HP Xw8400 HP xw8400 Workstation - Service and Technical Reference Guide - Page 16

Power supply specifications, Do not exceed 64 A 768 W of a 12-V CPU0/CPU1/M/B/D/G power combination.

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Table 1-5 Voltage specification (continued) 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 (lineto-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 Yes current is nearly 1/2 non-APFC power supply) Passive power No Operating voltage range 90-269 VAC 6 Chapter 1 Product overview ENWW

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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