Also, advise a: "Sao year, don't toss, some motherboards do not support XP, what good toss of it, even if good, but also a variety of problems!"
Like my hard drive appeared a lot of bad way, finally went to the low lattice road! That poor data!
1. Microsoft Official response
1.1. Symptoms
When you install Windows XP, you may receive the following Stop error:
Stop: 0x000000a5parameter1, Parameter2, Parameter3 Parameter4)
This system is not fully compliant with the ACPI Bios specification. Please read about possible workarounds, Readme.txt, or contact your system vendor for an updated BIOS.
The BIOS in this system does not fully comply with the ACPI standard. Please contact your system vendor for an updated BIOS. You can turn off ACPI mode during text-mode Setup If you cannot obtain an updated BIOS or a vendor-supplied BIOS that is not ACPI compliant. To do this, you are prompted to install the storage driver simply by pressing the F7 key. You will not be notified that you think you have pressed the F7 key and will silently disable ACPI and allow you to continue with your installation. ”
Parameter1, Parameter2, Parameter3, and changing the Parameter4 parameters of the computer.
1.2. Reasons
This behavior can occur if Windows detects that the BIOS in your computer does not fully conform to advanced Configuration and Power Interface (ACPI).
1.3. The solution
To resolve this issue, contact your computer manufacturer to obtain a fully ACPI-compliant BIOS.
To work around this issue, manually install the standard PC hardware abstraction layer (HAL):
Restart the installer after you restart the computer.
When the installer restarts, press F7 (do not press F6) when you see the "If you need to install a third-party SCSI or RAID driver, press the F6″ screen."
Windows automatically disables the installation of the ACPI HAL and installs the standard PC HAL.