6
7
English
1.4 Motherboard Layout
24.4cm (9.6 in)
3
0
.5
c
m
(1
2
in
)
ATXPWR1
V
G
A
DDR4_A2 (64 bit, 288-pin module)
DDR4_A1 (64 bit, 288-pin module)
DDR4_B2 (64 bit, 288-pin module)
DDR4_B1 (64 bit, 288-pin moule)
ATX12V1
U
S
B
3
.2
G
e
n
1
T
: U
S
B
2
B
: U
S
B
1
IP
M
I_
L
A
N
USB3_5_6
PCIE6
PCIE4
ASPEED
AST2500
B550D4-4L
Socket
AM4 PGA 1331
SATA1
1
AUX_PANEL1
HDLED RESET
PLED PWRBTN
PANEL1
1
BAT1
1
TPM1
BUZZER1
RoHS
2
3
1
5
9
8
10
11
12
13
14
16
17
18
19
20
24
27
15
31
33
6
7
FAN1
1
FRNT_VGA1
FAN2
SATA2
SATA3
SATA4
ATX12V2
FAN5
FAN3
FAN6
FAN4
USB_1_2
1
USB3_7
1
SPEAKER1
COM2
1
Dr.
Debug
1
T 1
R
34
AMD
B550
BIOS
ROM
1
TPM_BIOS_PH1
1
22
23
30
U
S
B
3
.2
G
e
n
2
T
: U
S
B
4
B
: U
S
B
3
L
A
N
1
C
O
M
1
L
A
N
2
HDMI1
L
A
N
3
NUT110_2
M
2
_
1
SATA5
SATA6
1
LED_LAN_3_4
26
1
IPMB_1
BMC_SMB_1
NUT80_2
NUT42_2
BMC
ROM
PSU_SMB1
UID1
4
21
25
28
29
32
L
A
N
4
