EPYC3451D4U-2L2T2O8R
20
21
English
OCuLink X4 Connectors
(OCU2)
(see p.6, No. 19)
(OCU3)
(see p.6, No. 35)
(OCU4)
(see p.6, No. 34)
(OCU5)
(see p.6, No. 18)
(OCU6)
(see p.6, No. 24)
OCU1
OCU2
OCU3
OCU4
OCU5
OCU6
Please connect PCIE SSDs to
these connectors.
USB 3.2 Gen1 Header
(19-pin USB3_3_4)
(see p.6, No. 23)
1
Dummy
GND
GND
Vbus
GND
GND
IntA_
Vbus
In
IntA_PA_D-
IntA_
IntA_PA_SSTX-
IntA_PA_SSRX-
IntA_PB_SSRX-
IntA_
IntA_PB_SSTX-
IntA_P
IntA_PB_D-
In
Besides two default USB 3.2
Gen1 ports on the I/O panel,
there is one USB 3.2 Gen1
header on this motherboard.
This USB 3.2 Gen1 header
can support two USB 3.2 Gen1
ports.
PSU SMBus
(PSU_SMB1)
(see p.6, No. 3)
+3VSB
1
ALERT
SMBCLK
GND
SMBDATA
PSU SMBus monitors the
status of the power supply, fan
and system temperature.
Serial General Purpose
Input/Output Headers
(7-pin SATA_SGPIO2)
(see p.6, No. 15)
1
SLOAD
SCLOCK
GND
GND
SDATAOUT
The headers support Serial
Link interface for onboard
SATA connections.
CPU HP-SMBus
Connector
(5-pin CPU1_HSBP1)
(see p.6, No. 27)
1
+3V
GND
P0_HP_ALERT_L
CPU_HP_SDA
CPU_HP_SCL
This header is used for the hot
plug feature of HDDs on the
backplane.
