Motherboard layout, English, Asrock a55 pro motherboard – ASRock A55 Pro User Manual
Page 2: A55 pro
2
ASRock A55 Pro Motherboard
English
Motherboard Layout
1
ATX 12V Power Connector (ATX12V1)
17
SATA2 Connector (SATA_4)
2
CPU Socket
18
Power LED Header (PLED1)
3
CPU Heatsink Retention Module
19
SATA2 Connector (SATA_6)
4
CPU Fan Connector (CPU_FAN1)
20
SATA2 Connector (SATA_5)
5
Chassis Fan Connector (CHA_FAN2)
21
USB 2.0 Header (USB8_9)
6
2 x 240-pin DDR3 DIMM Slots
22
USB 2.0 Header (USB6_7)
(Dual Channel: DDR3_A1, DDR3_B1)
23
Consumer Infrared Module Header (CIR1)
7
ATX Power Connector (ATXPWR1)
24
Infrared Module Header (IR1)
8
SATA2 Connector (SATA_1)
25
COM Port Header (COM1)
9
SATA2 Connector (SATA_2)
26
HDMI_SPDIF Header (HDMI_SPDIF1)
10
Southbridge Controller
27
Front Panel Audio Header (HD_AUDIO1)
11
SPI Flash Memory (32Mb)
28
PCI Slots (PCI1-2)
12
Chassis Fan Connector (CHA_FAN1)
29
PCI Express 2.0 x16 Slot (PCIE5)
13
Clear CMOS Jumper (CLRCMOS1)
30
PCI Express 2.0 x1 Slot (PCIE4)
14
Chassis Speaker Header (SPEAKER 1)
31
PCI Express 2.0 x1 Slot (PCIE3)
15
System Panel Header (PANEL1)
32
PCI Express 2.0 x16 Slot (PCIE2)
16
SATA2 Connector (SATA_3)
33
PCI Express 2.0 x1 Slot (PCIE1)
CMOS
Battery
D
D
R
3
_
B
1
(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
)
A
T
X
P
W
R
1
Super
I/O
PCIE2
PCI1
PCIE1
HD_AUDIO1
1
IR1
1
COM1
1
PLED1
1
CLRCMOS1
1
HDLED RESET
PLED
PWRBTN
PANEL1
1
1
SPEAKER1
HDMI_SPDIF1
1
USB6_7
CIR1
1
1
USB8_9
1
C
H
A
_
F
A
N
1
LAN
CPU_FAN1
SATA_1
32Mb
BIOS
AUDIO
CODEC
P
S
2
K
ey
b
o
ar
d
P
S
2
M
o
u
se
U
S
B
2
.0
T:
U
S
B
0
B
:
U
S
B
1
ATX12V1
U
S
B
2
.0
T:
U
S
B
4
B
:
U
S
B
5
R
J
-4
5
L
A
N
U
S
B
2
.0
T:
U
S
B
2
B
:
U
S
B
3
PCIE3
PCIE4
PCIE5
PCI2
S
O
C
K
E
T
F
M
1
CHA_FAN2
SATA_2
SATA_4
SATA_6
SATA_3
SATA_5
A55 Pro
XFast RAM
XFast LAN
XFast USB
E
rP
/E
u
P
R
e
a
d
y
D
D
R
3
2
4
0
0
+
D
u
a
l
G
ra
p
h
ic
s
RoHS
V
G
A
1
D
V
I1
T
o
p
:
L
in
e
In
C
e
n
te
r:
F
ro
n
t
B
o
tt
o
m
:
M
ic
In
1
2
18.3cm (7.2 in)
3
4
5
6
10
7
8
9
11
12
13
14
15
16
17
18
19
20
21
22
23
3
0
.5
c
m
(1
2
.0
in
)
25
26
24
27
28
29
30
31
32
33
AMD
A55 FCH
(Hudson-D2)
Chipset
DX11