Onboard Headers And Connectors - ASROCK B550D4ID-2L2T User Manual

2.7 Onboard Headers and Connectors

Onboard headers and connectors are NOT jumpers. Do NOT place jumper caps over these
headers and connectors. Placing jumper caps over the headers and connectors will cause
permanent damage to the motherboard.
Auxiliary Panel Header
(9-pin
ITX_AUX_PANEL1)
(see p.6, No. 21)
OCuLink Connector
(OCU1)
(see p.6, No.13)
USB 3.2 Gen1 Header
(19-pin USB3_5_6)
(see p.6, No. 15)
LAN1_ACT#
LED_PWR
LED_PWR
LAN2_ACT#
1
SYSTEM_FAULT_LED_P
SYSTEM_FAULT_LED_N
GND
CASEOPEN#
O CU1
O CU2
IntA_P_D +
IntA_P_D -
GN D
IntA_P_SSTX+
IntA_P_SSTX-
GN D
IntA_P_SSRX +
IntA_P_SSRX -
Vbu s
Vbu s
IntA_P_SSRX -
IntA_P_SSRX +
GN D
IntA_P_SSTX-
IntA_P_SSTX+
IntA_P_D -
This header supports multiple
functions on the front panel,
including front panel SMB,
internet status indicator.
Please connect an OCulink-
to-SATA x4 cable to the
connector.
ID
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.
1
GN D
IntA_P_D +
B550D4ID-2L2T
19