BEST UNION ELECTRONICS CO., LTD.

MM AUDIO TELEPHONY 3100

Card Type

Sound card

Chip Set

Unidentified

Maximum Onboard Memory

None

I/O Options

Game/MIDI port, line in, line out, microphone, telephone

Data Bus

16-bit ISA

Floppy drives supported

None

CONNECTIONS

Function

Label

Function

Label

4-pin connector

CN1

Game/MIDI port

CN7

4-pin connector

CN2

Telephone

J1

4-pin connector

CN3

Line in

J2

4-pin connector

CN4

Microphone

J3

3-pin connector

CN5

Line out

J4

4-pin connector

CN6

   

Note: The exact function & purpose of CN1 - CN6 is unidentified.

USER CONFIGURABLE SETTINGS

Function

Label

Position

I/O port address is 220h - 22Fh

JMPBO

Pins 1 & 2 closed

 

I/O port address is 240h - 24Fh

JMPBO

Pins 2 & 3 closed

EEPROM hardware settings enabled

JMPCFG

Pins 1 & 2 closed

 

EEPROM hardware settings disabled

JMPCFG

Pins 2 & 3 closed

Condenser microphone select

JX1

Pins 1 & 2 closed

 

Carbon microphone select

JX1

Pins 2 & 3 closed