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Step 7 Attach Cables,
IR Infrared
The 10-pin (2 by 5) infrared connector (IR) near the edge of the motherboard
and the ATX power connector attaches to an infrared port mounted on the
computer chassis. It allows data transmission to any other device that supports
the IrDA standards for infrared transmission. The infrared connector pinout is:
Pin
6
7
8
9
10
USB Connectors The motherboard has two 4-pin headers (USB1 and USB2) that attach to a USB
connector on the chassis. The USB port allows you to attach to a USB hub. The
USB connector pinouts are the same for both USB connectors:
Continued
Description
Pin
Ground
1
IRTX
2
IRTX
3
VCC
4
VCC
5
Pin
Signal Description
1
VCC (Fused 5V)
2
SBD-
3
SBD+
4
Ground
Description
VCC
VCC
IRRX
FIRRX
Ground
Chapter 1 Hardware Installation
Cont'd
27
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