Hello Lee, 
thanks for confirming this! To my knowledge, that would have been the only 
place world-wide in very recent past where 300MB drives based on disk packs 
would still (or again) be operational and actually be used!
Simply amazing - and so unfortunate that it's closed!

Greetings, 
Pierre


Am Freitag, 2. Juni 2023 um 19:52:38 MESZ hat Lee Courtney <leec2...@gmail.com> 
Folgendes geschrieben: 





Hi Pierre,

Yes, when LCM was open the Sigma-9 and the connected drives were up and 
operational, I can't remember what OS the system was running. Maybe CP-V or 
UTS? 

Lee

On Thu, Jun 1, 2023 at 11:51 PM P Gebhardt via cctalk <cctalk@classiccmp.org> 
wrote:
> Hi all, 
> 
> I just came across pictures on the LCM website about their SDS Sigma 
> installation there.
> On the pictures, one can see 10-platter disk packs in the corner and stored 
> on the disk drives. 
> Did the LCM ever had these in operation, either for data retrieval or even 
> demo purposes?
> I know of the Jim Austin Computer museum where they fixed a CDC 9766 drive 
> but it suffered
> a head crash after a few hours according to their description which led to 
> giving up the operation 
> of these drives.
> 
> Greetings, 
> Pierre
> 
> -----------------------------------------------------------------------------
> http://www.digitalheritage.de
> 


-- 
Lee Courtney
+1-650-704-3934 cell

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