User’s Manual

ASUS PRIME X570-PRO
1-19
Chapter 1
12. Serial port connector (10-1 pin COM)
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.
The COM module is purchased separately.
PRIME X570-PRO Serial port (COM) connector
PIN 1
COM
DCD
TXD
GND
RTS
RI
RXD
DTR
DSR
CTS
13. LED connector (13-pin LED1_CON)
The LED connector is for connecting an RGB Card under the rear I/O cover.
PRIME X570-PRO LED_CON
LED1_CON