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Motherboard User’s Guide
IR1: Infrared Port Header
The infrared port allows the wireless exchange of information between your
computer and similarly equipped devices such as printers, laptops, Personal
Digital Assistants (PDAs), and other computers.
1. Locate the infrared port-IR1 header on the motherboard.
2. If you are adding an infrared port, connect the ribbon cable from the port
to the IR1 header and then secure the port to an appropriate place in
your system chassis.
SPDIFO1: SPDIF Out Header
S/PDIF (Sony/Philips Digital Interface) is a standard audio transfer file format
and allows the transfer of digital audio signals from one device to another
without having to be converted first to an analog format. Via a specific audio
cable, you can connect the SPDIFO1 header (S/PDIF output) on the
motherboard to the S/PDIF digital input on the external speakers or AC Decode
devices.
Pin Signal Pin Signal
1NC2KEY
3+5V 4GND
5 IRTX 6 IRRX
Pin Signal Pin Signal
1SPDIF OUT2 +5V
3KEY4GND
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