J9: Keyboard And Mouse Connector; J1 (F_Panel): System Function Connector - IBASE Technology MI957 User Manual

INSTALLATIONS
J9: PS/2 Keyboard/Mouse Connector

J1 (F_PANEL): System Function Connector

J1 provides connectors for system indicators that provide light indication
of the computer activities and switches to change the computer status. J2
is a 20-pin header that provides interfaces for the following functions.
Hard Disk Drive LED
Speaker: Pins 1 - 4
This connector provides an interface to a speaker for audio
tone generation. An 8-ohm speaker is recommended.
18
Signal Name
Ground
Vcc
MSDATA
MSCLK
NC
Not Defined
Not Defined
Speaker
MI957 User's Manual
Pin Pin Signal Name
1 2 Ground
3 4
5 6 KBDATA
7 8 KBCLK
9 10
Reset Switch
ATX Power On Switch
Power LED
Pin # Signal Name
1 Speaker out
2 No connect
3 Ground
4 +5V
Vcc
NC