESS SELECT | |||||||||
|
Address |
SW2/1 |
SW2/2 |
SW2/3 |
SW2/4 |
SW2/5 |
SW2/6 |
SW2/7 |
SW2/8 | |
|
3F8h - 3FFh |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
On | |
|
2F8h - 2FFh |
Off |
Off |
Off |
Off |
Off |
On |
Off |
On | |
|
3E8h - 3EFh |
Off |
On |
Off |
Off |
Off |
Off |
Off |
On | |
|
2E8h - 2EFh |
Off |
On |
Off |
Off |
Off |
On |
Off |
On | |
|
2F0h - 2FFh |
On |
Off |
Off |
Off |
Off |
On |
Off |
On | |
|
3E0h - 3E7h |
On |
On |
Off |
Off |
Off |
Off |
Off |
On | |
|
2E0h - 2E7h |
On |
On |
Off |
Off |
Off |
On |
Off |
On | |
|
260h - 267h |
On |
On |
Off |
Off |
On |
On |
Off |
On | |
|
Disabled |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
Off | |
|
SERIAL PORT INTERRUPT SELECT | ||
|
IRQ |
JP3 (Port 1) |
JP4 (Port 2) |
|
IRQ2 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
IRQ3 |
Pins 3 & 4 closed |
Pins 3 & 4 closed |
|
IRQ4 |
Pins 5 & 6 closed |
Pins 5 & 6 closed |
|
IRQ5 |
Pins 7 & 8 closed |
Pins 7 & 8 closed |
|
IRQ10 |
Pins 9 & 10 closed |
Pins 9 & 10 closed |
|
IRQ11 |
Pins 11 & 12 closed |
Pins 11 & 12 closed |
|
IRQ12 |
Pins 13 & 14 closed |
Pins 13 & 14 closed |
|
IRQ15 |
Pins 15 & 16 closed |
Pins 15 & 16 closed |
|
Disabled |
Open |
Open |
|
Note: The default interrupt setting for Port 1 is IRQ4, and for Port 2 it is IRQ3. | ||
|
PRIMARY PORT SINGLE/MULTIPLE SOURCE INTERRUPT SELECT | ||
|
Setting |
JP1 | |
|
Single |
Pins 2 & 3 closed | |
|
Multiple |
Pins 1 & 2 closed | |
|
Note:Multiple source mode allows two or more ports to use the same IRQ setting, while Single source mode requires separate IRQs for each port. | ||
|
SECONDARY PORT SINGLE/MULTIPLE SOURCE INTERRUPT SELECT | ||
|
Setting |
JP2 | |
|
Single |
Pins 2 & 3 closed | |
|
Multiple |
Pins 1 & 2 closed | |
|
Note:Multiple source mode allows two or more ports to use the same IRQ setting, while Single source mode requires separate IRQs for each port. | ||