Power Supply Specifications - HP Xw8400 - Workstation - 4 GB RAM Technical Reference Manual

Table 1-5 Voltage specification (continued)
Voltage
12 V-G
V12N
5 VSB
Table 1-6 Current specification
Current
3.3 V
5 V
12 VCPU0
12 VCPU1
12 V-M
12 V-B
12 V-D
12 V-G
V12N
5 VSB
WARNING!
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
Full ranging input (No line select switch)
Active power factor correction (APFC) (Input
current is nearly 1/2 non-APFC power supply)
Passive power
Operating voltage range
6 Chapter 1 Product overview
Minimum Maximum
11.52 V 12.6 V
–11.4 V –12.6 V
4.85 V 5.25 V
Continuous
22.0 A Used with PCI, MCH, ESB2, PXH, LAN, and
onboard logic
18.0 A Used with storage (disk, optical, diskette), PCI,
Audio, USB, input to onboard regulator, and
onboard logic
13.7 A Input to onboard regulator that supplies power for
CPU0
16.7 A Input to onboard regulator that supplies power for
CPU1
18.6 A Input to onboard regulators that supply 1.5 V and
1.8V for memory
15.7 A Used with PCI fans, input to onboard regulators that
supply 1.5 V and 1.2 V
10.0 A Used with storage (disk, optical, floppy)
12.5 A Used with PCI Express x16 auxiliary connector
0.3 A Used by PCI
2.5 A Used for sleep circuitry
Do not exceed 135 W of a 5-V and 3.3-V power combination.
Parameter
Description
Used with PCI Express x16 auxiliary connector
Used by PCI
Used for sleep circuitry
Description
Specification
90–269 VAC
Yes
Yes
No
ENWW