PCCOM 8-BIT ISA 4-PORT RS-422 (NEW) IO card Settings and Configuration
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. |
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