2
ASRock AD2550-ITX Motherboard
Motherboard Layout
English
1
Print Port Header (LPT1, White)
12
Consumer Infrared Module Header (CIR1)
2
COM Port Header (COM1)
13
Clear CMOS Jumper (CLRCMOS1)
3
CPU Fan Connector (CPU_FAN1)
14
Chassis Speaker Header
4
CPU Heatsink
(SPEAKER 1, White)
5
Chassis Fan Connector (CHA_FAN1)
15
USB 2.0 Header (USB6_7, Blue)
6
2 x 204-pin DDR3 SO-DIMM Slots
16
SATA2 Connector (SATAII_1, Blue)
(DDR3_A1, DDR3_A2, Black)
17
16Mb SPI Flash
7
ATX Power Connector (ATXPWR1)
18
PCI Slot (PCI1)
8
SATA2 Connector (SATAII_2, Blue)
19
Front Panel Audio Header
9
USB 2.0 Header (USB8_9, Blue)
(HD_AUDIO1, White)
10
Infrared Module Header (IR1)
20
Intel NM10 Express Chip
11
System Panel Header (PANEL1, White)
SPEAKER1
1
HD_AUDIO1
PANEL 1
HDLED RESET
PLED PWRBTN
1
CMOS
Battery
16Mb
BIOS
1
AUDIO
CODEC
17.0cm (6.7 in)
1
7
.0
c
m
(6
.7
in
)
Super
IO
1
2
4
5
7
6
8
9
10
12
13
14
11
15
16
3
FS
B8
00
D
D
R
3_
A
1
(6
4
bi
t,
20
4-
pi
n
m
od
ul
e)
FS
B8
00
D
D
R
3_
A
2
(6
4
bi
t,
20
4-
pi
n
m
od
ul
e)
SATAII_1
SATAII_2
LAN
PHY
RoHS
CPU_FAN1
1
USB8_9
PCI1
1
USB6_7
1
CIR1
1
IR1
CHA_FAN1
USB 3.0
AD2550-ITX
CLRCMOS1
1
17
18
USB 2.0
T: USB0
B: USB1
P
S
2
K
e
y
b
o
a
rd
V
G
A
1
D
V
I_
C
O
N
1
H
D
M
I1
USB 2.0
T: USB4
B: USB5
Top:
RJ-45
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
USB 3.0
T: USB2
B: USB3
COM1
1
1
LPT1
19
20