ASRock B550M Pro4 User Manual - Page 13

Motherboard Layout - am4 amd b550

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B550M Pro4 1.3 Motherboard Layout 1 23 45 31 PS2 Keyboard/ Mouse HDMI1 DISPLAY1 AT X 1 2 V 1 USB 2.0 T: USB1 B: USB2 USB 3.2 Gen2 T: USB31_TA_1 B: USB31_TC_1 USB 3.2 Gen1 T: USB1 B: USB2 SOCKET AM4 B550M Pro4 CPU_FAN2/WP CPU_FAN1 RGB_LED1 1 1 ADDR_LED1 ATXPWR1 DDR4_A1 (64 bit, 288-pin module) DDR4_A2 (64 bit, 288-pin module) DDR4_B1 (64 bit, 288-pin module) DDR4_B2 (64 bit, 288-pin module) F_USB3_1_2 RJ-45 LAN SATA3_3 USB 3.2 Gen1 T: USB3 B: USB4 Top: LINE IN Center: FRONT Bottom: MIC IN CHA_FAN1/WP PCIE1 SPI_TPM_J1 1 M2_3 M2_1 LAN Super I/O PCIE2 RoHS NUT1 CMOS Battery AUDIO CODEC HD_AUDIO1 1 RGB_LED2 1 ADDR_LED2 1 PCIE3 CLRCMOS1 1 1 COM1 CHA_FAN3 /WP CHA_FAN2 /WP USB_5_6 1 USB_3_4 1 BOOT VGA DRAM CPU 1 SATA3_4 AMD Promontory B550 SATA3_6 CHA_FAN4/WP F_USB3_3_4 1 PANEL1 SPK_PLED1 PLED PWRBTN 1 1HDLED RESET M2_2 SATA3_5 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 SATA3_1 SATA3_2 6 7 8 9 10 11 12 13 14 15 English 7

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English
7
B550M Pro4
4
3
8
5
9
11
13
14
1
18
19
16
15
22
17
AT
XPWR1
Super
I/O
CLRCMOS1
1
PCIE1
HD_AUDIO1
1
CPU_FAN2/WP
SOCKET AM4
F_USB3_1_2
1
CHA_FAN1/WP
1
RoHS
SPK_PLED1
1
DDR4_A1 (64
bit, 2
88-pin m
odule
)
DDR4_A2 (64
bit, 2
88-pin m
odule
)
DDR4_B1 (64
bit, 2
88-pin m
odule
)
DDR4_B2 (64
bit, 2
88-pin m
odule
)
PCIE2
PCIE3
HDLED
RESET
PLED
PWRBTN
PANEL1
M
2_2
M
2_1
AMD
Promontory
B550
1
USB_3_4
SA
TA3_4
SA
TA3_3
SA
TA3_6
SA
TA3_5
23
31
CPU_FAN1
CHA_FAN4/WP
1
USB_5_6
29
28
30
ATX12V1
2
ADDR_LED1
1
1
RGB_LED1
7
6
SA
TA3_1
SA
TA3_2
10
1
SPI_TPM_J1
1
F_USB3_3_4
24
CHA_FAN2
/WP
25
CHA_FAN3
/WP
RGB_LED2
1
ADDR_LED2
1
CMOS
Battery
LAN
AUDIO
CODEC
12
27
21
CPU
DRAM
VGA
BOOT
20
M
2_3
NUT1
1
COM1
26
B550M Pro4
Top:
LINE
IN
Center:
FRONT
Bottom:
MI
C
IN
RJ-45
LAN
USB 3.2 Gen1
T: USB3
B: USB4
USB 3.2 Gen1
T: USB1
B: USB2
USB 3.2 Gen2
T: USB31_TA_1
B: USB31_TC_1
USB 2.0
T: USB1
B: USB2
PS2
Keyboard/
Mouse
DISPL
AY
1
HDMI1
1.3 Motherboard Layout