Specifications

The following illustration shows the locations of the connectors on the M Pro Type
6230.
Power cord
connector
Mouse
Keyboard
Parallel
Serial
connectors
USBs
USBs
Mic
Line in
Line out
Ethernet
Video
1
3
9
4
1394 IEEE
connector
The following sections describe these connectors.
Audio connectors
The audio connectors are used to connect external audio equipment to the
computer. The following illustration shows the audio connectors.
Mic
(pink)
Line in
(blue)
Line out
(green)
Line in
There is one line-in connector on the rear of the computer. The computer receives
audio signals through this connector from an external audio device.
Line out
There are two line-out connectors, one on the front and one on the rear of the
computer. The computer sends audio signals through this connector to powered
speakers with built-in amplifiers, headphones, a multimedia keyboard, or the audio
line-in connector on a stereo system. The internal speaker in your computer is
disabled when any device is attached to this connector.
Microphone
There are two microphone connectors, one on the front and one on the rear of the
computer. Connect a microphone to this connector to record sounds onto the hard
disk or to use speech-recognition software. There are two microphone connectors,
one on the front and one on the rear of the computer.
70 IBM IntelliStation M Pro Types 6220 and 6230: Hardware Maintenance Manual