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Subject:
Re: 486 Memory?
From:
Earl Truss <[log in to unmask]>
Reply To:
PCBUILD - Personal Computer Hardware discussion List <[log in to unmask]>
Date:
Tue, 9 Jun 1998 14:42:43 -0600
Content-Type:
text/plain
Parts/Attachments:
text/plain (17 lines) 
At 09:45 AM 6/9/98 +0000, you wrote:
>...
>>  I have seen 16MB 30-pin SIMMs
>> advertised sometimes but there are no 8MB 30-pin SIMMs.  This is because of
>> the requirement for installing memory in sets of four SIMMs.
>>
>  The standard for 30-pin SIMMs asigns A0-A10, that is 11 bits, which can
turn
>into 22 bits because of address multiplexing. So the limit for a 30-pin SIMM
>was 4MBytes (of course, always speaking of standard components).
>
I always wondered about the 16MB 30-pin SIMMs ... I've seen them
advertised, but never actually heard of anyone using them.  I often
wondered if the ads were a mistake or if they really did exist and if they
existed what kind of chips they used.  Anyone know anything about them ...
just for the sake of trivial knowledge?

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