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Re: Question about Apple ][ ROM chips!



Wayne Stewart <waynes@intergate.bc.ca> wrote in message news:<3B95A0A4.53112766@intergate.bc.ca>...

> Given the date, it almost guaranteed to have been a II+. I believe it
> should
> likely be a Rev 4 board. If so then above the 6502, between slots 3 & 4
> should be the word REV and in the hole at the bottom of slot 4 should
> be the number 4. Also in the Rev 4 all the 16K memory select blocks
> are soldered in and not removable. 

Yep, it says Rev 4, and the memory select blocks are soldered.  -sigh-


> On the second board at the feft side of the motherboard should be a set
> of
> numbers over the Apple 1979.  Something like 820-0044. Whatever they are
> will identify the revision.

It says 820-0001-07.

> The II+
> came out when the boards with the 1978 copyright were still being made.
> Since both your boards were made in 1980, there's almost no chance they
> were ever anything but a II+.

-sighs again-