1Mx4 DRAMs (was Re: 8008 chips)

Fred Cisin cisin at xenosoft.com
Mon Dec 15 19:09:05 CST 2008


On Mon, 15 Dec 2008, Ethan Dicks wrote:
> Perhaps there were in the early days, but I don't recall many SIMMs
> with DIPs, and those I do recall had 9 chips, not 3.  There was this
> cycle of lots of smaller chips rather than few large chips, then the
> economic balance would tip, but that started with 256K SIMMs.

Many early SIMMs were DIP based.  One popular configuration was two 1Mx4
DIPs, or two 1Mx4 DIPs plus a 1Mx1.
They were even available socketed! (to use the DIPs that are now getting
scarcer)
The 9 DIP SIMMs were generally thought to be more reliable.





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