Cn12: Ps/2 Keyboard And Ps/2 Mouse Connectors; Cn13: Audio Connector; Cn8, Cn9, Cn10, Cn11: Sata Hdd Connectors; J1: Digital I/O Connector (4 In, 4 Out) - American Megatrends MI941 User Manual

INSTALLATIONS

CN12: PS/2 Keyboard and PS/2 Mouse Connectors

Mouse (top)
Keyboard (bottom)

CN13: Audio Connector

CN8, CN9, CN10, CN11: SATA HDD Connectors

J1: Digital I/O Connector (4 in, 4 out)

J1 supports TTL levels and is used to control external devices requiring
ON/OFF circuitry.
Signal Name
16
Keyboard Signal
Keyboard data
N.C.
GND
5V
Keyboard clock
N.C.
CN13 is a 3-jack audio connector.
Pin #
Pin #
Ground 1
Out3 3
Out2 5
IN3 7
IN2 9
MI941 User's Manual
Pin #
1
2
3
4
5
6
Signal Name
1 Ground
2 TX+
3 TX-
4 Ground
5 RX-
6 RX+
7 Ground
Pin # Signal Name
2
4
6
8
10
Mouse Signal
Mouse data
N.C.
GND
5V
Mouse clock
N.C.
+5V
Out1
Out0
IN1
IN0