Looks like a update as XP with SP1 has the 1.1.0.0 ands this is the 1.1.0.1
But when I tried to update my system it said no better driver found, so I am still running 1.1.0.0
REQUIREMENTS:
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AMD Athlon(tm) 64 systems with ACPI 2.0 performance control objects (_PCT) on
Windows XP.
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DESCRIPTION:
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This driver supports processor performance control via the processor objects
defined in the ACPI 2.0 specification.
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KNOWN LIMITATIONS:
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1) The processor performance state may not be restored to the maximum state if the
CPU runs at 100 percent. This problem occurs if the computer is 100 percent busy
when the power policy changes.
For more information and support options, please refer to the following website:
http://support.microsoft.com/?kbid=330512
2) The Processor speed may be reported incorrectly in Windows XP.
For more information, please refer to the following website:
http://support.microsoft.com/default.aspx?scid=kb;en-us;316965
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INSTALLATION INSTRUCTIONS:
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1) Right-click on "My Computer" and select "Properties".
2) Select the "Hardware Tab" and click on the "Device Manager" button.
There should be a device section named "Processors" with a processor device.
3) Right-click on the processor device, and click on "Update Driver"
4) Select "Install from a list or specific location (Advanced)", and click "Next"
5) Select "Don't search, I will choose the driver to install", and click "Next".
6) Click "Have Disk", "Browse..." to the installation files and click "OK".
7) Ignore the warning about "This driver is not digitally signed!", by
clicking on "Next".
8) A box will appear: "The wizard has finished installing the software for
AMD Athlon(tm) 64 Processor". Click "Finish" to complete the installation.