IBM 4331 Mainframe

Kirk Davis kirkbdavis at
Mon May 1 11:43:51 CDT 2017


> On Apr 30, 2017, at 9:38 PM, Guy Sotomayor Jr via cctalk <cctalk at> wrote:
> Just to let folks know that I finally moved the IBM 4331 Mainframe this past weekend
> from where it was currently stored to my shop.  Pictures are here: 
> <>
> As can be seen in the pictures, it filled a 26’ box truck that I had rented for this purpose.
> Right now I just have it placed somewhat in my shop.  Some early tasks will be:
>   * I have to verify that I have everything.  Even if I missed some items, they won’t be
>     scrapped.  I just need to go over what is currently in my shop and verify that I didn’t
>     leave anything behind.  I’m mostly worried about cables at this point.
>  * I have to figure out some way to produce enough “clean” 3-phase power to run the
>    peripherals (the CPU is 220v single phase) as I only have 220v single phase coming
>    into my shop.
> Starting to power it up will probably be a while yet.  ;-)
> TTFN - Guy

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