From: wkt@csadfa.cs.adfa.oz.au (Warren Toomey)
Message-Id: <9607020458.AA00378@dolphin>
Subject: Got Museum RK Format
To: oldunix@minnie.cs.adfa.oz.au (PDP Unix Preservation)
Date: Tue, 2 Jul 1996 14:58:28 +1000 (EST)
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All,
	I browsed thru the blocks on my `Museum Format' v6 disk image,
and after a bit of work found a nice comment from the writers of the
code:

/*
 *      Optimized RK-11/RK03/RK05/disk driver
 *
 *      Copyright (c) 1975, the Children's Museum.
 *
 *		[...] In this
 *              format, block 0 is in its standard place so that
 *              boot programs can be put there; blocks 1 through
 *              NHRKBLK (2435) are located beginning at block #2436,
 *              all remaining blocks are between block 1 & 2435. the
 *              effect of this mapping is to centralize disk head motion
 *              about the center of the disk. 
 *              the optimization is ideal for those RK's
 *              which serve as both root device and swap device. It 
 *              is less than ideal, although probably still an 
 *              improvement over traditional form, for RK's used 
 *              exclusively as mounted file systems.

So, after a bit of dd(1)ing, I had my two Museum Format v6 disk images
into a form which could be read with a normal v6 system.

Cheers,
	Warren