TEXT View Source
# UNIDENTIFIED
VL-BUS SUPER I/O (NO. 373)
Chipset Winbond
Data Bus 32-bit VESA local bus
Card Size Half height, full length
Hard Drives Four IDE(AT) devices
Supported
Floppy Drives Two 360KB, 720KB, 1.2MB, or 1.44MB drives
Supported
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|----------------------+-------+---------------------+-------|
| 40-pin primary | J1 | 9-pin serial port 1 | J5 |
| IDE(AT) connector | | - external | |
|----------------------+-------+---------------------+-------|
| 40-pin secondary | J2 | 10-pin serial port | J6 |
| IDE(AT) connector | | 2 - internal | |
|----------------------+-------+---------------------+-------|
| 34-pin cable | J3 | 25-pin parallel | J7 |
| connector - floppy | | port - external | |
| drive | | | |
|----------------------+-------+---------------------+-------|
| 16-pin game port | J4 | 2-pin drive active | LED1 |
| | | LED | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|----------------------------------------+-------+-----------|
| » | VESA local bus speed is 50MHz | JP1 | Pins 1 & |
| | | | 2 closed |
|---+------------------------------------+-------+-----------|
| | VESA local bus speed is 33MHz | JP1 | Pins 2 & |
| | | | 3 closed |
|---+------------------------------------+-------+-----------|
| » | IDE(AT) interface enabled | JP1 | Pins 4 & |
| | | | 5 closed |
|---+------------------------------------+-------+-----------|
| | IDE(AT) interface disabled | JP1 | Pins 5 & |
| | | | 6 closed |
|---+------------------------------------+-------+-----------|
| » | Floppy drive order is normal (A:, | JP2 | Pins 1 & |
| | B:) | | 2 closed |
|---+------------------------------------+-------+-----------|
| | Floppy drive order is reversed | JP2 | Pins 2 & |
| | (B:, A:) | | 3 closed |
|---+------------------------------------+-------+-----------|
| » | Floppy drive interface enabled | JP2 | Pins 4 & |
| | | | 5 closed |
|---+------------------------------------+-------+-----------|
| | Floppy drive interface disabled | JP2 | Pins 5 & |
| | | | 6 closed |
|---+------------------------------------+-------+-----------|
| » | IDE(AT) secondary IOCHRDY signal | JP3 | Closed |
| | enabled | | |
|---+------------------------------------+-------+-----------|
| | IDE(AT) secondary IOCHRDY signal | JP3 | Open |
| | disabled | | |
|---+------------------------------------+-------+-----------|
| » | IDE(AT) primary IOCHRDY signal | JP4 | Closed |
| | enabled | | |
|---+------------------------------------+-------+-----------|
| | IDE(AT) primary IOCHRDY signal | JP4 | Open |
| | disabled | | |
|---+------------------------------------+-------+-----------|
| » | Parallel port is unidirectional | JP7 | Closed |
|---+------------------------------------+-------+-----------|
| | Parallel port is bidirectional | JP7 | Open |
|---+------------------------------------+-------+-----------|
| » | Game port enabled | JP8 | Closed |
|---+------------------------------------+-------+-----------|
| | Game port disabled | JP8 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | JP5/A | JP5/B |
|------------------+--------------------+--------------------|
| 3F8h (COM1:) | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 3E8h (COM3:) | Pins 2 & 3 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| Disabled | Pins 2 & 3 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | JP5/C | JP5/D |
|------------------+--------------------+--------------------|
| 2F8h (COM2:) | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 2E8h (COM4:) | Pins 2 & 3 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| Disabled | Pins 2 & 3 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | JP5/E | JP5/F |
|------------------+--------------------+--------------------|
| 3BCh | Pins 2 & 3 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 378h | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 278h | Pins 2 & 3 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| Disabled | Pins 1 & 2 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT INTERRUPT SELECTION |
|------------------------------------------------------------|
| Setting | JP7 |
|----------------------------+-------------------------------|
| IRQ5 | Pins 3 & 4 closed |
|----------------------------+-------------------------------|
| IRQ7 | Pins 1 & 2 closed |
+------------------------------------------------------------+