PDP-11 disk image question

Paul Koning paulkoning at comcast.net
Wed Feb 20 13:14:12 CST 2019



> On Feb 20, 2019, at 2:09 PM, Paul Koning via cctalk <cctalk at classiccmp.org> wrote:
> 
> ...
> No, that's not what the symptoms say.  If you were dealing with geometry confusion, you'd fail much earlier.  For example, if you were to take a RSTS system built on an RP06, and image-copied it to an RM05, it would fit fine (the RM05 is much bigger).  And since the "device cluster size" is 9 for both, 

Typo. 8, not 9.  DCS is a power of 2, the smallest value such that device size / DCS is < 65536.

	paul




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