🚀 go-pugleaf

In article <191@hacke0.UUCP> d7pernb@hacke0.UUCP (Nicklas Pernblad) writes:
 >I recently got a Seagate ST4144R hard disk for my A2090 controller. The
 >hard disk has a MFM formatted capacity of 80MB, but since it has 9 heads
 >and 2090 only can handle 8, the maximum storage you can expect is 71MB.
 >I was able to successfully format all 1024 cylinders and info revealed
 >69MB free. But after a reboot or loadwb the hard disk would go into an
 >endless validating loop. After prep-ing the drive with decreasing number
 >of cylinders, 777 seemed to be the highest reliable value giving me 52MB.
 >Is this a limit in AmigaDOS, 2090 or in my knowledge? And why a 52MB limit,
 >I could understand 32, 64, 128MB...?
 >
I think that I can answer this one, the limit is in AmigaDOS, it can't
handle more than 54MB per partition.  I don't know why the number is
54 though.  You can partition the drive into multiple segments and you
should be able to use the full capacity (less filesystem format info and
lost heads).
 
 >Nicklas Pernblad


-- 
     Lynn Kerby  -  Amdahl Corporation
                    Sunnyvale, CA
                    ...inhp4!amdahl!lfk

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