14 Jul
2005
14 Jul
'05
4:29 p.m.
I haven't tried using an IDE drive with a real IBM AT, but I suspect it
will not be plug and play! The original BIOS supports 15 predefined
drive types and I don't remember any user defined settings. You might
try something like "Disk Manager" or other such utilities. IIRC, they
can allow larger than the 32 MB partition sizes and I *think* will allow
settings other than what IBM provided.
I have two "true-blue" IBM ATs, both the
early motherboard revision.
I have the following questions:
- Is it possible to use an IDE hard drive instead of MFM? I have
tried several different drive/controller combos, and nothing works so
far :-( . The drives are small ( < 100 MB), so it's not a geometry
issue (at least, I don't think so :-) )
14 Jul
14 Jul
6:23 p.m.
On Thu, 14 Jul 2005 16:29:38 -0700
Marvin Johnston <marvin at rain.org> wrote:
I haven't tried using an IDE drive with a real IBM AT, but I suspect
it will not be plug and play! The original BIOS supports 15 predefined
drive types and I don't remember any user defined settings. You might
try something like "Disk Manager" or other such utilities. IIRC, they
can allow larger than the 32 MB partition sizes and I *think* will
allow settings other than what IBM provided.
Depending on how much you want to mess around with the BIOS, there are
utilties out there that let you patch in whatever drive geometry you
want into a BIOS binary and reburn a new EPROM. I used that ages ago
when I had a 20 MHz '286 motherboard and wanted to use an oddball hard
drive geometry in it. The process does involve buring a new EPROM,
though. And I don't remember the name of the utility, but that it was
some common tool off a shareware CDROM collection (this was
pre-internet) so it's probabably physically out there on CDs.
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