UNIDENTIFIED
PIO-III
|
Card Type |
Multi-I/O |
|
Chipset/Controller |
Unidentified |
|
I/O Options |
Game port, Parallel port, Serial ports (2) |
|
Maximum DRAM |
N/A |
|
CONNECTIONS |
|||
|
Purpose |
Location |
Purpose |
Location |
|
Game port |
CN1 |
Serial port 2 |
CN4 |
|
Parallel port |
CN2 |
Control cable connector - floppy drive |
CN4 |
|
Serial port 1 |
CN3 |
|
|
|
CLOCK ADDRESS |
|
|
Address |
JP3 |
|
» 240h |
Pins 2 & 3 closed |
|
340h |
Pins 1 & 2 closed |
|
CLOCK INTERRUPT |
|
|
Setting |
JP6 |
|
» Enabled |
Pins 1 & 2 closed |
|
Disabled |
Pins 2 & 3 closed |
|
SERIAL PORTS 1 & 2 INTERRUPT SELECT |
|||
|
Port 1 |
Port 2 |
JP7 |
JP8 |
|
» IRQ4 |
IRQ3 |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
IRQ3 |
IRQ4 |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
IRQ3 |
Disabled |
All pins open |
Pins 1 & 2 closed |
|
IRQ4 |
Disabled |
All pins open |
Pins 2 & 3 closed |
|
Disabled |
IRQ3 |
Pins 1 & 2 closed |
All pins open |
|
SERIAL PORTS 1 & 2 INTERRUPT SELECT |
|||
|
Port 1 |
Port 2 |
JP7 |
JP8 |
|
Disabled |
IRQ4 |
Pins 2 & 3 closed |
All pins open |
|
Disabled |
Disabled |
All pins open |
All pins open |
|
SERIAL PORTS 1 & 2 INTERRUPT SELECT |
|||
|
Port 1 |
Port 2 |
J3 |
J4 |
|
» IRQ4 |
IRQ3 |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
IRQ3 |
IRQ4 |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
SERIAL PORT 1 & 2 CONFIGURATIONS |
||||
|
PORT 1 |
PORT 2 |
SW1/1 |
SW1/2 |
SW1/3 |
|
» COM1/3F8h |
COM2/2F8h |
On |
On |
On |
|
COM1/3F8h |
COM3/2E8h |
Off |
On |
On |
|
COM1/3F8h |
COM4/3D8h |
On |
Off |
On |
|
COM2/2F8h |
COM3/2E8h |
Off |
Off |
On |
|
COM2/2F8h |
COM4/3D8h |
On |
On |
Off |
|
COM3/2E8h |
COM4/3D8h |
Off |
On |
Off |
|
Disabled |
Disabled |
On |
Off |
Off |
|
Disabled |
Disabled |
Off |
Off |
Off |
|
PARALLEL PORT CONFIGURATION |
||
|
LPT/Address |
SW1/4 |
SW1/5 |
|
» LPT1/378h |
On |
On |
|
LPT2/278h |
Off |
On |
|
LPT3/3BCh |
On |
Off |
|
Disabled |
Off |
Off |
