Connecting Cables; Atx Power Connector; Processor Power Connector - Supermicro X7DBR-3 User Manual

X7DBR-3/X7DBR-E User's Manual
2-5

Connecting Cables

ATX Power Connector

There are a 20-pin main power supply
connector(JPW1) and an 8-pin CPU
PWR connector (JPW3) on the moth-
erboard. These power connectors
meet the SSI EPS 12V specifi cation.
The 4-pin 12V PWR supply is required
to provide adequate power to the sys-
tem. See the table on the right for pin
defi nitions for connector (JPW1). For
the 8-pin PWR (JPW3), please refer
to the item listed below.

Processor Power Connector

In addition to the Primary ATX power
connector (above), the 12V 8-pin CPU
PWR connector at JPW3 must also
be connected to your power supply.
See the table on the right for pin
defi nitions.
GLAN1
PCI-X 100MHz ZCR
PCI-X 133MHz
GLAN2
SAS
CTRLR
Pin#
11
12
13
14
15
16
17
18
19
20
PWR
C
4-pin
8-pin PWR
SMB
JPWF PWR
A
SXB-
SXB- SXB-
2-14
ATX Power 20-pin Connector
Pin Defi nitions
Defi nition Pin # Defi nition
+3.3V 1 +3.3V
-12V 2 +3.3V
COM 3 COM
PS_ON 4 +5V
COM 5 COM
COM 6 +5V
COM 7 COM
Res (NC) 8 PWR_OK
+5V 9 5VSB
+5V 10 +12V
Required Connection
12V 4-pin Power Con-
nector
Pin Defi nitions
Pins Defi nition
1 and 2 Ground
3 and 4 +12V
Required Connection
12V 8-pin Power CPU
Connector
Pin Defi nitions
Pins Defi nition
B
1 through 4 Ground
5 through 8 +12V
A. ATX Main PWR
B. 8-pin Processor PWR
C. 4-pin PWR
JOH1