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Chapter 2: Installation
2-6
Connecting Cables
ATX/Auxiliary Power
Connectors
ATX Power 24-pin Connector
Pin Definitions
Pin#
Definition
13
+3.3V
1
+3.3V
14
-12V
2
+3.3V
15
COM
3
COM
16
PS_ON
4
+5V
17
COM
5
COM
Note: The 4-pin 12V PWR supply
18
COM
6
+5V
is also required to provide adequate
19
COM
7
COM
power to the system. See the table
20
Res (NC)
8
PWR_OK
on the right for pin definitions.
21
+5V
9
5VSB
22
+5V
10
+12V
23
+5V
11
+12V
24
COM
12
+3.3V
A 24-pin main power connector is located at J40, and a 4-pin power connector
is located at J41 on the motherboard.
These power connectors meet the SSI
EPS 12V specification.
GLAN 1 and GLAN 2 (Giga-bit
Ethernet Port)
Pin #
Definition
located on the IO backplane. GLAN
12V 4-pin Power Connector
Pin Definitions
1 is located above USB Ports 1 & 2.
Pins
Both GLAN ports accept RJ45 type
1 and 2
Ground
cables.
3 and 4
+12V
Two (Giga-bit) Ethernet ports are
Definition
Required Connection
CPU Fan JSMB
B
FAN1
A. 24-pin ATX PWR
S I/O 1
W83627DHG
J41
GLAN2
B. 4-pin PWR
COM1
VGA
KB/MOUSE
GLAN1
DIMM1B
A
S I/O 2
W83627DHG
DIMM2B
USB
0/1
D
JPUSB1
LAN 1
LAN 2
C
DIMM2A
DIMM1A
USB
2/3/4/5
ATX Power
LGA 775 CPU
FAN2
Audio
Fan3
Intel Q35
Slot7 PCI-E x16
LAN 1 CTRL
C2SBC-Q
Slot5 PCI-E x4
JI2C1
JI2C2
Battery
JWOR
JPL1
Slot4 PCI-33MHz
Printer
Slot6 PCI-33MHz
LAN 2 CTRL
Intel ICH9
JBT1
Slot3 PCI-33MHz
I-SATA4
I-SATA2
I-SATA0
I-SATA5
I-SATA3
I-SATA1
JWD
JLED
Buzzer JP2
Audio CTRL JPL2
JP5
SPEAKER
JF1
Slot2 PCI-33MHz
LE1
CD-IN
IDE CTRL
FP USB 6/7
JL1
JWOL
USB 10
COM2
USB 11
Front Audio
COM3
FP USB 8/9
ITE 8213
Slot1 PCI-33MHz
COM4
JPUSB2
IDE
2-13