●
Remove dust on the front panel (vent area) and the rear fans with a small vacuum, compressed
air, or dust rag.
●
Keep the front and back of the workstation at least 0.15 m (6 in.) away from a wall or other
obstruction as shown in the following figure.
Figure 1-6  Maintain proper clearance
Workstation specifications
The following table lists the physical characteristics of the HP xw8600 Workstation.
Weight (Typical configuration) 14.4-19.4 kg (31.7-42.7 lb.)
Chassis Dimensions Height: 441 mm (17.4 in.) Width: 165 mm (6.5 in.)  Depth: 440 mm (17.3 in.)
80 Plus power supplies
Two 80 Plus® power supplies—800W and 1050W—are available in the HP xw8600 Workstation. Both
are compatible with ENERGY STAR requirements. This section describes the power supplies and lists
their specifications.
Table 1-4  Power supply source voltages
Source voltage Description
+3.3V PCI, PCIe, audio, clocks, chipset, super I/O, BIOS ROM, IEEE1394, SAS
controller, and onboard logic
+5V Storage (hard drive, optical drive, diskette drive), PCI, PCIe, chipset, audio,
keyboard/mouse, USB, and IEEE1395
+12 V-CPU0 Input to onboard regulator that supplies power to CPU0 and CPU0 fan
+12 V-CPU1 Input to onboard regulator that supplies power to CPU1 and CPU1 fan
+V12 V-M Input to onboard regulator that supplies power to memory and system fans
+12 V-B PCI, PCIe, and system fans
+12 V-D Storage (hard drive, optical drive, diskette drive), and input to onboard
regulator that supplies power to riser memory (1050W only)
ENWW Workstation specifications 7