ASROCK Rack X570D4I-2T, User Manual

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English
Thermal Sensor Header
(3-pin TR1)
(see p.6, No. 6)
1
TR1 TR1
GND
Please connect the thermal
sensor cable to either pin 1-2
or pin 2-3 and the other end to
the device which you wish to
monitor its temperature.
PWM Configuration
Header
(3-pin PWM_CFG1)
(see p.6, No. 20)
GND
SMB_DATA_VSB
SMB_CLK_VSB
1
This header is used for PWM
configurations.
OCuLink Connectors
(OCU1)
(see p.6, No.9)
(OCU2)
(see p.6, No. 11)
OCU2
OCU1
Please connect PCIE SSDs or
OCulink-to-SATA x4 cable to
the connectors.
Serial Port Header
(9-pin COM1)
(see p.6, No. 23)
CCTS#
1
RRTS#1
DDSR#1
DDTR#1
RRXD1
GND
TTXD1
DDCD#1
RRI#1
This COM header supports a
serial port module.
Clear CMOS Pad
(CLRMOS1)
(see p.6, No. 18) CLRMOS1 allows you to clear
the data in CMOS. To clear
CMOS, take out the CMOS
battery and short the Clear
CMOS Pad.
Chassis Speaker Header
(4-pin SPEAKER1)
(see p.6, No. 16)
1
+5V
DUMMY
DUMMY
SPEAKER
Please connect the chassis
speaker to this header.
PSU SMBus
(PSU_SMB1)
(see p.6, No. 5)
+3V
1
ALERT
SMBCLK
GND
SMBDATA
PSU SMBus monitors the
status of the power supply, fan
and system temperature.