ASRock B550M-ITX/ac User Manual - Page 13
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1.3 Motherboard Layout B550M-ITX/ac DP1 HDMI1 BAT1 16 ATX12V1 USB 3.2 Gen1 T: USB1 B: USB2 USB 2.0 T: USB1 B: USB2 PS2 Keyboard /Mouse RJ-45 LAN USB 3.2 Gen1 T: USB3_3 B: USB3_TC_1 Top: LINE IN Center: FRONT Bottom: MIC IN M2_WIFI1 1 HD_AUDIO1 1 SPEAKER1 15 14 1 2 3 4 5 CPU_FAN1 1 1 ADDR_LED1 RGB_LED1 CHA_FAN1 /WP 6 ATXPWR1 B550M-ITX/ac SATA3_1_3 DDR4_B1 (64 bit, 288-pin module) DDR4_A1 (64 bit, 288-pin module) SOCKET AM4 RoHS AMD B550 PCIE1 M2_1 PANEL1 PLED PWRBTN HDLED RESET USB_3_4 SATA3_2_4 7 8 1 USB3_4_5 9 10 11 1 1 CLRCMOS1 1 12 13 CHA_FAN2/WP English 7
English
7
B550M-ITX/ac
1.3 Motherboard Layout
8
10
11
13
14
15
7
5
9
3
2
1
4
6
DDR4_B1 (6
4 bit
, 2
88-pin module
)
DDR4_A1 (6
4 bit
, 2
88-pin module
)
AT
XPWR1
PCIE1
HDLED
RESET
PLED
PWRBTN
PANEL1
1
1
1
HD_AUDIO1
SA
TA
3_1_3
USB_3_4
1
CPU_FAN1
AMD
B550
SOCKET AM4
CLRCMOS1
RGB_LED1
1
1
ADDR_LED1
1
USB3_4_5
HDMI1
SA
TA
3_2_4
M
2_1
DP
1
CHA_FAN2/WP
CHA_FAN1
/WP
1
SPEAKER1
Top:
LINE
IN
Center:
FRONT
Bottom:
MI
C
IN
M2_WIFI1
B550M-ITX/a
c
RoHS
USB 3.2 Gen1
T: USB3_3
B: USB3_TC_1
RJ-45
LAN
USB 3.2 Gen1
T: USB1
B: USB2
USB 2.0
T: USB1
B: USB2
PS2
Keyboard
/Mouse
ATX12V1
16
12
BAT1