Path: utzoo!mnetor!uunet!husc6!im4u!tut.cis.ohio-state.edu!mailrus!caen.engin.umich.edu!billkatt
From: billkatt@caen.engin.umich.edu (Steven James Bollinger)
Newsgroups: comp.sys.mac
Subject: Re: Memory configuration for Mac II ?
Message-ID: <838@blue.engin.umich.edu>
Date: 5 May 88 02:30:52 GMT
Organization: caen
Lines: 17

> labeled (Bank B) and (Bank A) from left to right (I think).  The new
> board is now labled SIMM1 SIMM2 SIMM3 SIMM4 from left to right, each
> label covering 2 simm slots.
> 
> Can I use any memory configuration that I want as long as the 2 simm 
> slots have identical simms?  (like the 2.5 MB configuration in Plus/SE)
> 
> if anyone else has done this, or if they have a simular mother board
> labeled in this way.  
> 
> Thanks for any/all ideas!
Nope, you have to put the SIMMs in in Groups of 4.  The Mac II is true
32-bit and so fetches from four SIMMs at once, therefore, all four must
be the same.  In short, SIMM1 & SIMM2 must be twins and SIMM3 & SIMM4
must be twins.

Steve Bollinger    (billkatt@caen.engin.umich.edu)