2
ASRock H77M Motherboard
English
Motherboard Layout
1
ATX 12V Power Connector (ATX12V1)
2
CPU Fan Connector (CPU_FAN1)
3
CPU Fan Connector (CPU_FAN2)
4
1155-Pin CPU Socket
5
2 x 240-pin DDR3 DIMM Slots
(DDR3_A1, DDR3_B1, Black)
6
ATX Power Connector (ATXPWR1)
7
USB 3.0 Header (USB3_0_1, Black)
8
SATA3 Connector (SATA3_1, Gray)
9
SATA3 Connector (SATA3_0, Gray)
10
SATA2 Connector (SATA2_2, Black)
11
SATA2 Connector (SATA2_3, Black)
12
SATA2 Connector (SATA2_4, Black)
13
SATA2 Connector (SATA2_5, Black)
14
SPI Flash Memory (64Mb)
15
Intel H77 Chipset
16
System Panel Header (PANEL1, Black)
17
Chassis Speaker Header (SPEAKER1, Black)
18
Clear CMOS Jumper (CLRCMOS1)
19
USB 2.0 Header (USB6_7, Black)
20
Consumer Infrared Module Header
(CIR1, Gray)
21
USB 2.0 Header (USB8_9, Black)
22
Chassis Fan Connector (CHA_FAN1)
23
Print Port Header (LPT1, Black)
24
COM Port Header (COM1)
25
Infrared Module Header (IR1)
26
PCI Express 2.0 x16 Slot (PCIE2, Black)
27
PCI Slots (PCI1-2, Black)
28
HDMI_SPDIF Header
(HDMI_SPDIF1, Black)
29
PCI Express 3.0 x16 Slot (PCIE1, Black)
30
Front Panel Audio Header
(HD_AUDIO1, Black)
31
Chassis Fan Connector (CHA_FAN2)
32
Power Fan Connector (PWR_FAN1)
Intel
H77
A
T
X
P
W
R
1
Designed in Taipei
21.6cm (8.5 in)
2
4
.4
c
m
(9
.6
in
)
D
D
R
3
_
A
1
(6
4
b
it
,
2
4
0
-p
in
m
o
d
u
le
)
D
D
R
3
_
B
1
(6
4
b
it
,
2
4
0
-p
in
m
o
d
u
le
)
D
D
R
3
PCIE1
PCI2
Top:
RJ-45
USB 2.0
T: USB4
B: USB5
USB 2.0
T: USB0
B: USB1
P
S
2
K
e
y
b
o
a
rd
USB 3.0
T: USB2
B: USB3
T
o
p
:
C
T
R
B
A
S
S
C
e
n
te
r:
R
E
A
R
S
P
K
B
o
tt
o
m
:
O
p
tic
a
l
S
P
D
IF
T
o
p
:
L
IN
E
IN
C
e
n
te
r:
F
R
O
N
T
B
o
tt
o
m
:
M
IC
IN
Super
I/O
CMOS
Battery
ATX12V1
PWR_FAN1
CPU_FAN1
PCI Express 3.0
ErP/EuP Ready
LAN
PHY
1
HD_AUDIO1
1
HDMI_SPDIF1
AUDIO
CODEC
COM1
1
RoHS
IR1
1
USB6_7
1
USB8_9
1
CLRCMOS1
1
64Mb
BIOS
1
S
A
T
A
3
_
0
S
A
T
A
3
_
1
HDLED RESET
PLED PWRBTN
PANEL1
1
SPEAKER1
CPU_FAN2
1
LPT1
1
2
3
4
5
6
11
12
13
14
10
7
8
9
16
15
17
18
24
19
20
21
22
23
25
26
27
28
29
30
31
32
Front USB 3.0
X
Fast USB
V
G
A
1
D
V
I1
H
D
M
I1
USB 2.0
T: USB2
B: USB3
S
A
T
A
2
_
4
S
A
T
A
2
_
5
U
S
B
3
_
0
_
1
CHA_FAN1
CIR1
1
CHA_FAN2
PCI1
PCIE2
S
A
T
A
2
_
2
S
A
T
A
2
_
3
H77M
X
Fast LAN
X
Fast RAM