Re: Titan Accelerator II

[pubpc1@library.ucla.edu]

spec@vax2.concordia.ca (Mitchell Spector) wrote:
>    I picked up some odds and ends on the weekend (still going through
>it) and one interesting item is a Titan Accelerator II card. It appears
>it may be faulty though, and so I have some questions about it:
>
>    First off, how did this accelerator differ from the TransWarp and
>ZipChip in terms of functionality and compatibility? I would like to
>install it in my Apple IIe and use with recent software, like ProTERM.
>There is a bank of eight switches and seven jumpers (all are shorted
>with a block), can someone provide me with information on these?
>
>    As for working with the card, when I plug it in most software will
>refuse to run. An "Unable to load ProDOS" message appears if I try and
>start most things up (removing the boards fixes this). Also odd, if I
>press control-reset, I see garbage off the to side of the screen, like
>this:
>
>    Is the board not properly configured or does it sound defective?
>All the chips are socketed (minus the silver "Titan Technologies" box
>in the corner) but I'm not sure which chips would be at fault. There
>appears to be 150ns 64Kx1 chips, which I replaced with equal chips,
>but that just made things worse so I put them back. Is it even worth
>the effort in repairing? I vagely recall a dicussion about how it was
>incompatible with alot of software and slot cards. Ah well, at least
>it came with the original box and slip cover, should I just keep it
>as a collectable. ;)

Are you sure you don't have a Titan III plus IIe board?  This is
a special card that, when plugged into an Apple III, disables all
emulation blocking hardware and makes the III able to run IIe
software.  With a 65C02, it will even run enhanced IIe software,
but it won't do mousetext.

-Scott G.