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From: cflatter@zia.aoc.nrao.edu (Chris Flatters)
Newsgroups: comp.os.minix
Subject: Re: MINIX on Hyundai 386SX AT-clone
Message-ID: <1991Jun29.200634.8324@zia.aoc.nrao.edu>
Date: 29 Jun 91 20:06:34 GMT
Sender: cflatter@zia.aoc.nrao.edu (Chris Flatters)
Organization: National Radio Astronomy Observatory, Socorro NM
Lines: 28

> In article <1991Jun22.132009.4070@ohm.york.ac.uk> u8acb@ohm.york.ac.uk (+Alex Barclay) writes:
>>In <1991Jun21.192618.3446@zia.aoc.nrao.edu> cflatter@zia.aoc.nrao.edu (Chris Flatters) writes:
>>
>>>The problem:
>>>   MINIX refuses to boot from the distribution floppy.  The copyright
>>>   message appears but the drive heads then get driven into the stops
>>>   and back again.  An error message a reboot is attempted.  This
>>>   repeats until I hit the reset switch & pull the floppy out.
>>
>>Try turning the clock speed down. My machine, a 386SX running at 16 or 8MHz
>>won't boot Minix 1.2 unless the clock is running aat 8MHz. The problem
>
> The main timing problem in the floppy driver was fixed in 1.5.
>
> What size is the disribution floppy? 1.2M works best. Any other size may
> run into various unportabilities in the boot program.

The problem was indeed the size of the floppy: PH distribute MINIX on
360k floppies.  However, by turning the clock down to 8 MHz I could get
MINIX to boot.  After that it was an easy job to build at 1.2M boot disk.

> -- 
> Bruce Evans		evans@syd.dit.csiro.au
-- 
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Chris Flatters                  |  cflatter@nrao.edu
AIPS Scientific Programmer      |
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