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SuperServer 5019S-WR User's Manual
Chapter 4
Motherboard Connections
This section describes the connections on the motherboard and provides pinout definitions.
Note that depending on how the system is configured, not all connections are required. The
LEDs on the motherboard are also described here. A severboard layout indicating component
locations may be found in Chapter 1.
Please review the Safety Precautions in Chapter 3 before installing or removing components.
4.1 Power Connections
Two power connections on the X11SSW-F must be connected to the power supply. The wiring
is included with the power supply.
•
24-pin Primary ATX Power (JPWR1)
•
8-pin Processor Power (JPWR2)
Main ATX Power Connector
The primary power connector (JPWR1) meets the ATX SSI EPS 12V-pin specification. You
must also connect the 8-pin (JPWR2) processor power connector to your power supply (see
below).
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
Required Connection
Important: To provide adequate power to the motherboard, connect the 24-pin and the 8-pin
power connectors to the power supply. Failure to do so may void the manufacturer's warranty
on your power supply and motherboard.
38
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
Processor Power Connector
JPW2 must also be connected to the power supply. This connector is used to power the
processor(s).
+12V 8-pin Power
Pin Definitions
Pin#
Definition
1 - 4
Ground
5 - 8
+12V
Required Connection
4.2 Headers and Connectors
Fan Headers
There are six fan headers on the motherboard. These are 4-pin fan headers; pins 1-3 are
backward compatible with traditional 3-pin fans. The onboard fan speeds are controlled by
Thermal Management via IPMI.
Fan Header
Pin Definitions
Pin#
Definition
1
Ground (Black)
2
+12V (Red)
3
Tachometer
4
PWM Control
Power Supply SMBus Header
The Power System Management Bus (I
C) connector (JPI
2
and system temperatures. Connect the appropriate cable here to utilize SMB on your system.
Power SMB Header
Pin Definitions
Pin#
Definition
1
Clock
2
Data
3
PMBUS_Alert
4
Ground
5
+3.3V
39
Chapter 4: Motherboard Connections
C1) monitors the power supply, fan,
2
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