ASRock B450 Pro4 User Manual - Page 12

Motherboard Layout, ATXPWR1

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USB 2.0 T: USB5 B: USB6 PS2 Keyboard /Mouse 1.3 Motherboard Layout 1 ATX12V1 B450 Pro4 23 45 1 AMD_FAN_LED1 CPU_FAN2/WP CPU_FAN1 VGA1 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 DISPLAY1 HDMI1 27 Top: LINE IN Center: FRONT Bottom: MIC IN 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 RJ-45 LAN BIOS ROM PCIE1 PCIE2 M2_1 1 Ultra M.2 PCIe Gen3 x4 USB3_5_6 Super I/O PCIE3 PCIE5 CMOS Battery PCIE4 B450 Pro4 AMD Promontory B450 M2_2 HD_AUDIO1 1 PCIE6 TPMS1 1 RGB_LED1 1 COM1 1 RoHS USB_1_2 1 SPK_PLED1 USB_3_4 ADDR_LED1 CHA_FAN2/WP CHA_FAN3/WP CLRCMOS2 1 PANEL1 PLED PWRBTN 1 1 1 1 HDLED RESET SATA3_1 SATA3_2 SATA3_4 SATA3_3 SATA3_A2 SATA3_A1 6 7 8 9 10 11 12 13 14 26 25 24 23 22 21 20 19 18 17 16 15 7 English

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B450 Pro4
7
English
1.3
Motherboard Layout
3
4
2
6
5
7
8
10
11
1
15
16
18
17
13
12
19
14
21
20
22
25
BIOS
ROM
ATXPWR1
Super
I/O
CLRCMOS2
1
1
USB_3_4
HD_AUDIO1
1
Top:
LINE
IN
Center:
FRONT
Bottom:
MI
C
IN
RJ-45
LAN
SOCKET AM4
1
COM1
HDMI1
CMOS
Battery
ATX12V1
M
2_1
Ultra M.2
PCIe Gen3 x4
USB3_5_6
1
CHA_FAN1/WP
HDLED
RESET
PLED
PWRBTN
PANEL1
1
RoHS
SPK_PLED1
1
DDR4_A1 (64
bit, 2
88-pin m
odule
)
DDR4_A2 (64
bit, 2
88-pin m
odule
)
DDR4_B1 (64
bit, 2
88-pin m
odule
)
DDR4_B2 (64
bit, 2
88-pin m
odule
)
PCIE1
M
2_2
AMD
Promontory
B450
USB 3.1 Gen1
T: USB1
B: USB2
USB 3.1 Gen1
T: USB3
B: USB4
AMD_FAN_LED1
1
1
USB_1_2
TPMS1
1
SA
TA3_1
SA
TA3_2
SA
TA3_A1
B450 Pro4
PCIE2
PCIE3
PCIE5
PCIE6
PCIE4
CHA_FAN2/WP
CHA_FAN3/WP
SA
TA3_A2
SA
TA3_3
SA
TA3_4
USB 3.1 Gen2
T: USB31_TA_1
B: USB31_TC_1
USB 2.0
T: USB5
B: USB6
PS2
Keyboard
/Mouse
26
27
VGA1
DISPLAY1
CPU_FAN2/WP
CPU_FAN1
1
ADDR_LED1
1
RGB_LED1
9
23
24