ASROCK X570 PRO4 User Manual page 38

Addressable LED Header
(3-pin ADDR_LED1)
(see p.7, No. 23)
Serial Port Header
(9-pin COM1)
(see p.7, No. 25)
32
This header is used to connect
1
Addressable LED extension cable
GND
DO_ADDR which allows users to choose
VOUT
from various LED lighting
effects.
Caution: Never install the
Addressable LED cable in the
wrong orientation; otherwise,
the cable may be damaged.
* Please refer to page 56 for
further instructions on this
header.
This COM1 header
RRXD1
DDTR#1
supports a serial port
DDSR#1
CCTS#1
module.
1
RRI#1
RRTS#1
GND
TTXD1
DDCD#1