I had this same problem a long while back, and if I can remember correctly I put the following in my config.sys on the boot floppy and it fixed the problem: Device=HIMEM.SYS This is needed, especially with the W95B (OSR2) version. Of course, you need to have HIMEM.SYS on your boot floppy too. HTH, Robert Mike Bridges wrote: > > I am trying to format a western digital caviar hard drive from a DOS > prompt and get the message "insufficient memory to load system files" > message. > It is a Pentium Pro 150 with 48 mgs of ram and the 1.5 gig hard drive > is only 1/4 full.I am using the command format c:/s > Any help would be appreciated. > Mike Bridges > > ----- > PCBUILD mailing list - http://nospin.com > Bob Wright:[log in to unmask] - Drew Dunn:[log in to unmask] ----- PCBUILD mailing list - http://nospin.com Bob Wright:[log in to unmask] - Drew Dunn:[log in to unmask]