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# UNIDENTIFIED
PW2578VL SUPER I/O CARD
I/O Chipset Winbond
Controller Chipset Promise
Data Bus 16-bit ISA/32-bit VESA local bus
Card Size Half height, full length
Hard Drives Two 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 VLB IDE(AT) | CON1 | 9-pin serial port | CON6 |
| connector | | 1 - external | |
|------------------------+-------+-------------------+-------|
| 34-pin cable connector | CON2 | 10-pin serial | CON7 |
| - floppy drive | | port 2 - internal | |
|------------------------+-------+-------------------+-------|
| 40-pin ISA IDE(AT) | CON3 | 25-pin parallel | CON8 |
| connector | | port - external | |
|------------------------+-------+-------------------+-------|
| 40-pin header for | CON4 | 2-pin VLB drive | J1 |
| anti-virus | | active LED | |
| daughterboard | | | |
|------------------------+-------+-------------------+-------|
| 16-pin game port | CON5 | 2-pin ISA drive | J5 |
| | | active LED | |
|------------------------------------------------------------|
| Note:Either CON1 or CON3 may be connected, but not |
| both. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|----------------------------------------+-------+-----------|
| » | Factory configured - do not alter | J2 | Pins 2 & |
| | | | 3 closed |
|---+------------------------------------+-------+-----------|
| » | Factory configured - do not alter | J3 | Pins 2 & |
| | | | 3 closed |
|---+------------------------------------+-------+-----------|
| » | Floppy interface enabled | J7 | Pins 2 & |
| | | | 3 closed |
|---+------------------------------------+-------+-----------|
| | Floppy interface disabled | J7 | Pins 1 & |
| | | | 2 closed |
|---+------------------------------------+-------+-----------|
| » | Floppy drive order is normal (A:, | J8 | Pins 2 & |
| | B:) | | 3 closed |
|---+------------------------------------+-------+-----------|
| | Floppy drive order is reversed | J8 | Pins 1 & |
| | (B:, A:) | | 2 closed |
|---+------------------------------------+-------+-----------|
| » | Serial port 2 interrupt is IRQ3 | J15 | Pins 2 & |
| | | | 3 closed |
|---+------------------------------------+-------+-----------|
| | Serial port 2 interrupt is IRQ4 | J15 | Pins 1 & |
| | | | 2 closed |
|---+------------------------------------+-------+-----------|
| » | Serial port 1 interrupt is IRQ4 | J16 | Pins 2 & |
| | | | 3 closed |
|---+------------------------------------+-------+-----------|
| | Serial port 1 interrupt is IRQ5 | J16 | Pins 1 & |
| | | | 2 closed |
|---+------------------------------------+-------+-----------|
| » | Parallel port interrupt is IRQ7 | J17 | Pins 1 & |
| | | | 2 closed |
|---+------------------------------------+-------+-----------|
| | Parallel port interrupt is IRQ5 | J17 | Pins 2 & |
| | | | 3 closed |
|---+------------------------------------+-------+-----------|
| » | Game port enabled | J18 | Closed |
|---+------------------------------------+-------+-----------|
| | Game port disabled | J18 | Open |
|---+------------------------------------+-------+-----------|
| » | Parallel port is unidirectional | J19 | Closed |
|---+------------------------------------+-------+-----------|
| | Parallel port is bidirectional | J19 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| IDE INTERFACE SELECTION |
|------------------------------------------------------------|
| Setting | J4 | J6 |
|----------------------+------------------+------------------|
| » | 32-bit VESA | Pins 2 & 3 | Pins 1 & 2 |
| | local bus | closed | closed |
|---+------------------+------------------+------------------|
| | ISA | Pins 1 & 2 | Pins 2 & 3 |
| | | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | J9 | J10 |
|------------------+--------------------+--------------------|
| 3F8h (COM1:) | Pins 2 & 3 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 3E8h (COM3:) | Pins 1 & 2 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| Disabled | Pins 1 & 2 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | J11 | J12 |
|------------------+--------------------+--------------------|
| 2F8h (COM2:) | Pins 2 & 3 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 2E8h (COM4:) | Pins 1 & 2 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| Disabled | Pins 1 & 2 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | J13 | J14 |
|------------------+--------------------+--------------------|
| 3BCh | Pins 2 & 3 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 378h | Pins 1 & 2 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 278h | Pins 2 & 3 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| Disabled | Pins 1 & 2 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+