Re: Apple IIe Chip ID and Error

["John King" <joki@eskimo.com>]

74166 or 74LS166 is a Parallel-Load 8 bit shift register in an old TI data
book.

My board has a 74166, the LS a lower powered version of the same.




"Harvey Lucas" <hlucas3@hotmail.com> wrote in message
news:rAjP4.15348$g4.403068@newsread2.prod.itd.earthlink.net...
> When I run the self-diagnostic on my Apple IIe (unenhanced), I get "RAM:"
in
> the upper left hand corner of the screen and it hangs there. Does anyone
> know what may be causing this? Also, can anyone identify the function of
the
> chip immediately to the left of the RAM chips when facing the board form
the
> keyboard side ? Below the chip is the number "5" and above the chip is the
> code "LS166." It quickly gets warm/hot to the touch and I am concerned
that
> this may be part of the problem. Thank you.
>
> Harvey Lucas
> hlucas3@hotmail.com
>
>