HP ET115AV HP xw4400 Workstation - Service and Technical Reference Guide - Page 16

Power supply specifications, Do not exceed 460 watts of total continuous output power.

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Source voltage +3.3 V +5 V +12 V-A +12 V-B +12 VCPU -12 V 5 VSB Description PCI, PCI Express, audio, CK-410, ICH7R, super I/O, BIOS ROM, and on-board logic Storage (disk, optical, diskette), PCI, PCI Express, ICH7R, audio, keyboard/ mouse PCI, PCI Express, and system fans Storage (disk, optical, diskette), PCI Express x16 auxiliary connector Input to on-board regulator that supplies power for the CPU PCI Sleep circuitry Table 1-5 Max current per rail Voltage rail Maximum continuous current 3.3 V 15 A 5 V 21 A 12 VCPU 15 A 12 V-A 15.5 A 12 V-B 11 A V12N .3 A 5 VSB 2.0 A WARNING! Do not exceed 110 watts of a 5-volt and 3.3-volt power combination. Do not exceed 31.5 amps (378 W) of a 12-volt (CPU/A/B) power combination. Do not exceed 460 watts of total continuous output power. Power supply specifications Table 1-6 Power supply specifications Item Power supply Operating voltage range Rated voltage range Rated line frequency Operating line frequency range Rated input current Heat dissipation Description 460-W custom power supply (Wide Ranging, Active PFC) 90-269 VAC 100-240 VAC 118 VAC 50-60 Hz 400 Hz 47-66 Hz 393-407 Hz 7.4 A @ 100-240 VAC 7.4 A @ 118 VAC Typical 1121 BTU/hr..= (283 kg-cal/hr.) 6 Chapter 1 Product overview ENWW

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Source voltage
Description
+3.3 V
PCI, PCI Express, audio, CK-410, ICH7R, super I/O, BIOS ROM, and on-board
logic
+5 V
Storage (disk, optical, diskette), PCI, PCI Express, ICH7R, audio, keyboard/
mouse
+12 V-A
PCI, PCI Express, and system fans
+12 V-B
Storage (disk, optical, diskette), PCI Express x16 auxiliary connector
+12 VCPU
Input to on-board regulator that supplies power for the CPU
-12 V
PCI
5 VSB
Sleep circuitry
Table 1-5
Max current per rail
Voltage rail
Maximum continuous current
3.3 V
15 A
5 V
21 A
12 VCPU
15 A
12 V-A
15.5 A
12 V-B
11 A
V12N
.3 A
5 VSB
2.0 A
WARNING!
Do not exceed 110 watts of a 5-volt and 3.3-volt power combination.
Do not exceed 31.5 amps (378 W) of a 12-volt (CPU/A/B) power combination.
Do not exceed 460 watts of total continuous output power.
Power supply specifications
Table 1-6
Power supply specifications
Item
Description
Power supply
460-W custom power supply (Wide Ranging,
Active PFC)
Operating voltage range
90-269 VAC
Rated voltage range
100-240 VAC
118 VAC
Rated line frequency
50-60 Hz
400 Hz
Operating line frequency range
47-66 Hz
393-407 Hz
Rated input current
7.4 A @ 100-240 VAC
7.4 A @ 118 VAC
Heat dissipation
Typical 1121 BTU/hr..= (283 kg-cal/hr.)
6
Chapter 1
Product overview
ENWW