Intel
®
Server Board S2600CP and Server System P4000CP TPS Intel
®
Server System P4000CP Power System Options
Revision 1.1
Intel order number G26942-003
141
Table 94. AC Line Sag Transient Performance
AC Line Sag (10sec interval between each sagging)
Duration Sag Operating AC Voltage Line Frequency Performance Criteria
0 to 1/2 AC
cycle
95% Nominal AC Voltage ranges 50/60Hz No loss of function or performance
> 1 AC cycle >30% Nominal AC Voltage ranges 50/60Hz Loss of function acceptable, self
recoverable
Table 95. AC Line Surge Transient Performance
AC Line Surge
Duration Surge Operating AC Voltage Line Frequency Performance Criteria
Continuous 10% Nominal AC Voltages 50/60Hz No loss of function or performance
0 to ½ AC
cycle
30% Mid-point of nominal AC
Voltages
50/60Hz No loss of function or performance
13.3.2.7 Power Recovery
The power supply shall recover automatically after an AC power failure. AC power failure is
defined to be any loss of AC power that exceeds the dropout criteria.
13.3.3 Efficiency
The following table provides the required minimum efficiency level at various loading conditions.
These are provided at three different load levels; 100%, 50%, 20%, and 10%. Output shall be
load according to the proportional loading method defined by 80 Plus in Generalized Internal
Power Supply Efficiency Testing Protocol Rev. 6.4.3. This is posted at
http://efficientpowersupplies.epri.com/methods.asp
.
Table 96. Silver Efficiency Requirement
Loading 100% of maximum 50% of maximum 20% of maximum 10% of maximum
Minimum Efficiency 91% 94% 90% 82%
The power supply passes with enough margins to make sure in production all power supplies
meet these efficiency requirements.
13.3.4 DC Output Specification
13.3.4.1 Output Power/Currents
The following table defines the minimum power and current ratings. The power supply meets
both static and dynamic voltage regulation requirements for all conditions.
Table 97. Minimum Load Ratings
Parameter Min Max. Peak 2, 3 Unit
12V main 0.0 62.0 70.0 A
12Vstby 1 0.0 2.1 2.4 A