UNIDENTIFIED
AT-420GW SUPER I/O CARD
|
Chipset |
Winbond |
|
Data Bus |
16-bit ISA |
|
Card Size |
Half height, half length |
|
Hard Drives Supported |
Two IDE(AT) devices |
|
Floppy Drives Supported |
Two 360KB, 720KB, 1.2MB, or 1.44MB drives |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
40-pin IDE(AT) connector |
JP1 |
2-pin drive active LED |
JP8 |
|
16-pin game port |
JP2 |
34-pin cable connector - floppy drive |
JP9 |
|
10-pin serial port 1 - internal |
JP3 |
25-pin parallel port - external |
JP15 |
|
9-pin serial port 2 - external |
JP4 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Setting |
Label |
Position | |
| » |
IDE IOR signal from mainboard |
J1 |
Pins 2 & 3 closed |
|
IDE IOR signal from chipset |
J1 |
Pins 1 & 2 closed | |
| » |
IDE IOW signal from mainboard |
J2 |
Pins 2 & 3 closed |
|
IDE IOW signal from chipset |
J2 |
Pins 1 & 2 closed | |
| » |
Floppy drive order is normal (A:, B:) |
JP6/A |
Pins 1 & 2 closed |
|
Floppy drive order is reversed (B:, A:) |
JP6/A |
Pins 2 & 3 closed | |
| » |
Floppy address is 3F0h |
JP6/B |
Pins 2 & 3 closed |
|
Floppy address is 370h |
JP6/B |
Pins 1 & 2 closed | |
| » |
IDE(AT) interface enabled |
JP6/C |
Pins 1 & 2 closed |
|
IDE(AT) interface disabled |
JP6/C |
Pins 2 & 3 closed | |
| » |
IDE(AT) address is 1F0h |
JP6/D |
Pins 2 & 3 closed |
|
IDE(AT) address is 170h |
JP6/D |
Pins 1 & 2 closed | |
| » |
Floppy controller enabled |
JP6/E |
Pins 1 & 2 closed |
|
Floppy controller disabled |
JP6/E |
Pins 2 & 3 closed | |
|
Parallel port is unidirectional |
JP11 |
Closed | |
|
Parallel port is bidirectional |
JP11 |
Open | |
|
Game port enabled |
JP16 |
Closed | |
|
Game port disabled |
JP16 |
Open | |
|
SERIAL PORT 1 ADDRESS SELECTION | |||
|
Setting |
JP9/A |
JP9/B | |
| » |
3F8h (COM1:) |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
3E8h (COM3:) |
Pins 2 & 3 closed |
Pins 1 & 2 closed | |
|
2E8h (COM4:) |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
|
Disabled |
Pins 2 & 3 closed |
Pins 2 & 3 closed | |
|
SERIAL PORT 2 ADDRESS SELECTION | ||
|
Setting |
JP9/C |
JP9/D |
|
2F8h (COM2:) |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
3E8h (COM3:) |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
2E8h (COM4:) |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
Disabled |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
PARALLEL PORT ADDRESS SELECTION | |||
|
Setting |
JP9/E |
JP9/F | |
| » |
378h |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
278h |
Pins 1 & 2 closed |
Pins 2 & 3 closed | |
|
3BCh |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
|
Disabled |
Pins 2 & 3 closed |
Pins 2 & 3 closed | |
|
SERIAL PORT 1 INTERRUPT SELECTION | ||||
|
Setting |
JP12/A |
JP12/B |
JP12/C | |
|
IRQ3 |
Open |
Closed |
Open | |
| » |
IRQ4 |
Closed |
Open |
Open |
|
IRQ5 |
Open |
Open |
Closed | |
|
SERIAL PORT 2 INTERRUPT SELECTION | ||||
|
Setting |
JP12/A |
JP12/B |
JP12/C | |
| » |
IRQ3 |
Closed |
Open |
Open |
|
IRQ4 |
Open |
Closed |
Open | |
|
IRQ5 |
Open |
Open |
Closed | |
|
PARALLEL PORT INTERRUPT SELECTION | |||
|
Setting |
JP12/G |
JP12/H | |
|
IRQ5 |
Open |
Closed | |
| » |
IRQ7 |
Closed |
Open |