I also have the Compaq Prolinea 5100e. For some odd reason I can't get to the BIOS partition. I tried pressing F10 or F1, nothing. However I run PCDos2000 and Windows 3.11. I installed a second floppy drive, a 5.25" one. I had a lot of floppies and 8 of them I could still use, all 360K though...