Integral RAM upgrade

29 Feb 2008

...
  1M (82916, settings after I upgraded my 512K board)
 W3, W4, W5, W6, U45 ('ALS157), W14, W12, W13. 32 off 41256 RAMs.

Thanks for this info Tony.

...
   Jos, busy
finding the DRAM's in my "archive"  
 A it of advice if you're doing the upgrade. If, as I did, you decide to 
 socket the new RAMs, you can used turned-pin sockets, 
I tend to not use sockets in this case.
I will test the boards after freeing the holes, test the 41256's before use, but then
I will just solder them.

I am just fighting multiple 4116 failues in my Lilith's spare memory boards, and these
drams are soldered in.  It is a pain, but i believe 41256 are less errorprone then those 
3-voltage 4116's and I just dont like sockets.

BTW Lilith hardware and microcode docs are up on bitsavers, if you are looking for some
bedtime literature ! 

						Jos

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Integral RAM upgrade