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Re: Help identify this 30-pin SIMM (markings) - old



In article <bwpatter-BF06A1.06543205042002@news.bellatlantic.net>,
Blake Patterson <bwpatter@bellatlantic.net> wrote:

>I am looking to upgrade my Mac Plus to 4MB RAM (max).  It has 4 30-pin 
>SIMM slots.  A quick look into my memory box reveals 4 SIMM's with these 
>markings:
>
>AAA1M300J-06 
>NMBS 9222 V3 
>
>...on each of the 8-chips per SIMM
>
>A quick search revealed this:
>
>"30 pin (tin) 1 Meg SIMMs - 9) AAA1M300J-07 single sided chips"
>
>So it seems the -07 chips make up a 1MB SIMM (I am hoping these are 1MB 
>SIMM's).  I assume the -06 v -07 is a speed issue?  I just need < 140ns, 
>and these _must_ be faster than that.  Any verification?

http://www.chipmunk.nl/DRAM/DRAM.htm

Stan