"John D. Penberthy" wrote: > > I just bid on an IBM 9.1GB SCSI drive that specifies that it is a > differential drive.... What does differential mean? > > The differential means that you have to have a particular SCSI adapter card to support it.... but well worth it in my opinion... with differential SCSI you can achieve up to 80Mbs trasfers of data and also you can locate the drives up to 83ft from the computer .... the downside is that the adaptec AHA-2944W card is expensive. I am currently running an IBM 9.1gb and a 2.1 gb differential SCSI drives. Hope this is what you are looking for Joseph H. Bishop PuterDoc www.puterdoc.com ICQ #270514 PCBUILD's List Owner's: Bob Wright<[log in to unmask]> Drew Dunn<[log in to unmask]>