1 Nov
2010
1 Nov
'10
10:50 a.m.
On 31 Oct 2010 at 16:03, Steven Hirsch wrote:
Ok, but I still need to know the procedure and
appropriate utility to
surface-test the drives. The mapping you describe appears to be a
low-level notion that is not mapped to anything in DOS fdisk and/or
Spinrite.
Have you tried installing Spinrite's DDO? That could get you there
regardless of what the native BIOS says. I don't recall if this will
work on MFM drives or not.
My point was that your PCs BIOS probably doesn't know about the
borrowed cylinder bits dodge--and your controller doesn't have its
own BIOS on-board.
You could also look around for a controller with its own BIOS to
support large MFM drives--they weren't terribly uncommon.
--Chuck