Voltage Minimum Maximum Description
12 V-G 11.52 V 12.6 V Used with PCI Express x16 auxiliary connector
V12N –11.4 V –12.6 V Used by PCI
5 VSB 4.85 V 5.25 V Used for sleep circuitry
Table 1-6 Current specification
Current Continuous Description
3.3 V 22.0 A Used with PCI, MCH, ESB2, PXH, LAN, and
onboard logic
5 V 18.0 A Used with storage (disk, optical, diskette), PCI,
Audio, USB, input to onboard regulator, and
onboard logic
12 VCPU0 13.7 A Input to onboard regulator that supplies power for
CPU0
12 VCPU1 16.7 A Input to onboard regulator that supplies power for
CPU1
12 V-M 18.6 A Input to onboard regulators that supply 1.5 V and
1.8V for memory
12 V-B 15.7 A Used with PCI fans, input to onboard regulators that
supply 1.5 V and 1.2 V
12 V-D 10.0 A Used with storage (disk, optical, floppy)
12 V-G 12.5 A Used with PCI Express x16 auxiliary connector
V12N 0.3 A Used by PCI
5 VSB 2.5 A Used for sleep circuitry
WARNING! Do not exceed 135 W of a 5-V and 3.3-V power combination.
Do not exceed 64 A (768 W) of a 12-V (CPU0/CPU1/M/B/D/G) power combination.
Do not exceed 800 W of total continuous output power.
Power supply specifications
The integrated, surge-tolerant power supply is rated to withstand a power surge of up to 2,000 V (line-
to-PE or neutral-to-PE) and 1,000 V (line-to-line) without any data loss or system downtime. The
following specifications describe the power supply:
Table 1-7 Power supply specifications
Parameter Specification
Full ranging input (No line select switch) Yes
Active power factor correction (APFC) (Input
current is nearly 1/2 non-APFC power supply)
Yes
Passive power No
Operating voltage range 90–269 VAC
Table 1-5 Voltage specification (continued)
6 Chapter 1 Product overview ENWW
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