User Guide

2-8 Chapter 2
J2 - Keyboard Connector
This has an orientation pin. Connect your keyboard connector to connector
J2 on the mainboard.
Pin number Name of the signal or signification
1 Keyboard clock
2 Keyboard data
3 No connection
4 Ground
5 +5VDC
P8/P9 - Power input Connectors Watch the pin number and the
orientation
These have a specific orientation. The three warning marks indicate that if
you make a mistake in pin number or connection orientation, you could
destroy your equipment. During installation, you just need to connect to the
correct pins and in the correct orientation, and to connect connectors P8
and P9 of the power supply unit to the connectors on the mainboard.
Pin number
Name of the signal or
signification
Pin number
Name of the signal or
signification
1 POWERGOOD 7 Ground
2 +5VDC 8 Ground
3 +12VDC 9 -5VDC
4 -12VDC 10 +5VDC
5 Ground 11 +5VDC
6 Ground 12 +5VDC