CHAINTECH COMPUTER COMPANY, LTD.

SQ-688C

Card Type

Sound card

Chipset Controller

Unidentified

I/O Options

Audio connector (3), CD-ROM IDE interface, game/MIDI port, line in, microphone in, line out, volume, wavetable interface

Maximum DRAM

N/A

CONNECTIONS

Purpose

Location

Purpose

Location

Game/MIDI port

CN1

LED connector

JP1

CD-ROM IDE interface

J1

Audio connector

JP12

Wavetable interface

J2

Audio connector

JP13

Line in

J3

Audio connector

JP14

Mic in

J4

Volume

VR1

Line out

J5

   

BASE I/O ADDRESS SELECTION

Address

JP10

JP11

»

220h

Pins 2 & 3 closed

Pins 2 & 3 closed

 

230h

Pins 2 & 3 closed

Pins 1 & 2 closed

 

240h

Pins 1 & 2 closed

Pins 2 & 3 closed

 

250h

Pins 1 & 2 closed

Pins 1 & 2 closed

INTERRUPT SELECTION

IRQ

JP8/Pins 5 & 6

JP8/Pins 7 & 8

»

7

Closed

Open

 

2/9

Open

Open

 

5

Open

Closed

 

10

Closed

Closed

DMA CHANNEL SELECTION

Channel

JP8/Pins 1 & 2

JP8/Pins 3 & 4

»

1

Closed

Open

 

0

Open

Closed

 

3

Closed

Closed

IDE INTERRUPT CONFIGURATION

IRQ

JP2

JP4

»

15 (Secondary)

Pins 1 & 2 closed

Pins 1 & 2 closed

 

14 (Primary)

Pins 2 & 3 closed

Pins 2 & 3 closed

IDE CONFIGURATION

Setting

JP3

»

Enabled

Pins 1 & 2 closed

 

Disabled

Pins 2 & 3 closed

GAME PORT CONFIGURATION

Setting

JP9

»

Enabled

Pins 1 & 2 closed

 

Disabled

Pins 2 & 3 closed