Re: ADT / ADTPro and accelerators

["Michael J. Mahon" <mjmahon@aol.com>]

schmidtd wrote:
> In his review of ADTPro in Juiced.GS, Mike Maginnis mentioned that
> ADTPro failed to transfer correctly at the highest baud rates when 3rd
> party accelerators were used in non-GS machines.  I don't happen to
> have a ZipChip or similar to test myself, so I hadn't seen that
> before.  My accelerated GS and IIc+ will run fine at top speed.  But I
> have every reason to believe Mike, because in the Apple /// I
> borrowed, I had to clock it back to 1MHz during serial I/O to get it
> to work correctly at the highest baud rate!
>
> So, my question is this: for those with ZipChips or TransWarps in II/II
> +/IIe machines, does ADT as well as ADTPro fail at the highest baud
> rate (115.2kbps)?  Do people typically turn off acceleration for disk
> image transfers?  In other words, did I introduce a bug, or did things
> always work this way?

Your IIc+ is *exactly* an Apple II with a built-in 4MHz Zip Chip, so
your experience applies in the case of the Zip Chip.

-michael

AppleCrate II: An Apple II "blade server"!
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