INSTALLATIONS
20
IB770 User’s Manual
J11: PS/2 Keyboard and Mouse Connector
J11 uses a Y-cable with dual D-connectors for a PS/2 keyboard and a
PS/2 mouse.
Pin #
Signal Name
1
Mouse data
2
Keyboard data
3
Ground
4
Vcc
5
Mouse Clock
J11
6
Keyboard Clock
J12: CD-In Audio Connector
Pin #
Signal Name
1
CD Audio L
2
Ground
3
Ground
4
CD Audio R
J13: System Function Connector
The System Function Connector provides interfaces for light indicators
of system activities (HDD/Power) and computer status switches.
Hard Disk Drive LED
Reset Switch
Reserved
ATX Power On Switch
Speaker
Power LED
Speaker: Pins 1 - 4
This connector provides an interface to a speaker for audio
tone generation. An 8-ohm speaker is recommended.
Pin #
Signal Name
1
Speaker out
2
No connect
3
Ground
4
+5V
