Help Identifying RAM Chips

From: John R. Keys Jr. <jrkeys_at_concentric.net>
Date: Mon Nov 3 19:16:14 1997

You are right it was a typo on my part.
At 06:35 PM 11/2/97 -0800, you wrote:
>> Your chip #1 is a 64k chip speed of 30ns, chips 2&3 are 256k at 150ns speed.
> ^^^^^^^^^^^^^^^^^^^^^^
>
>I disagree with the 30ns figure; why the heck would a Compaq
>Portable from 1983 have 30ns RAM in it? 300ns seems
>far more likely, and is perfectly consistent with the numbering
>from manufacturers of that era.
>
>> The last set of tell the the size and speed (64-3 and 256-15). John
>> >I have two original Compaq Portables, both of which are giving POST
>> >errors when they boot which indicate bad RAM. I have gone through a few
>> >...
>> >Chip #1:
>> >Hitachi
>> >1818-3006
>> >Japan 8332U
>> >HM4864P-3
>
>Tim. (shoppa_at_triumf.ca)
>
>
Received on Mon Nov 03 1997 - 19:16:14 GMT