IDE ATA and ATAPI Disks Use PIO Mode After Multiple Time-Out or CRC Errors Occur ------------------------------------------------------------------------------- From Microsoft Knowledge Base Article - 817472: http://support.microsoft.com/default.aspx?scid=kb;en-us;817472 Description ----------- If you have problems with XP on your hard drives going from UDMA mode into PIO mode for no good reason and are running SP1, you will need this file. This will save you guys from, as Microsoft says, "To obtain this feature immediately, contact Microsoft Product Support Services". ------- 1. Make sure you have System Restore turned off: Click Start > Programs > Accessories > Windows Explorer Right-click My Computer, and then click Properties. Click the System Restore tab. Check the "Turn off System Restore" or "Turn off System Restore on all drives" check box. 2.Do a search for "atapi.sys" on your hard disk, and copy this version (5.1.2600.1211) to all locations. 3.Run the "atapi 5.1.2600.1211 update.reg" file to activate the patch. If you have more than a Primary and Secondary IDE channel, you will have to add the key to the registry yourself for the extra ones. This update _should_ be included in SP2 but who knows... Have fun!Download Driver Pack
After your driver has been downloaded, follow these simple steps to install it.
Expand the archive file (if the download file is in zip or rar format).
If the expanded file has an .exe extension, double click it and follow the installation instructions.
Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.
Find the device and model you want to update in the device list.
Double-click on it to open the Properties dialog box.
From the Properties dialog box, select the Driver tab.
Click the Update Driver button, then follow the instructions.
Very important: You must reboot your system to ensure that any driver updates have taken effect.
For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.