Odd disk image format... .552?

Mike Ross tmfdmike at gmail.com
Tue Dec 22 06:03:53 CST 2015

On Tue, Dec 22, 2015 at 10:17 PM, Nico de Jong <nico at farumdata.dk> wrote:
> ---- Original Message -----
> From: "Mike Ross" <tmfdmike at gmail.com>
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk at classiccmp.org>
> Sent: Tuesday, December 22, 2015 9:41 AM
> Subject: Odd disk image format... .552?
>> Recently found some long-lost images of 5 1/4" floppies that were sent
>> to me...  10-15 years ago. Here's one of them:
>> http://www.corestore.org/RP06.552
>> I've never seen that .552 file extension before. Any clue? It's
>> possible that refers to a version number rather than some obscure disk
>> image format...
>> (They are allegedly Setasi Shelby RP12 boot disks btw :-) )
>> Mike
> Seems to be a MSDOS 5.0 boot disk, with just one important program,
> RP06.EXE, on it, and then some support programs.
> As far as I can see, it is a physical backup. Could the 552 just be a serial
> number `?

That's kinda what I expected actually... so you reckon they're just in
normal raw image format for e.g. Rawrite?

'No greater love hath a man than he lay down his life for his brother.
Not for millions, not for glory, not for fame.
For one person, in the dark, where no one will ever know or see.'

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