Hi there!
I have installed a Windows Xp Pro and I have downloaded and installed all the drivers I could find on the vaio website for PCG-K215M, but the All Drivers package doesn't contain the mainboard drivers, the HDD driver and the most important the DVD-RW drive's drivers. The problem is that without these drivers my HDD and DVD-RW drives are working in PIO mode. At least this is how the windows's device manager shows, and the laptop is working very slow. If I'm writing a DVD with 4x speed, instead of 15 minutes, (as the Nero 6.6.0.3 shows) the burning process takes up to 45 minutes time, and I can't do anything while the writes is burning, becaus the read buffer falls to 0%. I'm sure that the drivers I mantioned will help me, so please SOMEBODY HELP!!!! 
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