Need help with intel X25-E SSD in sony sz 120 laptop

I purchased an Intel X25-E 64 Gig for use in my sony 120sz laptop which is approx 3 years old. Intel says it is compatible with laptops, but I have been unable to load windows XP. The original drive was a SATA. I took it to the laptop guy and they said it was a compatibility problem with the drive. Can anyone please help me with this problem

Yes I have tried to update the Bios, but the program crashes. I suggested to the laptop guy to try putting an old SATA drive in and updating the bios from it since the bios update program runs from within Windows. I did get it working at one point and I am using all of the latest drivers from Sony, but when I went to Windows update and loaded all of the updates it quit working and started booting into safe mode. Then when I tried to load Windows it just hangs during installation. The laptop guy seems to be baffled as well. Thanks for your suggestions.