You need W2000 service pack 3 as per: http://www.seagate.com/support/kb/disc/capacity/137/os/win2000.html You also need the BIOS to support 48-bit LBA. http://www.seagate.com/support/kb/disc/capacity/137/bios.html OR you need a a Dynamic Drive Overlay (DDO) to overcome the BIOS limitation. http://www.wdc.com/en/library/eide/2779-001001.pdf (1.47megs) Rick Glazier ----- Original Message ----- From: "Richard F. Bolha" <[log in to unmask]> > I recently purchased a Western Digital 160 GB hard drive. It only > shows up as 136 GB in the BIOS? It only shows 131 GB that is > formatable as expected. Am I running into a bios limit of 136GB? PCBUILD's List Owners: Bob Wright<[log in to unmask]> Drew Dunn<[log in to unmask]>