Chapter 2: Installation
2-13
2-6 Connecting Cables
ATX Power Connector
The main power supply connector
(JPW1) on the X7SBi meets the SSI
(Superset ATX) specifi cation. You
can only use a 24-pin power supply
cable on the motherboard. Make sure
that the orientation of the connector
is correct. You must also use the
8-pin (JPW2) processor power con-
nector for adequate power supply to
the system (below.) See the table on
the right for pin defi nitions.
Processor Power Connector
In addition to the Primary ATX power
connector (above), the 12V 8-pin Pro-
cessor connector at JPW2 must also
be connected to your power supply
to provide adequate power supply to
the system.
A. 24-Pin ATX PWR
B. 8-Pin 12V PWR
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
B
200
4
ITE
IDE CTRL
Battery
Super I/O
Slot1 PCI 33 MHz
Slot6 SXB2 PCI-X 133 MHz
Slot6 SXB1 PCI-Exp. x8
JBT1
JPG1
ATI
ES1000
VGA
CTRL
JPL1
Intel
LAN
CTRL
Buzzer
Intel
LAN
CTRL
BIOS
KB/MS
USB0/1
COM1
VGA
LAN1
LAN2
Fan6
ATX 24-Pin PWR
CPU Fan
SMB PS
Fan1
8-Pin PWR
CPU
MCH
Intel 3210
Xeon
3000/3200
DIMM1A
DIMM1B
DIMM2A
DIMM2B
Fan 5
JLED1
LE1
JOH
Fan2
Fan3
JL1
JWD
Speaker
IDE
Floppy
Fan4
SATA0
SATA1
SATA2
SATA3
SATA4
SATA5
JWOL
JI
2
C1
JI
2
C2
COM2
Printer
SIMSO (IPMI 2.0)
JPL2
Intel ICH9R
PXH-V
USB8/9 USB6/7
FP USB10
FP USB11
FP CTRL
JUSB1
JWOR
JPUSB2
T-SGPIO2
T-SGPIO1
X7SBi