HP Dx5150 Runtime Power Management v1.0
HP Dx5150 - Compaq Business Desktop Manual
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UPC - 882780485433
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HP Dx5150 manual content summary:
- HP Dx5150 | Runtime Power Management v1.0 - Page 1
EIST and Cool'n'Quiet needed 2 What are the required components for EIST and Cool'n'Quiet to function 2 How will EIST and Cool'n'Quiet impact HP Customers 8 Advantages of using EIST/Cool'n'Quiet 9 Disadvantages of using EIST/Cool'n'Quiet 9 Known Issues 9 Resources for EIST and Cool'n'Quiet 10 - HP Dx5150 | Runtime Power Management v1.0 - Page 2
in cooler and quieter performance. While Cool'n'Quiet technology is new to desktop processors, a similar technology from AMD has been used in mobile processors Quiet, the following system components must support the feature: • Processor • Chipset • System BIOS • Operating system • Processor driver 2 - HP Dx5150 | Runtime Power Management v1.0 - Page 3
dx7200 (not available in North America) Cool'n'Quiet requires the ATI RS480/SB400 (Radeon Xpress) chipset. Current HP business desktop systems with qualifying chipsets include: ATI RS480/SB400: • dx5150 System BIOS BIOS support setting depends on several factors: EIST Support Yes No No TM2 Support - HP Dx5150 | Runtime Power Management v1.0 - Page 4
Cool'n'Quiet option in the BIOS of the HP dx5150. This option is located in F10 Setup in the Power Management Options section. The default Cool'n'Quiet support for HP dx5150 systems is set to Auto (enabled). Operating System Microsoft implemented EIST support in Windows XP Service Pack 2. All future - HP Dx5150 | Runtime Power Management v1.0 - Page 5
Power Management Scheme EIST will function only if the operating system is using an adaptive power management scheme. The following table shows the relationship between power scheme and the control policy used. Power Scheme Home/Office Desk Portable/Laptop Presentation Always On Minimal Power - HP Dx5150 | Runtime Power Management v1.0 - Page 6
Home/Office Desk in default state Home/Office Desk in adaptive state 6 - HP Dx5150 | Runtime Power Management v1.0 - Page 7
System Properties - EIST The System Properties window displays current processor speed on computers installed with an EIST-capable processor and Windows XP Service Pack 2 that are using an adaptive power scheme. The following images illustrate a drop in processor speed for an Intel Pentium 4 system - HP Dx5150 | Runtime Power Management v1.0 - Page 8
on computers installed with a Cool'n'Quiet-capable processor and Windows XP Service Pack 2 that are using an adaptive power scheme. The following Applications bundled with HP bPC computers • Operating system images bundled with HP bPC computers • Peripheral drivers bundled with HP bPC computers • - HP Dx5150 | Runtime Power Management v1.0 - Page 9
i945 systems using older Intel processors, older HP BIOS, and older Windows XP service packs. These problems may include both Windows blue screens and Knowledge Base articles: http://support.microsoft.com/default.aspx?scid=kb;en-us;316965&Product=winxp http://support.microsoft.com/default.aspx?scid - HP Dx5150 | Runtime Power Management v1.0 - Page 10
provide additional information about EIST and Cool'n'Quiet. http://www.intel.com/cd/channel/reseller/asmo-na/eng/products/box_processors/desktop/ proc_dsk_p4/technical_reference/203838.htm http://www.amd.com/us-en/Processors/ProductInformation/0,,30_118_9485_9487%5E10272,00.html http://www.amd.com - HP Dx5150 | Runtime Power Management v1.0 - Page 11
have a system that supports this - can I turn it off in the BIOS without disrupting the system HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP
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1
Runtime Power Management
v1.0
Introduction
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What is EIST? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
What is Cool’n’Quiet
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Why are EIST and Cool’n’Quiet needed? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
What are the required components for EIST and Cool’n’Quiet to function? . . . . . . . . . . . . . .2
How will EIST and Cool’n’Quiet impact HP Customers? . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Advantages of using EIST/Cool’n’Quiet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Disadvantages of using EIST/Cool’n’Quiet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Known Issues
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Resources for EIST and Cool’n’Quiet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Frequently Asked Questions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10