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4.
Serial port connector (10-1 pin COM1)
This connector is for a serial (COM) port. Connect the serial port module cable to this
connector, then install the module to a slot opening at the back of the system chassis.
F1A55 R2.0
F1A55 R2.0 Serial port (COM1) connector
The COM module is purchased separately.
5.
Digital audio connector (4-1 pin SPDIF_OUT)
This connector is for an additional Sony/Philips Digital Interface (S/PDIF) port.
F1A55 R2.0
F1A55 R2.0 Digital audio connector
Ensure that the audio device of Sound playback is Realtek High Definition Audio (the
name may be different based on the OS). Go to Start > Control Panel > Sounds and
Audio Devices > Sound Playback to configure the setting.
The S/PDIF module is purchased separately.
ASUS F1A55 R2.0
COM1
PIN 1
SPDIF_OUT
1-27
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