DEC (Minc 11?) RX01 disks and PUTR

From: ajp166 <ajp166_at_bellatlantic.net>
Date: Fri Apr 20 17:46:49 2001

From: Don Maslin <donm_at_cts.com>
> I have been asked to see if I can transfer the contents of some 8"
> disks to PC compatible disks. A CP/M disk has offered no challenge,
> but I am stopped dead on a disk whose label indicates that it was
> for use on a DEC Minc 11.


Are you sure they are RX01 (single density) and not RX02 (double density
but m2fm)?
The latter is not readable on anything nonDEC compatable.

> Using AnaDisk, I am able to determine that there are 26x128 byte
> sectors per track, but with a data error message for each sector.
> Considering some of DEC's strange format characteristics I am not
> too surprised that AnaDisk has a problem with it. But PUTR's
> problems do surprise me. Another disk gives exactly the same result.
> It is certainly possible that the disk is simply bad, but could there
> possibly be some other operating system format that is also 26x128
> but does not respond to PUTR and the options that I have tried.


the RX02 has SD header and DD data, NONE of the IC controllers can
read that.

> Thanks for any hints that you can offer.

find a PDP-11 (MIC-11 is a PDP11 with lab interfaces).

Allison
Received on Fri Apr 20 2001 - 17:46:49 BST