Motherboard Layout - ASROCK B450M/ac R2.0 User Manual

1.3 Motherboard Layout

M2_WIFI
USB 2.0
T: USB1
B: USB2
USB 3.2 Gen1
T: USB1
B: USB2
USB 3.2 Gen1
T: USB3
B: USB4
CHA_FAN1
23
B450M/ac
HD_AUDIO1
ADDR_LED1
1
22 21
1
ATX12V1
Ultra M.2
PCIe Gen3 x4
BIOS
ROM
M2_1_CT1 M2_1_CT2 M2_1_CT3
PCIE1
PCIE2
RGB_HEADER1
1
20
2 3
CPU_FAN1
AMD
Promontory
B450
CMOS
Battery
USB_3_4
USB_5_6
CHA_FAN2
CLRCMOS1
1 1 1
19 18 17 16
B450M/ac R2.0
4 5
1
AMD_FAN_LED1
6
7
1
8
9
1
10
11
12
RoHS
PANEL1
SPK_PLED1
PLED PWRBTN
CI1
1 1
HDLED RESET
15
14 13
7