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Cooling Subsystem
3.9
DC Output Specification
3.9.1
Output Power/Currents
The following table defines power and current ratings for this 750-W continuous (860 W pk)
power supply in 1+0 or 1+1 redundant configuration. The combined output power of both
outputs does not exceed the rated output power. The power supply must meet both static and
dynamic voltage regulation requirements for the minimum loading conditions. Also, the power
supply can supply the listed peak currents and power for a minimum of 10 seconds. Outputs
are not required to be peak loaded simultaneously.
Maximum Load
Minimum Dynamic Load
Minimum Static Load
Peak Load
Maximum Output Power (continuous)
Peak Output Power
3.9.2
Standby Output/Standby Mode
The 5 VSB output is present when an AC input greater than the power supply turn-on AC
voltage is applied. Applying an external 5.25 V to 5 VSB does not cause the power supply to
shut down or exceed operating limits. When the external voltage is removed, the voltage
returns to the power supplies' operating voltage without exceeding the dynamic voltage limits.
3.10 PMBus™
The PMBus™ features are requirements for AC/DC silver box power supply for use in server
systems. It is also required to enable Intel
This specification is based on the PMBus™ specifications parts I and II, revision 1.1X3.
The power supply device address locations are shown:
PDB addressing Address0/1
Power supply PMBus™ device
Note: Power supply units in the Intel
locations.
3.10.1
Hardware
The device in the power supply is compatible with both the SMBus 2.0 "high power"
2
specification for I
C Vdd based power and drive (for Vdd = 3.3V). This bus operates at 3.3 V but
is tolerant of 5 V signaling. It also operates at full 100 kbps SMBus speed without using clock
stretching to slow down the bus.
24
Table 18. Output Power and Current Ratings
62.0 A
3.0 A
0.0 A
70.0 A (12 seconds
minimum)
12 V x 62 A = 744 W
maximum
12 V x 70 A = 840 W pk
®
Intelligent Power Node Manager.
0/0
B0h
®
Server System SR2612UR use the 0/0 and 0/1 address
Intel order number E76293-003
Intel® Server System SR2612UR TPS
+12 V
3.0 A
0.1 A
0.1 A
5.0A (0.5 seconds minimum @
turn-on)
5 V x 3 A = 15 W maximum
5 V x 5 A = 25 W pk
1/0
0/1
B4h
B2h
+5 VSB
1/1
B6h
Revision 1.3
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