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Re: Apple II ROM

William Garber wrote:

"Patricia Shanahan" <pats@acm.org> wrote in message news:qh32h.713$0r.204@newsread1.news.pas.earthlink.net...
: Inspired by a History of Computing course I'm auditing, I dug my Apple
: II out and powered it up.
:
: It displays a screen with "Apple ][" at the top, otherwise blank. Reset
: puts it in the monitor, which works correctly. It fails to enter Basic
: or the mini-assembler.
:
: I've used the monitor to display ROM contents. The Monitor ROM, F800 and
: up, matches pieces of code in the Reference Manual. The remaining ROMs
: contain what looks like junk, and do not match Reference Manual listings.

Hi Patricia,

If you haven't already, try lifting both ends of each
of the ROMs up about 1/16" and reseat them. This may
clean the pins and socket contacts good enough to make
better contact.


I should have mentioned that I did already try that, based on the same
reasoning, unfortunately with no change in results.

Patricia