English
1
B660M Steel Legend
Motherboard Layout
Intel
B660
A
T
X
P
W
R
1
HDLED RESET
PLED PWRBTN
PANEL1
1
1
1
1
3
CPU_FAN1
2
1
PCIE1
1
D
D
R
4
_
A
2
(
6
4
b
it
,
2
8
8
-p
in
m
o
d
u
le
)
D
D
R
4
_
A
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
)
D
D
R
4
_
B
1
(
6
4
b
it
, 2
8
8
-p
in
m
o
d
u
le
)
6
ATX12V1
U
S
B
3
_
5
_
6
CLRMOS1
1
1
HD_AUDIO1
Top:
RJ-45
CHA_FAN1/WP
8
9
5
USB_5_6
25
PCIE2
29
USB 3.2 Gen1
T: USB3_4
B: USB3_3
U
S
B
2
.0
T
: U
S
B
_
1
B
: U
S
B
_
2
P
S
2
K
e
y
b
o
a
r
d
/M
o
u
s
e
1
A
D
D
R
_
L
E
D
3
7
SPI_TPM_J1
ADDR_LED1
1
RGB_LED1
1
CHA_FAN3/WP
24
27
USB_3_4
CPU_FAN2/WP
13
14
SATA3_A1
USB 3.2 Gen1
T:
USB3_2
B:
USB3_1
11
17
21
20
28
M
2
_
2
M
2
_
W
IF
I
M
2
_
1
CMOS
Battery
S
A
T
A
3
_
2
S
A
T
A
3
_
3
F
_
U
S
B
3
_
T
C
_
1
10
SATA3_A2
18
BIOS
ROM
26
CHA_FAN2/WP
23
SPK_CI1
1
22
H
D
M
I1
L A N
AUDIO
CODEC
DRAM
CPU
VGA
BOOT
1
A
D
D
R
_
L
E
D
2
19
D
P
1
S
A
T
A
3
_
0
S
A
T
A
3
_
1
12
15
PCIE3
RoHS
T
o
p
:
Central/Bass
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
16
BIOS
_FLBK
4
