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J10: CD-In Audio Connector
Pin # Signal Name
1 CD Audio R
2 Ground
3 Ground
4 CD Audio L
J11, J12: External PS/2 Keyboard and Mouse Connector
Pin # J11 J12
1 KB clock Mouse data
2 KB data N.C.
3 N.C. Ground
4 Ground Vcc
5 Vcc Mouse clock
J13: PS/2 Keyboard and Mouse Connector
J13 uses a Y-cable with dual D-connectors for a PS/2 keyboard and a
PS/2 mouse.
Pin # Signal Name
1 Keyboard data
2 Mouse data
3 Ground
4 Vcc
5 Keyboard Clock
6 Mouse Clock
J17, J15, J14: USB0/USB1 Connector
Signal Name Pin Pin Signal Name
Vcc 1 2 Ground
USB0- 3 4 USB1+
USB0+ 5 6 USB1-
Ground 7 8 Vcc
IB940 User’s Manual 21