ASRock B550 Pro4 User Manual - Page 13

Motherboard Layout, PCIE3 - am4 amd

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1.3 Motherboard Layout 1 2 3 CPU_FAN2/WP ATX12V1 ATX12V2 B550 Pro4 4 CPU_FAN1 56 RGB_LED2 1 7 ADDR_LED2 1 8 PS2 Keyboard /Mouse USB 3.2 Gen1 T: USB3_1 B: USB3_2 VGA1 HDMI1 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) ATXPWR1 SOCKET AM4 USB 3.2 Gen2 T:USB31_TA_1 B: USB31_TC_1 USB 3.2 Gen1 Top: T: USB3_5 B: USB3_6 RJ-45 Top: LINE IN Center: FRONT Bottom: MIC IN USB3_7_8 31 CHA_FAN3/WP PCIE1 CT1 CT2 CT3 SPI_TPM_J1 1 Hyper M.2 PCIe Gen4 x4 CT8 SATA3_5 SATA3_6 M2_2 M2_1 SATA3_3 SATA3_4 RoHS M2_WIFI_CT1 PCIE2 AMD B550 SATA3_1 SATA3_2 SUPER I/O PCIE3 CMOS Battery AUDIO CODEC CT5 CT6 CT7 PCIE4 HD_AUDIO1 1 1 COM1 CHA_FAN4/WP RGB_LED1 CHA_FAN2/WP ADDR_LED1 1 1 1 USB_1_2 1 USB_3_4 CLRMOS1 1 M2_3 CT8 CPU DRAM VGA BOOT CHA_FAN1/WP SPK_PLED1 PANEL1 PLED PWRBTN 1 1 HDLED RESET 30 29 28 27 26 25 24 23 22 21 20 19 9 10 11 12 13 14 15 16 17 18 7 English

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B550 Pro4
7
English
1.3
Motherboard Layout
DDR4_A2
(6
4 bit
, 2
88-pin
m
odule
)
DDR4_A1
(6
4 bit
, 2
88-pin
m
odule
)
DDR4_B2
(6
4 bit
, 2
88-pin
m
odule
)
DDR4_B1
(6
4 bit, 2
88-pin
m
odule
)
ATX12V1
AT
XPWR1
PCIE3
HDLED
RESET
PLED
PWRBTN
PANEL1
1
USB_3_4
1
1
SPK_PLED1
1
HD_AUDIO1
PCIE1
RoHS
12
15
19
2
Hyper M.2
PCIe
Gen4
x4
CMOS
Battery
PCIE2
14
9
USB3_7_8
10
SA
TA3_6
SA
TA3_5
SA
TA3_4
SA
TA3_3
CLRMOS1
1
M2_2
M2_WIFI_CT1
M
2_3
C
7
C
6
C
5
3
PCIE4
T
T
T
AUDIO
CODEC
SUPER
I/O
13
20
22
23
24
30
21
6
5
CHA_FAN3/WP
CHA_FAN1/WP
CPU_FAN2/WP
ATX12V2
CPU_FAN1
4
1
18
ADDR_LED1
1
RGB_LED1
1
28
ADDR_LED2
1
RGB_LED2
1
7
8
31
CPU
DRAM
VGA
BOOT
Top:
RJ-45
USB 3.2 Gen1
T: USB3_5
B: USB3_6
PS2
Keyboard
/Mouse
Top:
LINE
IN
Center:
FRONT
Bottom
:
MI
C
IN
USB 3.2 Gen2
T:USB31_TA_1
B: USB31_TC_1
USB_1_2
1
29
C
8
T
SOCKET AM4
AMD
B550
HDMI1
VGA1
17
16
SA
TA3_2
SA
TA3_1
COM1
1
25
CHA_FAN2/WP
M
2_1
C
3
C
2
T
T
C
8
T
C
1
T
27
26
CHA_FAN4/WP
1
SPI_TPM_J1
11
USB 3.
2 Gen1
T: USB3_
1
B: USB3_2