J20: Front Bezel Connectors - TMC MI5VP4 User Manual

5.14 J20: Front Bezel Connectors

The front bezel of the case has a control panel which provides light
indication of the computer activities and switches to change the computer
status. J20 is a 20-pin header that provides interfaces for the following
functions.
Hard Disk Drive LED
Turbo LED
EXT SMI
Speaker
Speaker: Pins 1 - 4
This connector provides an interface to a speaker for audio
tone generation. An 8-ohm speaker is recommended.
Power LED: Pins 11 - 15
The power LED indicates the status of the main power
switch.
MI5VP4 User's Manual
Chapter 5 Installation
Reset Switch
PW-BM
Power LED
Pin # Signal Name
1 Speaker out
2 No connect
3 Ground
4 +5V
Pin # Signal Name
11 Power LED
12 No connect
13 Ground
14 No connect
15 Ground
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