Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!ucbvax!hplabs!hpfcdc!hpislx!hplvli!boyne From: boyne@hplvli.HP.COM (Art Boyne) Newsgroups: comp.sys.ibm.pc Subject: Re: XT clone to '286 upgrade advice needed. Message-ID: <360010@hplvli.HP.COM> Date: 23 Feb 89 15:59:38 GMT References: Organization: Loveland Inst. Div Lines: 6 The *drives* will be OK, just the *controller* will have to be replaced. XT machines have BIOS routines on the controller, AT's have it all in the main BIOS. Also, XT controllers are 8-bit, AT controllers are 16-bit, giving a performance boost. Art Boyne, boyne@hplvla.hp.com