[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Apple II+ Flakey Inverse Characters



On Jan 8, 4:20 pm, mwillegal <m...@willegal.net> wrote:
> I think that you are on the right track.
>
> A flakey 2513 was my first guess, but you indicated that it only
> happened
> in inverse mode.  This problem should not be dependant upon mode,
> though it
> may be more obvious in certain modes. I had a batch of NOS 2513 chips
> where
> about 50% of them had this issue.
>
> Regards,
> Mike Willegal
>
> PS
> the 341-0036 character rom part listed on the site you mention is not
> a 2513 and is not compatible
> with early Apple II motherboards.
>

My motherboard is a revision 7 RFI board, so I am hoping it matches...
if not, I assume I can locate the binary image and burn my own?

Will