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AUDIO ADAPTER

TANDY/RADIO SHACK

AUDIO ADAPTER

Card Type

Sound card

Chipset Controller

Creative Labs

I/O Options

Audio extension connector, CD-ROM audio, CD-ROM drive interface, game/MIDI port, line in, microphone in, speaker out, volume

Maximum DRAM

N/A

CONNECTIONS

Purpose

Location

Purpose

Location

Game/MIDI port

CN1

Speaker out

J4

CD audio in

J1

CD-ROM drive interface

JP3

Line in

J2

*8-pin audio extension connector

JP24

Mic in

J3

Volume

VR1

*Note: Look at pin out table below.

JP24 CONNECTIONS

Purpose

Location

Mic jack right

Pin 1

Ground

Pin 2

Mic jack, preamp in

Pin 3

Ground

Pin 4

Speaker amp out

Pin 5

Speaker jack right

Pin 8

Note: See Amplifier configuration table for pins 6 & 7.

AMPLIFIER CONFIGURATION

Setting

JP23

JP24 pins 6 & 7

Disabled

Open

Open

 

Enabled

Closed

Closed

DMA CHANNELSELECTION

Channel

JP17

JP18

JP19

JP20

JP21

JP22

1

Open

Closed

Open

Open

Closed

Open

 

0

Closed

Open

Open

Closed

Open

Open

 

3

Open

Open

Closed

Open

Open

Closed

DMA SHARING CONFIGURATION

Setting

JP9

Disabled

Pins 1 & 2 closed

 

Enabled

Pins 2 & 3 closed

CD-ROM INTERRUPT SELECTION

IRQ

JP4

JP5

JP6

JP7

11

Open

Closed

Open

Open

 

3

Closed

Open

Open

Open

 

12

Open

Open

Closed

Open

 

15

Open

Open

Open

Closed

AUDIO ADAPTER INTERRUPT SELECTION

IRQ

JP13

JP14

JP15

JP16

7

Open

Open

Closed

Open

 

2/9

Closed

Open

Open

Open

 

5

Open

Closed

Open

Open

 

10

Open

Open

Open

Closed

AUDIO PORT ADDRESS SELECTION

Address

JP10

JP11

220h

Closed

Open

 

240h

Open

Closed

CD-ROM PORT ADDRESS SELECTION

Address

JP26

JP27

340h

Pins 2 & 3 closed

Pins 2 & 3 closed

 

300h

Pins 1 & 2 closed

Pins 1 & 2 closed

 

310h

Pins 2 & 3 closed

Pins 1 & 2 closed

 

330h

Pins 1 & 2 closed

Pins 2 & 3 closed

GAME PORT CONFIGURATION

Setting

JP8

Enabled

Closed

 

Disabled

Open

FACTORY CONFIGURED - DO NOT ALTER

Jumper

Position

JP12

N/A

JP25

N/A