Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!usc!elroy.jpl.nasa.gov!jato!mars!kaleb
From: kaleb@mars.jpl.nasa.gov (Kaleb Keithley)
Newsgroups: comp.sys.ibm.pc
Subject: Re: XT/AT hard disk compatibility?
Message-ID: <2589@jato.Jpl.Nasa.Gov>
Date: 18 Jan 90 16:29:30 GMT
References: <25ae2ada:3781.3comp.sys.ibm.pc;1@vpnet.UUCP>
Sender: news@jato.Jpl.Nasa.Gov
Reply-To: kaleb@mars.UUCP (Kaleb Keithley)
Organization: Jet Propulsion Laboratory, Pasadena, CA.
Lines: 17

In article <25ae2ada:3781.3comp.sys.ibm.pc;1@vpnet.UUCP> akcs.amparsonjr@vpnet.UUCP (Anthony M. Parson, Jr.) writes:
>I used my XT 8 bit controller with Seagate 251-1 and 225 in a 386SX for a
>few weeks.  Because the 386SX motherboard bios was "smart" (AMI, with on-
>board config) I had to _remove_ the drive controller, run the AMI setup and
>tell the BIOS that I had _no_ hard drives, then, reinstall the controller
>after the setup was complete.  The reason is there is a bios chip on the 8
>bit
>controller board that was confusing to AMI's motherboard bios.  It doesn't
>expect to find a controller bios on the controller card.

Many of the eight bit controllers, Western Digital at least, have a jumper
that allows you to disable the onboard BIOS to preclude this problem.

Chewey, get us outta here!
                 
kaleb@mars.jpl.nasa.gov             (818)354-8771
Kaleb Keithley