2
ASRock Z77 Pro4 Motherboard
21
Power LED Header (PLED1)
22
Chassis Fan Connector (CHA_FAN2)
23
USB 2.0 Header (USB_6_7, Black)
24
USB 2.0 Header (USB_8_9, Black)
25
Consumer Infrared Module Header
(CIR1, Gray)
26
Infrared Module Header (IR1)
27
Clear CMOS Jumper (CLRCMOS1)
28
COM Port Header (COM1)
29
HDMI_SPDIF Header
(HDMI_SPDIF1, Black)
30
Front Panel Audio Header
(HD_AUDIO1, Black)
31
PCI Slot (PCI3, Black)
32
PCI Slot (PCI2, Black)
33
PCI Express 2.0 x16 Slot (PCIE3, Black)
34
PCI Slot (PCI1, Black)
35
PCI Express 3.0 x16 Slot (PCIE2, Black)
36
PCI Express 2.0 x1 Slot (PCIE1, Black)
37
Power Fan Connector (PWR_FAN1)
38
Chassis Fan Connector (CHA_FAN1)
English
Motherboard Layout
Intel
Z77
S
A
T
A
3
_
0
S
A
T
A
3
_
1
S
A
T
A
2
_
2
S
A
T
A
2
_
5
S
A
T
A
2
_
3
S
A
T
A
2
_
4
CHA_FAN2
64Mb
BIOS
D
D
R
3
_
A
2
(
6
4
b
it
, 2
4
0
-p
in
m
o
d
u
le
)
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
2
(
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
)
ATX12V1
CPU_FAN1
CMOS
Battery
Super
I/O
U
S
B
2
.0
T
: U
S
B
0
B
: U
S
B
1
P
S
2
K
e
y
b
o
a
rd
A
T
X
P
W
R
1
1
USB3_0_1
CPU_FAN2
AUDIO
CODEC
LAN
PHY
1
HD_AUDIO1
1
HDMI_SPDIF1
COM1
1
CLRCMOS1
1
IR1
1
USB_8_9
1
CIR1
1
USB_6_7
1
HDLED RESET
PLED PWRBTN
PANEL1
1
PLED1
1
1
SPEAKER1
PCIE1
PCIE2
PCIE3
PCI1
PCI2
PCI3
CHA_FAN1
PWR_FAN1
V
G
A
1
D
V
I1
HDMI1
USB 2.0
T: USB2
B: USB3
USB 3.0
T: USB2
B: USB3
Top:
RJ-45
USB 2.0
T: USB4
B: USB5
T
o
p
:
C
e
n
tr
a
l/
B
a
s
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
20.1cm (7.9 in)
3
0
.5
c
m (
1
2
.0
in
)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
18
19
15
16
17
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
D
D
R
3
2
8
0
0
+
RoHS
Front USB 3.0
Z77 Pro4
X
Fast USB
X
Fast LAN
PCI Express 3.0
D
e
s
ig
n
e
d
in
T
a
ip
e
i
E
rP
/E
u
P
R
e
a
d
y
S
A
T
A
3 6
G
b
/s
X
ast RAM
F
S
A
T
A
3
_
A
1
S
A
T
A
3
_
A
2
38
1
CPU Fan Connector (CPU_FAN1)
2
1155-Pin CPU Socket
3
ATX 12V Power Connector (ATX12V1)
4
CPU Fan Connector (CPU_FAN2)
5
2 x 240-pin DDR3 DIMM Slots
(DDR3_A1, DDR3_B1, Black)
6
2 x 240-pin DDR3 DIMM Slots
(DDR3_A2, DDR3_B2, Black)
7
ATX Power Connector (ATXPWR1)
8
SATA3 Connectors (SATA3_A1, Gray)
9
SATA3 Connectors (SATA3_A2, Gray)
10
USB 3.0 Header (USB3_0_1, Black)
11
Intel Z77 Chipset
12
SPI Flash Memory (64Mb)
13
SATA2 Connectors (SATA2_4, Black)
14
SATA2 Connectors (SATA2_3, Black)
15
SATA3 Connectors (SATA3_0, Gray)
16
SATA3 Connectors (SATA3_1, Gray)
17
SATA2 Connectors (SATA2_2, Black)
18
SATA2 Connectors (SATA2_5, Black)
19
Chassis Speaker Header (SPEAKER1, Black)
20
System Panel Header (PANEL1, Black)