PCCOM 16-BIT ISA 8-PORT RS-232/422 (OLD) IO card Settings and Configuration
DECISION COMPUTER INTERNATIONAL CO., LTD.
PCCOM 16-BIT ISA 8-PORT RS-232/422 (OLD)
Card Type | Serial |
Chipset | GoldStar |
I/O Options | Serial ports (8) |
Data Bus | 16-bit ISA |
CONNECTIONS | |||
Function | Label | Function | Label |
Serial ports via DB-78 port | J1 | Daisy chain connector (see pinout below) | JP1 |
Note:Standard DB-25 serial ports are provided on an included adapter cable. | |||
JP1 PINOUT | |||
Function | Pin | Function | Pin |
Daisy chain in | 1 | Daisy chain out | 3 |
Daisy chain in | 2 | Daisy chain out | 4 |
USER CONFIGURABLE SETTINGS | |||
Setting | Label | Position | |
| » | Interrupt master | JP3 | Closed |
Interrupt slave | JP3 | Open | |
| » | Factory configured - do not alter | SW3/7 | On |
| » | Interrupt vector enabled | SW3/8 | Off |
Interrupt vector disabled | SW3/8 | On | |
Note:Only one board per system should be set to interrupt master. | |||
BASE I/O ADDRESS | ||||
Setting | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
000h | On | On | On | On |
040h | On | On | On | Off |
080h | On | On | Off | On |
0C0h | On | On | Off | Off |
100h | On | Off | On | On |
140h | On | Off | On | Off |
180h | On | Off | Off | On |
1C0h | On | Off | Off | Off |
200h | Off | On | On | On |
240h | Off | On | On | Off |
280h | Off | On | Off | On |
2C0h | Off | On | Off | Off |
300h | Off | Off | On | On |
340h | Off | Off | On | Off |
380h | Off | Off | Off | On |
3C0h | Off | Off | Off | Off |
INTERRUPT | ||||||||
Setting | SW2/1 | SW2/2 | SW2/3 | SW2/4 | SW2/5 | SW2/6 | SW2/7 | SW2/8 |
IRQ3 | On | Off | Off | Off | Off | Off | Off | Off |
IRQ4 | Off | On | Off | Off | Off | Off | Off | Off |
IRQ5 | Off | Off | On | Off | Off | Off | Off | Off |
IRQ7 | Off | Off | Off | On | Off | Off | Off | Off |
IRQ10 | Off | Off | Off | Off | On | Off | Off | Off |
IRQ11 | Off | Off | Off | Off | Off | On | Off | Off |
IRQ12 | Off | Off | Off | Off | Off | Off | On | Off |
IRQ15 | Off | Off | Off | Off | Off | Off | Off | On |
Slave | Off | Off | Off | Off | Off | Off | Off | Off |
INTERRUPT VECTOR | ||||||
Setting | SW3/1 | SW3/2 | SW3/3 | SW3/4 | SW3/5 | SW3/6 |
000h | On | On | On | On | On | On |
010h | On | On | On | On | On | Off |
020h | On | On | On | On | Off | On |
030h | On | On | On | On | Off | Off |
040h | On | On | On | Off | On | On |
3B0h | Off | Off | Off | On | Off | Off |
3C0h | Off | Off | Off | Off | On | On |
3D0h | Off | Off | Off | Off | On | Off |
3E0h | Off | Off | Off | Off | Off | On |
3F0h | Off | Off | Off | Off | Off | Off |
Note:A total of 64 vector address settings are available. The switches are a binary representation of the decimal memory addresses. SW3/1 is the Most Significant Bit and switch SW3/6 is the Least Significant Bit. The switches have the following decimal values: SW3/1=512, SW3/2=256, SW3/3=128, SW3/4=64, SW3/5=32, SW3/6=16. Turn off the switches and add the values of the switches that are off to obtain the correct address. (Off=1, On=0) | ||||||
WAIT STATES | ||||
Setting | JP4/A | JP4/B | JP4/C | JP4/D |
0 | Closed | Open | Open | Open |
1 | Open | Closed | Open | Open |
2 | Open | Open | Closed | Open |
3 | Open | Open | Open | Closed |
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