24 PRODUCT OVERVIEW
NOTE If a graphics card requiring more than 75W is installed, HP recommends not using slot 2, which is
the PCI slot adjacent to the graphics slot. In addition to these slot power specifications, the overall power
consumption of the system (including I/O cards, processors, memory, drives) must not exceed the
maximum ratings of the system power supply.
For hardware specifications of other system components, such as graphics cards or optical drives, refer
to the website of the specific manufacturer.
ENERGY STAR
The ENERGY STAR® program, a government-backed initiative, promotes energy efficiency by
identifying ways to reduce energy consumption. Select HP workstations participate in the ENERGY
STAR program.
NOTE ENERGY STAR is not supported on Linux-based workstations.
For those workstations that support ENERGY STAR and have it enabled, the power management
features will be set as follows:
Monitor—goes into sleep mode after 20 minutes of inactivity.
System—goes into Hibernate mode after 25 minutes of inactivity.
Hard Drive—goes into power savings mode after the system goes into Hibernate mode.
NOTE If you have to restore the operating system, reset the ENERGY STAR settings (if applicable) after
the restore.
To verify the factory default power settings for your product, select Start>Control Panel and double-click
Power Options.
ENERGY STAR Compliance
HP products purchased with the ENERGY STAR configuration are compliant with the U.S.
Environmental Protection Agency (EPA) ENERGY STAR Computers Program. The EPA ENERGY STAR
4 PCI 25 W*
5 PCI 25 W*
6 PCI Express x8’ (x4 performance) 25 W*
* In addition to these slot power specifications, the overall power consumption of the system (including I/O
cards, processor, and memory) must not exceed the maximum ratings of the system power supply.
** Includes 75W maximum from the system board connector, and 75W maximum from the auxiliary graphics
power connector.
Table 1-10 PCI and PCI Express Slot Power Specifications
Slot# Slot Type Slot Power (Maximum)
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