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VL-BUS SUPER I/O (NO. 373)

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 Supported

Four IDE(AT) devices

Floppy Drives Supported

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

CONNECTIONS

Function

Label

Function

Label

40-pin primary IDE(AT) connector

J1

9-pin serial port 1 - external

J5

40-pin secondary IDE(AT) connector

J2

10-pin serial port 2 - internal

J6

34-pin cable connector - floppy drive

J3

25-pin parallel port - external

J7

16-pin game port

J4

2-pin drive active LED

LED1

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:, B:)

JP2

Pins 1 & 2 closed

 

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

JP2

Pins 2 & 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 enabled

JP3

Closed

 

IDE(AT) secondary IOCHRDY signal disabled

JP3

Open

IDE(AT) primary IOCHRDY signal enabled

JP4

Closed

 

IDE(AT) primary IOCHRDY signal disabled

JP4

Open

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