ASRock B450M Steel Legend User Manual - Page 13

Motherboard Layout, B450M, STEEL, LEGEND

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1.3 Motherboard Layout 1 PS2 Keyboard/ Mouse USB 2.0 T: USB1 B: USB2 ATX12V1 B450M Steel Legend 23 4 5 6 CPU_FAN2/WP CPU_FAN1 1 AMD_FAN_LED1 DP1 HDMI1 B450M STEEL LEGEND 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 USB 3.1 Gen1 T: USB3_3 B: USB3_4 USB 3.1 Gen1 T: USB3_1 B: USB3_2 USB 3.1 Gen2 T: USB31_TA_1 B: USB31_TC_1 RJ-45 LAN Top: USB3_56 Central/Bass LINE IN Center: REAR SPK Bottom: Optical SPDIF 26 RoHS Bottom: MIC IN CHA_FAN1/WP Top: Center: FRONT M2_1 1 PCIE1 M2_1_CT1 M2_1_CT2 M2_1_CT3 SATA3_3 SATA3_1 PCIE2 USB 3.1 Gen2 Ultra M.2 PCIe Gen3 x4 Super I/O CMOS Battery AMD Promontory B450 HD_AUDIO1 1 ADDR_LED1 1 RGB_HEADER1 1 PCIE3 TPMS1 1 COM1 1 M2_2_CT4 M2_2_CT3 M2_2_CT2 M2_2_CT1 USB_3_4 1 USB_5_6 1 CHA_FAN3/WP CHA_FAN2/WP CLRCMOS1 1 CI1 1 PANEL1 SPK_PLED1 PLED PWRBTN 1 1 HDLED RESET M2_2 25 24 23 22 21 20 19 18 17 16 15 14 13 SATA3_2 SATA3_4 7 8 9 10 11 12 English 7

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B450M Steel Legend
7
English
1.3
Motherboard Layout
3
4
2
7
5
6
8
9
10
11
1
15
17
16
13
12
18
19
14
ATXPWR1
Super
I/O
CLRCMOS1
1
PCIE2
HD_AUDIO1
1
CPU_FAN2/WP
RJ-45
LAN
SOCKET AM4
USB 3.1 Gen2
1
COM1
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
PCIE3
M
2_2
M2_2_CT2
M2_2_CT3
M2_2_CT4
M2_2_CT1
AMD
Promontory
B450
AMD_FAN_LED1
1
M2_1_CT3
M2_1_CT2
M2_1_CT1
1
USB_5_6
TPMS1
1
SA
TA3_3
SA
TA3_4
SA
TA3_1
SA
TA3_2
21
20
22
26
B450M
STEEL
LEGEND
USB 3.1 Gen1
T: USB3_3
B: USB3_4
USB 3.1 Gen2
T: USB31_TA_1
B: USB31_TC_1
HDMI1
USB 2.0
T: USB1
B: USB2
PS2
Keyboard/
Mouse
CPU_FAN1
CI1
1
CHA_FAN2/WP
CHA_FAN3/WP
1
USB_3_4
RGB_HEADER1
1
ADDR_LED1
1
24
23
25
DP1
USB 3.1 Gen1
T: USB3_1
B: USB3_2
Top:
Central/Bas
s
Center:
REAR
SPK
Top:
LINE IN
Center:
FRONT
Bottom:
Optical
SPDIF
Bottom:
MI
CI
N