Motherboard Layout
ATX12V1
USB 3.1 Gen2
T: USB31_TA_1
B: USB31_TC_1
USB 3.1 Gen1
T: USB1
B: USB2
USB 3.1 Gen1
T: USB3
B: USB4
CHA_FAN1/WP
27
HD_AUDIO1
26
1
BIOS
ROM
PCIE1
PCIE2
1
FATAL
TY
PCIE3
PCIE4
PCIE5
PCIE6
COM1
RGB_LED1
TPMS1
1
1
1
23
25
24
Fatal1ty B450 Gaming K4 Series
2
1
Ultra M.2
PCIe Gen3 x4
CMOS
AMD
Battery
Promontory
B450
RoHS
CHA_FAN2/WP
USB_1_2
USB_3_4
ADDR_LED1
CLRCMOS2
1
1
1
1
22
21
20
19
18
4
5
3
AMD_FAN_LED1
CPU_FAN2/WP
CPU_FAN1
6
7
1
8
9
10
11
12
13
SPK_PLED1
14
1
PANEL1
CHA_FAN3/WP
PLED PWRBTN
1
HDLED RESET
17
16
15
1