Who wants to help read a Saturn V core stack?

Daniel Seagraves dseagrav at lunar-tokyo.net
Sun Nov 9 21:01:09 CST 2008

Yeah, we've been over that, and were considering getting some of the 
memory interface logic from the computer, but it seems the backplanes 
varied widely,
so using the original logic might be harder than rolling our own.

On Nov 9, 2008, at 8:54 PM, Jim Battle wrote:

> Daniel Seagraves wrote:
>> Those of you with experience reading cores, we need your help in 
>> reading out a LVDC core stack.
>> If successful, this will likely be the only example of the LVDC 
>> flight software left in existence.
>> Please see 
>> http://www.ibiblio.org/mscorbit/mscforum/index.php?topic=1891.0
> That could be very tricky if you attempt to read it out -- reading 
> core is destructive, so if rig up an interface and you don't capture 
> the data the first time, you might not get a second chance.
> People on this list have talked about some film that changes 
> polarization or color or something in the presence of magnetic fields. 
> Core is orders of magnitude larger than the bit domains of floppy 
> disks, so using such a film to read out the core state 
> non-destructively seems like a good idea.
> I haven't read the thread linked to above, so maybe this is already 
> under consideration.

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