Appendix B
Overview
The I/O Interface Board provides the connections for the keyboard, mouse, two USB ports, and all the
standard input/output connections for the floppy/parallel port and serial ports. The I/O Interface Board also
provides an auxiliary battery connection, an auxiliary voltage connector, PC speaker, and a reset switch.
I/O Interface Board Layout
Infrared
Header (J12)
Utility 2 (J2)
PC
Speaker
(SP1)
Reset
Switch
(S1)
Utility 1 (J1)
TX/TTL Jumper (W1)
(Default = Pins 1-2, TX)
[Do not change
this jumper setting -
TTL not a function on
the CoreModule 740]
NOTE
If you need more information concerning the I/O Interface Board than is
provided in this Appendix, refer to the CoreModule 740 QuickDrive for a
schematic, BOM, and AVL.
CoreModule 740
I/O Interface Board Description
Parallel Port (J5)
1
2
3
HDD
Serial
Activity
Port 2 (J4)
LED
Figure B-1. I/O Interface Board Connectors (Top view)
Reference Manual
(J11 - Not connected
Aux Battery
Power (J10)
at the CoreModule 740)
Serial
PS/2
Port 1 (J3)
Mouse (J7)
AT
Keyboard
(J6)
USB
Port 2 (J9)
USB
Port 1 (J8)
35
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