I have just installed my ATA HD's successfully.
Things that might help[list=1][*]Go to Google.com and search on ATA 100 and also UDMA[*]Go to
http://www.via-tech.de/ and read up on the via chipset.[*]Go to RedHat.com and look up the compatability list.[/list=1]
Question: I assume a server is just a high-powered computer. Thus it has a motherboard not unlike most motherboards. If this is true, why not put in a motherboard that has the ATA 100 chip on-board? Probably, you already have a motherboard without a resident ATA 100 chipset.