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Compaq Sound Board

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Jumper Settings

Card Type

Sound card

Chipset Controller

Unidentified

I/O Options

Line in, Microphone in (2), volume control, stereo speaker out (2), mono speaker out, game/MIDI port, SCSI CD-ROM interface, CD-ROM audio out, PC speaker in

Maximum Dram

N/A

50482-1.png

CONNECTIONS

Purpose

Location

Purpose

Location

Line in

J1

Molex-D 4 audio out

J6

Microphone in

J2

Right (mono) speaker out

J7

Stereo speaker out

J3

Audio I/O (see table below)

J8

Game/MIDI port

J4

PC Speaker in

J9

SCSI CD-ROM interface

J5

Volume control

R1

CONNECTOR J8

Purpose

Pin

Purpose

Pin

Microphone in ground

1

Right speaker out

5

Microphone in ground

2

Left speaker out

6

Microphone in

3

Right speaker return

7

Speaker out ground

4

Left speaker return

8

INTERNAL AUDIO AMPLIFIER CONFIGURATION

» Left amp

Right amp

JP5

» Enabled

Enabled

Pins 2 & 3, 5 & 6 closed

» Disabled

Disabled

Pins 1 & 2, 4 & 5 closed

BASE I/O ADDRESS FOR MIDI PORT SELECTION

» Address

JP4

» 330h

Pins 1 & 2 closed

» 300h

Pins 1 & 2 open

BASE I/O ADDRESS FOR SOUND CARD SELECTION

» Address

JP6

» 220h

Pins 7 & 8, 9 & 10 closed

» 240h

Pins 9 & 10 closed

» 260h

Pins 7 & 8 closed

» 280h

Pins 7 & 8, 9 & 10 open

BASE I/O ADDRESS FOR SCSI INTERFACE SELECTION

» Address

JP7

» 340h

Open

» 140h

Closed

INTERRUPT FOR SCSI INTERFACE SELECTION

» IRQ

JP3

» 9

Pins 1 & 2 closed

» 10

Pins 3 & 4 closed

» 11

Pins 5 & 6 closed

» 12

Pins 7 & 8 closed

INTERRUPT FOR SOUND CARD SELECTION

» IRQ

JP4

» 2

Pins 11 & 12, 13 & 14 closed

» 5

Pins 13 & 14 closerd

» 7

Pins 11 & 12 closed

» 10

Pins 11 & 12, 13 & 14 open

GAME PORT CONFIGURATION

» Port

JP6

» Enabled

Pins 5 & 6 closed

» Disabled

Pins 5 & 6 open

8-BIT DMA CHANNEL FOR SOUND CARD SELECTION

» Channel

JP4

» 0

Pins 3 & 4, 5 & 6 closed

» 1

Pins 5 & 6 closed

» 3

Pins 3 & 4 closed

16-BIT DMA CHANNEL FOR SOUND CARD SELECTION

» Channel

JP4

» 5

Pins 7 & 8, 9 & 10 closed

» 6

Pins 9 & 10 closed

» 7

Pins 7 & 8 closed

DMA CHANNEL FOR SCSI INTERFACE SELECTION

» Channel

JP1

JP2

» 0

Pins 1 & 2 closed

Pins 1 & 2 closed

» 5

Pins 3 & 4 closed

Pins 3 & 4 closed

» 6

Pins 5 & 6 closed

Pins 5 & 6 closed

» 7

Pins 7 & 8 closed

Pins 7 & 8 closed

See Also