Hi Peter,
have you tried 'hdparm -g' ? That reports the geometry, but as you have
pointed out it will only show it as it is being presented... now the
geometry of flash media does obviously not really exist in its original
sense of physical cylinders, heads and sectors, and therefore these
media all present something that meets the CHS parameter constraints and
multiplies out to the actual size of the memory. I am not sure whether
the reader does anything to the geometry, though.
But why can't you simply try it with the geometry obtained from hdparm?
After all, if it doesn't work at first you can simply start over - or am
I missing something here?
Kind regards,
Helmut.
On 21/07/15 19:34, Peter Simmonds wrote:
Hi All,
More specifically, I need reliable CHS info from the CF card,
otherwise when I plug it into the amiga all hell could break loose if
any of the numbers are wrong (The partitioning software on the amiga
is hit and miss already, but seems to work if the CHS is correct; due
to experience with 4GB SCSI drive on amiga). I will look up HDparm in
the meantime and learn to use it.
The main question now being, are USB readers (on linux) likely to
introduce crap like LBA, or "Large" Hard disk support, resulting in
remapping of the CHS info?
The amiga 1200 is still alive, along with the original 40mb seagate
drive. Have seen all sorts of domestic hard drives fail except for the
remarkable seagates usually, though that is probably another debate.
Cheers,
Peter
On 19/07/2015 20:36, Chris Hellyar wrote:
Sorry, I didn’t get past Amiga 1200.. You’ve got one that works still?
(Can’t help with the query, although I know CF cards look like an IDE
device so one assumes normal tools like HDparm etc would report
correctly?)
On 19/07/2015, at 19:47, Peter Simmonds <[email protected]>
wrote:
Hi All,
May I have a command to get reliable Cylinder/Head/Sector
information from a Compact flash card that will be connected via a
random USB reader? I need this info as I will be partitioning it
with an amiga 1200, and wish to keep my hair!
Cheers,
Peter
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