Power Supply Specification Guidelines
Intel® Server Board S2600CW Family TPS
142
Revision 2.4
Pin
Signal
18 AWG Color
3
+5VDC
Red
4
COM
Black
5
+12V2
Yellow
10.3.2.3
Grounding
The ground of the pins of the PDB output connectors provides the power return path. The
output connector ground pins is connected to safety ground (PDB enclosure). This grounding
is well designed to ensure passing the maximum allowed Common Mode Noise levels.
10.3.2.4
Remote Sense
Below is listed the remote sense requirements and connection points for all the converters on
the PDB and the main 12V output of the power supply.
Table 73. Remote Sense Connection Points
Converter
+ Sense Location
- Sense Location
Power supply main 12V
On PDB
On PDB
12V/3.3V
P20 (1x5 signal connector)
P20 (1x5 signal connector)
12V/5V
On PDB
On PDB
12V/-12V
none
none
12Vstby/5Vstby
none
none
Table 74. Remote Sense Requirements
Characteristic
Requirement
+3.3V remote sense input
impedance
200
Ω
(measure from +3.3V on P1 2x12 connector to +3.3V
sense on P20 1x5 signal connector)
+3.3V remote sense drop
200mV (remote sense must be able to regulate out 200mV drop
on the +3.3V and return path; from the 2x12 connector to the
remote sense points)
Max remote sense current draw < 5mA
10.3.2.5
12V Rail Distribution
The following table shows the configuration of the 12V rails and what connectors and
components in the system they are powering.
Table 75. 12V Rail Distribution
P2
P3
P12 P1
P8 P9 P1
0
P1
1
P5,6,
7
P1
3
P1
4
P1
5
P1
6
P1
7
P1
8
P1
9
P2
0
2x4
2x4
2x2 2x12 1x
4
1x
4
1x
4
1x
4
(2)
1x5,
1x4
GPU1 GPU2 GPU3 GPU4
OCP