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2-6
Connectors and Headers
ATX Power Connector
The main power supply connec-
tor (JPW1) on the PDSML-LN1+/
PDSML-LN2+/PDSML-E+ meets the
Server System Infrastructure (SSI)
specification. You can only use a
24-pin power supply cable on the
motherboard.
orientation of the connector is cor-
rect. You must also use the 8-pin
(JPW2) processor power connector
for adequate power supply to the
system (See below). See the table
on the right for pin definitions.
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.
KB/MS
USB 1/2
LAN
CTRL2
(*LN2+)
Intel
3000/3010
LAN
North Bridge
CTRL1
JLAN1
JLAN2
(*LN2+)
VGA
Memory
JI
C2
2
Slot6
PCI-E x8
VGA
C T R L
JWOR
Slot5
PCI-E x4
JPG1
SPKR
Slot4
PCI-33 MHz
S I/O
Floppy
COM2
Make sure that the
A
Fan6
PWR SMB
PWR Fault
CPU
Fan
LGA 775
DIMM 1A
DIMM 2A
DIMM 1B
DIMM 2B
JI
C1
2
IPMI
SBX: PCI-33 MHz
J 8
Battery
ICH7R
J10
BIOS
South Bridge
PCI1
USB3/4
USB5/6
ATX Power 24-pin Connector
Pin Definitions
Pin#
Definition
13
+3.3V
14
-12V
15
COM
16
PS_ON
17
COM
18
COM
19
COM
20
Res (NC)
21
+5V
22
+5V
23
+5V
24
COM
8-pin Processor Power
Pin Definitions
Pins
1 through 4
5 through 8
B
Fan1
8-pin PWR
CPU
Fan2
Fan3
JL1
JBT1
SATA1
SATA3
SATA0 SATA2
2-13
Chapter 2: Installation
Pin #
Definition
1
+3.3V
2
+3.3V
3
COM
4
+5V
5
COM
6
+5V
7
COM
8
PWR_OK
9
5VSB
10
+12V
11
+12V
12
+3.3V
Definition
Ground
+12V
A. 24-pin ATX PWR
B. 8-pin Processor PWR
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