DECISION COMPUTER INTERNATIONAL CO., LTD.
PCCOM 8-BIT ISA 4-PORT RS-422 (NEW)
Card Type |
Serial |
Chipset |
GoldStar |
I/O Options |
Serial ports (4) |
Data Bus |
8-bit ISA |
CONNECTIONS | |
Function |
Label |
Serial ports via DB-37 connector |
J1 |
Note:Standard DB-25 serial ports are provided on an included adapter cable. |
USER CONFIGURABLE SETTINGS | |||
Setting |
Label |
Position | |
Factory configured - do not alter |
J2 |
Pins 1 & 2 closed | |
Bus speed set to 16MHz or lower |
JP2 |
Pins 1 & 3 closed | |
Bus speed set higher than 16MHz |
JP2 |
Pins 2 & 4 closed | |
Factory configured - do not alter |
SW1/6 |
Unidentified | |
Factory configured - do not alter |
SW1/7 |
Off | |
Factory configured - do not alter |
SW1/8 |
Off |
SERIAL PORT ADDRESSES | ||||||
Port 1 |
Port 2 |
Port 3 |
Port 4 |
SW1/1 |
SW1/2 | |
3F8h (COM1:) |
2F8h (COM2:) |
2B0h |
2B8h |
On |
On | |
3F8h (COM1:) |
2F8h (COM2:) |
1B0h |
1B8h |
On |
Off | |
2A0h |
2A8h |
2B0h |
2B8h |
Off |
On | |
1A0h |
1A8h |
1B0h |
1B8h |
Off |
Off |
INTERRUPT MODE | ||||
Setting |
SW1/3 |
SW1/4 |
SW1/5 | |
Global |
Off |
Off |
On | |
Separate |
On |
On |
Off |
PORT 1 INTERRUPT | ||||||
Setting |
JP3/A |
JP3/B |
JP3/C |
JP3/D |
JP3/E |
JP3/F |
IRQ2 |
Pins 2 & 3 |
Open |
Open |
Open |
Open |
Open |
IRQ3 |
Open |
Pins 2 & 3 |
Open |
Open |
Open |
Open |
IRQ4 |
Open |
Open |
Pins 2 & 3 |
Open |
Open |
Open |
IRQ5 |
Open |
Open |
Open |
Pins 2 & 3 |
Open |
Open |
IRQ6 |
Open |
Open |
Open |
Open |
Pins 2 & 3 |
Open |
IRQ7 |
Open |
Open |
Open |
Open |
Open |
Pins 2 & 3 |
Note:Pins designated are in the closed position. |
PORT 2 INTERRUPT | ||||||
Setting |
JP3/A |
JP3/B |
JP3/C |
JP3/D |
JP3/E |
JP3/F |
IRQ2 |
Pins 1 & 2 |
Open |
Open |
Open |
Open |
Open |
IRQ3 |
Open |
Pins 1 & 2 |
Open |
Open |
Open |
Open |
IRQ4 |
Open |
Open |
Pins 1 & 2 |
Open |
Open |
Open |
IRQ5 |
Open |
Open |
Open |
Pins 1 & 2 |
Open |
Open |
IRQ6 |
Open |
Open |
Open |
Open |
Pins 1 & 2 |
Open |
IRQ7 |
Open |
Open |
Open |
Open |
Open |
Pins 1 & 2 |
Note:Pins designated are in the closed position. |
PORT 3 INTERRUPT | ||||||
Setting |
JP4/A |
JP4/B |
JP4/C |
JP4/D |
JP4/E |
JP4/F |
IRQ2 |
Pins 2 & 3 |
Open |
Open |
Open |
Open |
Open |
IRQ3 |
Open |
Pins 2 & 3 |
Open |
Open |
Open |
Open |
IRQ4 |
Open |
Open |
Pins 2 & 3 |
Open |
Open |
Open |
IRQ5 |
Open |
Open |
Open |
Pins 2 & 3 |
Open |
Open |
IRQ6 |
Open |
Open |
Open |
Open |
Pins 2 & 3 |
Open |
IRQ7 |
Open |
Open |
Open |
Open |
Open |
Pins 2 & 3 |
Note:Pins designated are in the closed position. |
PORT 4/GLOBAL INTERRUPT | |||||||
Setting |
JP4/A |
JP4/B |
JP4/C |
JP4/D |
JP4/E |
JP4/F | |
IRQ2 |
Pins 1 & 2 |
Open |
Open |
Open |
Open |
Open | |
IRQ3 |
Open |
Pins 1 & 2 |
Open |
Open |
Open |
Open | |
IRQ4 |
Open |
Open |
Pins 1 & 2 |
Open |
Open |
Open | |
IRQ5 |
Open |
Open |
Open |
Pins 1 & 2 |
Open |
Open | |
IRQ6 |
Open |
Open |
Open |
Open |
Pins 1 & 2 |
Open | |
IRQ7 |
Open |
Open |
Open |
Open |
Open |
Pins 1 & 2 | |
Note:Pins designated are in the closed position. |
DIAGNOSTIC LED(S) |
The function of the LED is unidentified. |