ASROCK X370M Pro4 R2.0 Quick Installation Manual page 3

Motherboard Layout
USB 2.0
T: USB1
B: USB2
ATX12V1
USB 3.1 Gen1
T: USB2
B: USB3
USB 3.1 Gen1
T: USB4
B: USB5
CHA_FAN1
PCIE1
HD_AUDIO1
BIOS
ROM
M2_1_CT1 M2_1_CT2 M2_1_CT3
PCIE2
CMOS
Battery
PCIE3
COM1
TPMS1
CLRCMOS1
1
1
1
1
RGB_HEADER1
CPU_FAN1
Ultra M.2
PCIe Gen3 x4
AMD
Promontory
X370 /
B350 / A320
RoHS
M2_2_CT4 M2_2_CT3 M2_2_CT2 M2_2_CT1
SPK_PLED1
USB_2_4 USB_2_3
CHA_FAN2
1
1
1
X370M Pro4 R2.0
AB350M Pro4 R2.0
A320M Pro4 R2.0
1
AMD_FAN_LED1
1
1
PANEL1
PLED PWRBTN
1
HDLED RESET
1