ASROCK B75 Pro3, User Manual

Page: 13 / 68

13
1.3 Motherboard Layout
1 CPU Fan Connector (CPU_FAN1)
2 CPU Fan Connector (CPU_FAN2)
3 1155-Pin CPU Socket
4 ATX 12V Power Connector (ATX12V1)
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 USB 3.0 Header (USB3_2_3, Black)
9 Intel B75 Chipset
10 Chassis Fan Connector (CHA_FAN2)
11 SPI Flash Memory (64Mb)
12 SATA2 Connector (SATA2_4, Black)
13 SATA2 Connector (SATA2_5, Black)
14 SATA2 Connector (SATA2_3, Black)
15 SATA2 Connector (SATA2_2, Black)
16 Chassis Speaker Header (SPEAKER1, Black)
17 SATA2 Connector (SATA2_1, Black)
18 SATA3 Connector (SATA3_0, Gray)
19 SATA3 Connector (SATA3_A0, Gray)
20 SATA3 Connector (SATA3_A1, Gray)
21 System Panel Header (PANEL1, Black)
22 Power LED Header (PLED1)
23 USB 2.0 Header (USB6_7, Black)
24 Clear CMOS Jumper (CLRCMOS1)
25 USB 2.0 Header (USB4_5, Black)
26 Consumer Infrared Module Header
(CIR1, Gray)
27 Infrared Module Header (IR1)
28 COM Port Header (COM1)
29 HDMI_SPDIF Header (HDMI_SPDIF1, Black)
30 Front Panel Audio Header
(HD_AUDIO1, Black)
31 PCI Express 2.0 x1 Slot (PCIE3, Black)
32 PCI Slot (PCI2, Black)
33 PCI Express 2.0 x16 Slot (PCIE2, Black)
34 PCI Slot (PCI1, Black)
35 PCI Express 3.0 x16 Slot (PCIE1, Black)
36 Power Fan Connector (PWR_FAN1)
37 Chassis Fan Connector (CHA_FAN1)
V
G
A
1
D
V
I1
H
D
M
I1
Top:
RJ-45
USB 2.0
T: USB2
B: USB3
USB 3.0
T: USB0
B: USB1
P
S
2
K
e
y
b
o
a
rd
US
B
2.
0
T:
USB0
B:
USB1
ATX12V1
D
D
R
3
_
A
1
(
6
4 b
it
, 2
4
0
-p
in
m
o
d
u
le
)
D
D
R
3
_
A
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
)
D
D
R
3
_
B
2
(
6
4 b
it
, 2
4
0
-p
in
m
o
d
u
le
)
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 I
N
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 I
N
Intel
B75
A
T
X
P
W
R
1
64Mb
BIOS
1
U
S
B
3
_
2
_
3
CMOS
Battery
Super
I/O
AUDIO
CODEC
HD_AUDIO1
1
PCIE1
PCIE2
PCI1
PCI2
PCIE3
COM1
1
IR1
1
USB4_5
1
CIR1
1
USB6_7
1
CLRCMOS1
1
HDLED RESET
PLED PWRBTN
PANEL1
1
1
SPEAKER1
B75 Pro3
PCI Express 3.0
XFast RAM
XFast USB
XFast LAN
E
rP
/E
u
P
R
e
a
d
y
D
e
s
ig
n
e
d i
n T
a
ip
e
i
RoHS
D
D
R
3
LAN
PHY
Front USB 3.0
CPU_FAN1
CPU_FAN2
PWR_FAN1
SATA3_A1
SATA3_A0
SATA2_1
SATA3_0
S
A
T
A
2
_
2
S
A
T
A
2
_
3
S
A
T
A
2
_
4
SATA2_5
CHA_FAN1
1
HDMI_SPDIF1
CHA_FAN2
PLED1
1
1 2 3 4 5 6
7
19.3cm (7.6 in)
3
0
.5
c
m (
1
2
.0 i
n
)
8
9
10
11
12
13
14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
31
32
33
34
35
36
37