More Apple II fun - 4116s...

Ethan Dicks ethan.dicks at
Thu Apr 30 19:51:55 CDT 2009

On Thu, Apr 30, 2009 at 6:05 PM, Chuck Guzis <cclist at> wrote:
> Converting the original IBM 5150 planar from 64K using 4116s to 256K
> using 4164 was the subject of a number of kits--and magazine
> articles.  It wasn't difficult.

But wasn't that board designed to reroute/disconnect -5V and +12V to
the memory array without soldering, or was some minor re-work required
for the earliest rev 5150 motherboard?


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