QDI COMPUTER, INC.

QD6580W/757/777/787/797VL

Data bus:

32-bit VL-bus

Size:

Three-quarter length, half-height card

Hard drive supported:

Four IDE(AT) drives

Floppy drives supported:

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

CONNECTIONS

Function

Location

40-pin primary IDE(AT) connector

CN1

40-pin secondary IDE(AT) connector

CN2

34-pin cable connector - floppy drive

CN3

16-pin game port

CN4

9-pin serial port 1 - external, 10-pin serial port 1 internal

CN5

10-pin serial port 2 - internal

CN6

25-pin parallel port - external

CN7

2-pin connector - drive active LED

CN8

PARALLEL PORT ADDRESS SELECTION

LPT

JP6

JP7

»

LPT1 (378h)

pins 2 & 3 closed

pins 1 & 2 closed

 

LPT2 (278h)

pins 1 & 2 closed

pins 2 & 3 closed

 

LPT3 (3BCh)

pins 2 & 3 closed

pins 2 & 3 closed

 

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

Primary IDE controls disk peripherals only

JP1

open

 

Primary IDE controls disk and non-disk peripherals

JP1

closed

»

Sense clock frequency from VL slot

JP2/pins 2 & 3

closed

 

Does not sense clock frequency from VL slot

JP2/pins 1 & 2

closed

»

IDE(AT) interface enabled

JP3/pins 2 & 3

closed

 

IDE(AT) interface disabled

JP3/pins 1 & 2

closed

»

Primary IDE at 1FXh & secondary IDE at 17Xh enabled

JP4

closed

 

Only primary IDE at 1FX enabled

JP4

open

»

Chipset register address is 0BXh

JP5/pins 2 & 3

closed

 

Chipset register address is 03Xh

JP5/pins 1 & 2

open

»

Floppy drive interface enabled

JP12/pins 2 & 3

closed

 

Floppy drive interface disabled

JP12/pins 1 & 2

closed

»

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

JP13/pins 2 & 3

closed

 

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

JP13/pins 1 & 2

closed

»

Game port enabled

JP14

closed

 

Game port disabled

JP14

open

»

Parallel port IRQ 7 select

JP15/pins 2 & 3

closed

 

Parallel port IRQ 5 select

JP15/pins 1 & 2

closed

»

Parallel port is unidirectional

JP16

closed

 

Parallel port is bi-directional

JP16

open

»

Factory configured - do not alter

JP17

N/A

»

Factory configured - do not alter

JP18

N/A

»

Factory configured - do not alter

JP19

N/A

»

Factory configured - do not alter

JP20

N/A

»

Factory configured - do not alter

JP21

N/A

»

Factory configured - do not alter

JP22

N/A

SERIAL PORT 1 ADDRESS SELECTION

COM

JP8

JP9

»

COM1 (3F8h)

pins 2 & 3 closed

pins 1 & 2 closed

 

COM3 (3E8h)

pins 1 & 2 closed

pins 2 & 3 closed

 

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

SERIAL PORT 2 ADDRESS SELECTION

COM

JP10

JP11

»

COM2 (2F8h)

pins 2 & 3 closed

pins 1 & 2 closed

 

COM4 (2E8h)

pins 1 & 2 closed

pins 2 & 3 closed

 

Disabled

pins 1 & 2 closed

pins 1 & 2 closed