Re: Motherboard chip descriptions?

[russotto@grace.speakeasy.net (Matthew Russotto)]

In article <eq0dd.17730$54.312135@typhoon.sonic.net>,
Don Bruder  <dakidd@sonic.net> wrote:
>
>Punch any one of them that you're interested in into google, adding a 
>space, and the magic incantation "+datasheet" after the numbers. Don't 
>give up if the first try gets you nothing - If you've got, for instance, 
>a chip labeled 74HCT123N, try it first exactly as-labeled. If that 
>returns no hits, try it as 74HCT123. If that gets you nowhere, try it as 
>74LS123, and keep on trying until you've found a match - the letters in 
>the middle are different specs for the same chip 

But beware there are a few chips whose pinout changes from the regular
version to the LS or ALS.  I think at least one such is used on the Apple
II, but it may have been a peripheral card.