Step 5 attach cables – American Megatrends III User Manual
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Apollo III PCI Pentium ISA Motherboard User’s Guide
26
Step 5 Attach Cables,
Continued
IR Infrared
The 8-pin infrared connector (IR1) near PCI Slot 1 connects 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.
Remote Control Power RPW_COM is a 2-pin berg next to the infrared connector that
connects to the power supply for enabling system power when the remote
power switch is turned on. Connect a 2-wire power cable to RPW_COM and
attach the other end to the peripheral device.
USB Connectors The Apollo III motherboard has two 4-pin headers (USB1 and USB2) that
attach to a USB connector on the computer chassis. The USB port allows you
to attach to a USB hub. The USB connector pinouts are the same for both
USB connectors:
Pin
Signal Description
1
VCC (Fused 5V)
2
- Data
3
+ Data
4
Ground
Cont’d