Not sure if this will work Foxy~ but if you have 48 bit LBA enabled, and the BIOS does recognise the drive as 200Mb, you might try the HDD manufacturer's site and see if they have an installation program.

If so it will probably have programs to tweak your settings where required.

As mentioned, does your BIOS support drives larger than 128Mb? (137Mb) If not, and there is no upgrade, the installer software usually installs a program that runs at boot-up and intercepts/corrects what the BIOS has reported to Windows. This is the old situation where the BIOS does not support the drive but Windows does.

I have this old Digital Venturis 5133 (5 = family 5, or Pentium I to you 133 = Mhz) It came with this massive 1.7 Gb drive So I took that out and stuck in a 60Gb and a "Bigfoot" that I had picked up from an upgrade, that was supposed to be 8.4 Gb.

I ran the drive manufacturer's installation software and it loaded a proggy that gets the 60Gb drive recognised as such. It also installed the 8.4 Gb drive as slave, but correctly identified it as a 14.4Gb drive.

I have not had the heart to tell the original owner that he had paid for a 14.4Gb drive but only been able to use it as an 8.4. The price difference in those days must have been around £100?