IBASE IB930 - Manual (Page 22)

INSTALLATIONS
J8: Digital 4-in 4-out I/O Connector
Signal Name Pin Pin Signal Name
Ground 1 2 Vcc
Out3 3 4 Out1
Out2 5 6 Out0
Int3 7 8 Int1
Int2 9 10 Int0
J9: External Keyboard Connector
Pin # J1
1 KB clock
2 KB data
3 N.C.
4 Ground
5 Vcc
J10: System Function Connector
J10 provides connectors for system indicators that provide light
indication of the computer activities and switches to change the
computer status. J10 is a 20-pin header that provides interfaces for the
following functions.
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
Power LED: Pins 11-15
The power LED indicates the status of the main power
switch.
Pin # Signal Name
11 Power LED
12,14 NC
13,15 Ground
18 IB930 User’s Manual