ASROCK B450 Steel Legend, Manual

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1
English
B450 Steel Legend
Motherboard Layout
3 4 2
7
5 6
8
9
10
11
1
15 17 16
13
12
14
A
T
X
P
W
R
1
Super
I/O
CLRCMOS2
1
PCIE1
HD_AUDIO1
1
CPU_FAN2/WP
R
J-
45
L
A
N
S
O
C
K
E
T
A
M
4
USB 3.1 Gen2
1
COM1
CMOS
Battery
ATX12V1
Ultra M.2
PCIe Gen3 x4
U
S
B
3
_
5
_
6
1
CHA_FAN1/WP
HDLED RESET
PLED PWRBTN
PANEL1
1
RoHS
SPK_PLED1
1
D
D
R
4
_
A
1
(6
4
b
it
,
2
8
8
-p
in
m
o
d
u
le
)
D
D
R
4
_
A
2
(6
4
b
it
,
2
8
8
-p
in
m
o
d
u
le
)
D
D
R
4
_
B
1
(6
4
b
it
,
2
8
8
-p
in
m
o
d
u
le
)
D
D
R
4
_
B
2
(6
4
b
it
,
2
8
8
-p
in
m
o
d
u
le
)
PCIE2
PCIE4
M
2
_
1
AMD
Promontory
B450
AMD_FAN_LED1
1
1
USB_3_4
TPMS1
1
S
A
T
A
3
_
1
21 20
B
4
5
0
S
T
E
E
L
L
E
G
E
N
D
USB 3.1 Gen1
T: USB3_3
B: USB3_4
USB 3.1 Gen2
T: USB31_TA_1
B: USB31_TC_1
H
D
M
I1
USB 2.0
T: USB5
B: USB6
P
S
2
K
e
y
b
o
a
rd
/
M
o
u
s
e
CPU_FAN1
CHA_FAN3/WP
CHA_FAN2/WP
1
USB_1_2
RGB_LED1
1
ADDR_LED1
1
24 23
D
P
1
USB 3.1 Gen1
T: USB3_1
B: USB3_2
T
o
p
:
Central/Bas
s
C
e
n
te
r:
R
E
A
R
S
P
K
T
o
p
:
L
IN
E
IN
C
e
n
te
r:
F
R
O
N
T
B
o
tt
o
m
:
O
p
ti
c
a
l
S
P
D
IF
B
o
tt
o
m
:
M
IC
IN
PCIE3
PCIE5
PCIE6
S
A
T
A
3
_
2
S
A
T
A
3
_
A
1
S
A
T
A
3
_
A
2
S
A
T
A
3
_
3
S
A
T
A
3
_
4
M
2
_
2