Computer Hardware User Manual

Chapter 2: Installation
2-13
2-5 Connecting Cables
ATX Power Connector
There is a 24-pin main power sup-
ply connector (JPW1) and two 8-pin
CPU PWR connectors (JPW2/JPW3)
on the board. This power connector
meets the SSI EPS 12V specifi cation.
See the table on the right for pin defi ni-
tions. For CPU PWR (JPW2/JPW3),
please refer to the item listed below.
Secondary Power
Connectors
In addition to the Primary ATX power
connector (above), the 12V 8-pin
Processor connectors located at
JPW2/JPW3 must also be connected
to your power supply. See the table
on the right for pin defi nitions.
ATX Power 24-pin Connector
Pin Defi nitions
Pin# Defi nition Pin # Defi nition
13 +3.3V 1 +3.3V
14 -12V 2 +3.3V
15 COM 3 COM
16 PS_ON 4 +5V
17 COM 5 COM
18 COM 6 +5V
19 COM 7 COM
20 Res (NC) 8 PWR_OK
21 +5V 9 5VSB
22 +5V 10 +12V
23 +5V 11 +12V
24 COM 12 +3.3V
Secondary Power
Connector
Pin Defi nitions
Pins Defi nition
1 through 4 Ground
5 through 8 +12V
A. 24-Pin PWR
B. 8-Pin PWR
A
B
DIMM A6
DIMM B6
DIMM B2
DIMM A2
DIMM B5
DIMM A5
JRB1
24-Pin ATX PW
R
CPU 4
CPU 3
COM2
ICH5R
JPL1
JP13
Slot 5 PCI-Ex4(in x8 Slot)
Battery
JPG1
SCSI Channel
A
I-SATA
1
IPMI
IDE #2
Fan1
VGA
CTRL
USB2/3
KB/
Mouse
USB0/1
COM1
VGA
(South Bridge)
DIMM B1
DIMM A1
X6QT8
®
SUPER
WOL1
I-SATA2
Fan2
GLAN2
DIMM B8
DIMM A8
DIMM B7
DIMM A7
Fan7
Fan8
GLAN1
DIMM A3
DIMM B3
DIMM A4
Fan9
GLAN
CTRL
Sl
ot 6 PC
I-Ex8(inx16 slot)
BIOS
Sl
ot 4 PCI-X 133M
Hz
Sl
ot 3 PCI-X 133M
Hz
Sl
ot 2 PCI-X 133MHz
Slot 1 PCI-X 100MHz (*: ZCR/Gree
n Slot: X6QT
8)
S I/O
J3P1
JAR1
SMB
JL1
WOR1
SCSI Chan
n
el
B
IDE #1
PSSMB
WD1
Fan3
Fan4
CPU 2
CPU 1
Fan6
Fan5
LE1
JD1
UXMB1
UXMB2
UXMB3
DA1
DA2
J27
JPA1
8-Pin PW
8-Pin PW
UXMB4
E8501
(North Bridge)
PXH
PXH
SCSI
AIC7902
W
DIMM B4
JPA2
JWF1
Floppy
JOH1
JPA3
JBT1
JWF2
SPKR
CPLD
JFSB1
JTAG
FP CTRL
B