15
1.3 Motherboard Layout
1
ATX 12V Power Connector (ATX12V1)
2
1155-Pin CPU Socket
3
CPU Fan Connector (CPU_FAN1)
4
CPU Fan Connector (CPU_FAN2)
5
Power Fan Connector (PWR_FAN1)
6
2 x 240-pin DDR3 DIMM Slots
(DDR3_A1, DDR3_B1, Black)
7
2 x 240-pin DDR3 DIMM Slots
(DDR3_A2, DDR3_B2, Black)
8
ATX Power Connector (ATXPWR1)
9
USB 3.0 Header (USB3_2_3, Black)
10
Chassis Fan Connector (CHA_FAN3)
11
Intel Z77 Chipset
12
SATA3 Connectors (SATA3_0_1, Gray)
13
SATA2 Connectors (SATA2_2_3, Black)
14
SATA2 Connectors (SATA2_4_5, Black)
15
Chassis Speaker Header (SPEAKER1, Black)
16
System Panel Header (PANEL1, Black)
17
Power LED Header (PLED1)
18
Clear CMOS Jumper (CLRCMOS1)
19
SPI Flash Memory (64Mb)
20
Chassis Fan Connector (CHA_FAN1)
21
USB 2.0 Header (USB6_7, Black)
22
USB 2.0 Header (USB4_5, Black)
23
Consumer Infrared Module Header
(CIR1, Gray)
24
COM Port Header (COM1)
25
HDMI_SPDIF Header
(HDMI_SPDIF1, Black)
26
Infrared Module Header (IR1)
27
Front Panel Audio Header
(HD_AUDIO1, Black)
28
PCI Express 2.0 x16 Slot (PCIE4, Black)
29
PCI Slot (PCI2, Black)
30
PCI Express 3.0 x16 Slot (PCIE3, Black)
31
PCI Slot (PCI1, Black)
32
PCI Express 3.0 x16 Slot (PCIE2, Black)
33
PCI Express 2.0 x1 Slot (PCIE1, Black)
34
Chassis Fan Connector (CHA_FAN2)
Intel
Z77
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
U
S
B
3
_
2
_
3
CPU_FAN2
AUDIO
CODEC
LAN
PHY
1
HD_AUDIO1
1
HDMI_SPDIF1
COM1
1
CLRCMOS1
1
IR1
1
CIR1
1
USB6_7
1
HDLED RESET
PLED PWRBTN
PANEL1
1
PLED1
1
1
SPEAKER1
PCIE1
PCIE2
PCIE3
PCI1
CHA_FAN1
H
D
M
I1
USB 3.0
T: USB0
B: USB1
Top:
RJ-45
USB 2.0
T: USB2
B: USB3
21.8cm (8.6 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
D
D
R
3
2
8
0
0
+
RoHS
Front USB 3.0
Z77 Extreme3
X
Fast USB
X
Fast LAN
PCI Express 3.0
E
rP
/E
u
P
R
e
a
d
y
X
ast RAM
F
T
o
p
:
S
ID
E
S
P
K
C
e
n
te
r:
R
E
A
R
S
P
K
B
o
tt
o
m
:
C
T
R
B
A
S
S
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
USB4_5
1
PWR_FAN1
PCIE4
PCI2
CHA_FAN2
CHA_FAN3
V
G
A
1
D
V
I1
S
A
T
A
2
_
4
_
5
S
A
T
A
2
_
2
_
3
S
A
T
A
3
_
0
_
1