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Motherboard Layout
USB 2.0
T: USB1
B: USB2
USB 3.2 Gen1
T: USB3_1
B: USB3_2
USB 3.2 Gen1
T: USB3_3
B: USB3_4
24
CHA_FAN1/WP
LAN
AUDIO
CODEC
HD_AUDIO1
RGB_LED2
1
23
22
1
ATX12V1
PCIE1
PCIE2
PCIE3
CHA_FAN2
/WP
CLRCMOS1
ADDR_LED2
1
1
20
21
19
B550M Phantom Gaming 4
2
CPU_FAN1
SPI_TPM_J1
1
Promontory
CMOS
Battery
CHA_FAN3/WP
USB_5_6
USB_3_4
1
1
18
17
16
15
3
4
RGB_LED1
1
1
ADDR_LED1
1
AMD
B550
RoHS
PANEL1
SPK_PLED1
F_USB3_3_4
PLED PWRBTN
1
1
HDLED RESET
1
12
14
13
5
6
7
8
9
10
11
1
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