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Power Supply Specification Guidelines
12. Power Supply Specification Guidelines
This section provides power supply specification guidelines recommended for providing the
specified server platform with stable operating power requirements.
Note: The power supply data provided in this section is for reference purposes only. It reflects
Intel's own DC power out requirements for a 550W power supply as used in an Intel designed
4U server platform. The intent of this section is to provide customers with a guide to assist in
defining and/or selecting a power supply for custom server platform designs that utilize the
server boards detailed in this document.
For additional power supplys information which are used in Intel designed supported chassis
please refer to the following Intel documents: Intel
Product Specification.
12.1 Power Supply DC Output Specification
12.1.1
Output Power/Currents
The following tables define the minimum power and current ratings. The power supply must
meet both static and dynamic voltage regulation requirements for all conditions.
Parameter
3.3V
5V
12V1
12V2
12V3
3.3V
12V
5Vstby
Notes:
1.
Max combined power for all output shall not exceed 550W.
2.
Peak combined power for all outputs shall not exceed 630W for 20 seconds.
3.
Max combined power of 12V1, 12V2 and 12V3 shall not exceed 530W.
4.
Max combined power on 3.3V and 5V shall not exceed 120W.
12.1.2
Cross Loading
The power supply maintains voltage regulation limit when operated over the following cross
loading conditions.
3.3V
5.0V
Load1
18
12.1
Load2
13.5
15
Load3
2.5
2
108
®
Table 61. Over Voltage Protection Limits
Min
0.5
18.0
0.3
15.0
0.7
24.0
0.7
24.0
1.5
18.0
0.5
18.0
0.0
0.5
0.0
3.0
Table 62. Loading Conditions
12V1
12V2
12V3
12
12
11.7
12
12
11.2
20
20
4.2
Intel order number G42278-002
Intel® Server Board S2600CO Family TPS
Server Chassis P4000M Family Technical
Max.
Peak
28.0
28.0
3.5
-12V
5.0Vstby
0
0.3
0.5
0.3
0
0.3
Unit
A
A
A
A
A
A
A
Total
12V
3.3V/5V
Power
Power
Power
550
428
120
549
422
120
550
530
18
Revision 1.0
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