Motherboard Layout - ASROCK B550D4ID-2L2T User Manual

1.4 Motherboard Layout

1
LED_LAN_3_4
UID1
DDR4_B2
25
DDR4_B1
UID_LED1
24
DDR4_A2
DDR4_A1
VGA1
ASPEED
AST2500
HDMI1
PCIE7
6
2 3
20.8cm (8.2 in)
SATA_PWR1
(FOR HDD POWER)
NCSI1
BAT1
BMC
ROM
4 5
PSU_SMB1
ATX12V1 ATX12V2
TPM1
CLRCMOS1
OCU1
TPM_BIOS_PH1
USB3_5_6
COM1 ITX_AUX_PANEL1
FAN3
PWM_CFG1
23 22 21 20
6
7
ATX4PIN1
FAN1
8
9
FAN2
M2_1 10
11
12
13
NUT80_1
14
15
IPMB1
16
17
BMC_SMB1
NUT110_1
T 1 R SPEAKER1
19 18