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Re: ARRANGE 1000 Row Limit
Are ZipGS and TransWarp GS still available, or should I just watch
eBay?
David Empson wrote:
> msean <msean1941@gmail.com> wrote:
>
> > bbaker4311@gmail.com wrote:
> > > I am not sure if you can do 1000 rows. But even if you could it would
> > > be interminably slow.
> >
> > It does 1000 rows but it takes 38 seconds. Which leads me to another
> > question. What's the best way to speed up my GS. It's ROM 3.
>
> Get an accelerator.
>
> There are two hardware options: the ZipGS and TransWarp GS. I have owned
> two ZipGSes, one of which was a little unreliable, and have inherited a
> third one when a friend got rid of his IIgs system. I haven't had any
> direct experience with the TransWarp GS.
>
> The ZipGS was originally supplied at speeds of around 7 to 9 MHz, but I
> forget how much cache RAM they support (at least 32 KB). If you have a
> fast enough CPU and cache RAM, and get the right crystal, they can be
> modified to run as fast as 14 MHz, though in some machines they need to
> be limited to somewhat lower speeds to work reliably.
>
> The ZipGS and TransWarp GS connect to the computer in the same way: they
> are a slot card with a ribbon cable which is plugged into the processor
> socket (the original 65C816 is removed). The card contains a faster
> version of the processor.
>
> The actual speed increase you get with an accelerator varies depending
> on the task you are doing and what I/O and memory operations it
> performs: at worst, it will run at the same speed as an unaccelerated
> IIgs, but at best it might be three or four times faster.
>
> If you are sorting a large AppleWorks spreadsheet, there will probably
> be a large amount of data being accessed, and a lot of write operations
> to memory, so the accelerator will be less effective, but I would still
> expect to see at least a doubling in performance.
>
> --
> David Empson
> dempson@actrix.gen.nz