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22166958
REV. A
Installation Instructions
7. Insert the motherboard I/O shield into position and carefully align the new B75B motherboard (Item
#1) to the four existing studs of the computer core chassis. Secure the motherboard with four screws
removed in step #6.
8. Connect the POWER ON/RESET cable 22132270 (Item #5) into the keyed 10 pin header of the
POWER ON/RESET circuit board assembly 34052405 (Item #3) and reinstall into your computer
Core using the same two screws. Connect the other end of the cable to the “F Panel” header of the
B75B Motherboard. See Figure 3.
9. Connect the COM TO I/O Cable Assembly 22132269 (Item #4) to the keyed 10 pin header of the I/O
board still mounted in the computer core chassis. Connect the other end of the cable to the “COM 1”
header of the B75B motherboard. See Figure 3.
10. Connect the computer core chassis fan harness to the “SYS FAN” header of the B75B motherboard.
Figure 3
COM TO I/O
Cable
POWER ON/RESET
Board and connected
22132269 cable.
“F-Panel” header
“SYS FAN”
Header
I/O Board
I/O Shield
Chassis Fan
