Power Output and Cooling
The HP xw9300 Workstation power supply contains 9 outputs:
•+3.3V—used with PCI, PCI-X, PCI-E, NVIDIA nForce Professional 2000 series MCPs, AMD8131, LS1030, IEEE 1394, Audio, Super I/O, on-board logic
•+5V—used with storage (disk, optical, diskette), PCI, PCI-X, PCI-E, IEEE 1394, NVIDIA nForce Professional 2000 series MCPs, USB, input to on-board regulators (1.2V, 1.5V, 1.8V, and 2.5V), SCSI hard drives, and on-board logic
•+12V-A—used with PCI, PCI-X, PCI-E, IEEE 1394, system fans
•+12V-B—used with storage (disk, optical, floppy)
•+12V-C—used with PCI Express x16 auxiliary connectors
•+12VCPU0—input to onboard regulator that supplies power for CPU0, Mem0, and respective fan
•+12VCPU1—input to onboard regulator that supplies power for CPU1, Mem1, and respective fan
•-12V—used by PCI, PCI-X
•5VSB—used for sleep circuitry
Table 1-5Power Supply and Cooling (Voltage)
Voltage | Minimum | Maximum |
| | |
3.3V | 3.17V | 3.47V |
| | |
5V | 4.85V | 5.25V |
| | |
12V CPU0 | 11.52V | 12.6V |
| | |
12V CPU1 | 11.52V | 12.6V |
| | |
12V-A | 11.52V | 12.6V |
| | |
12V-B | 11.52V | 12.6V |
| | |
12V-C | 11.52V | 12.6V |
| | |
V12N | -11.4V | -12.6V |
| | |
5VSB | 4.85V | 5.25V |
Table 1-6Power Supply and Cooling (Current)
Current | Minimum | Operating | Continuous | Maximum |
| | | | |
3.3V | 0A | 3.1A | 25A | 35.0A |
| | | | |
5V | 0A | 2.3A | 23A | 28.0A |
| | | | |
12V CPU0 | 0A | 3.1A | 12.6A | 16.0A |
| | | | |
12V CPU1 | 0A | 0A | 12.6A | 16.0A |
| | | | |
12V-A | 0A | 0A | 15A | 18.5A |
| | | | |
12V-B | 0A | 0A | 3.8A | 11.7A |
| | | | |
