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 Supported

Two IDE(AT) devices

Floppy Drives Supported

Two 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS

Function

Label

Function

Label

40-pin VLB IDE(AT) connector

CON1

9-pin serial port 1 - external

CON6

34-pin cable connector - floppy drive

CON2

10-pin serial port 2 - internal

CON7

40-pin ISA IDE(AT) connector

CON3

25-pin parallel port - external

CON8

40-pin header for anti-virus daughterboard

CON4

2-pin VLB drive active LED

J1

16-pin game port

CON5

2-pin ISA drive active LED

J5

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:, B:)

J8

Pins 2 & 3 closed

 

Floppy drive order is reversed (B:, A:)

J8

Pins 1 & 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 local bus

Pins 2 & 3 closed

Pins 1 & 2 closed

 

ISA

Pins 1 & 2 closed

Pins 2 & 3 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