Re: SATURN 32K RAM BOARD

[gabe123@freeshell.org (Max Smart)]

mjmahon@aol.com (Michael J. Mahon) wrote in message news:<20030321183053.10901.00002379@mb-dh.aol.com>...
> In article <fbb3caaf.0303201533.5ad23e88@posting.google.com>,
> gabe123@freeshell.org (Max Smart) writes:
> 
> >mjmahon@aol.com (Michael J. Mahon) wrote in message
> >news:<20030320135628.10901.00002265@mb-dh.aol.com>...
> >> In article <fbb3caaf.0303191521.4e25d88c@posting.google.com>,
> >> gabe123@freeshell.org (Max Smart) writes:
> >> 
> >> >"Redskull" <redskulldc@DESPAM.yahoo.com.au> wrote in message
> >> >news:<fTWda.6046$L57.53631@news-server.bigpond.net.au>...
> >> >> "Max Smart" <gabe123@freeshell.org> wrote in message
> >> >> fbb3caaf.0303180855.213750c0@posting.google.com">news:fbb3caaf.0303180855.213750c0@posting.google.com...
> >> >> > "Redskull" <redskulldc@DESPAM.yahoo.com.au> wrote in message
>  news:<i5Bda.4437$L57.41352@news-server.bigpond.net.au>...
> >> >> > > "Max Smart" <gabe123@freeshell.org> wrote in message
> >> >> > > fbb3caaf.0303161311.5974b4@posting.google.com">news:fbb3caaf.0303161311.5974b4@posting.google.com...
> >> >> > > > I have a Saturn 32k ram board for an apple ][+.  Can anyone please
> >> >> > > > tell me how to use it.  It has a cable that also plugs into a ram
> >> >> > > > socket on the apple ][ motherboard.
> >> >> > >
> >> >> > > Works exactly the same as a 16k language card except for:
> >> >> > >
> >> >> > > Selecting the different 16k banks is accomplished by accessing
> >> >> > > C0N4 (first 16k bank)
> >> >> > > C0N5 (second 16k bank)
> >> >> > > when N is the slot number the card is in + 8.
> >> >> > > ie. slot 0 = C084,C085.
> >> >> > >
> >> >> > > Larger saturn cards use C0N6,7,C,D,E,F aswell
>  
> >> >> > > Red
> >> >> > which ram socket do i plug the cable into.  It won't reach the one in
> >> >> > the back corner.
> >> >> 
> >> >> What model Apple 2 are you trying to plug it into?
> >> >> 
> >> >> Red
> >> >An Apple ][+.
> >> 
> >> That's good.  Any Apple later than the ][+ requires a different kind of
> >> memory expansion card.
> >> 
> >> The 16-pin connector plugs into the "nearest" 16K DRAM chip socket,
> >> after removing the DRAM, of course, and relocating it to the empty
> >> 16K DRAM socket on the 32KB card.  (Often, this socket will already
> >> have a 16K DRAM in it, since the person who removed the card from
> >> the system it came from didn't know enough to remove it and replace
> >> it in the main board DRAM socket the card's jumper was plugged into.)
> >> 
> >> This hack provides the 32KB card with DRAM timing signals which
> >> are not present on the slot connectors, and would otherwise have to
> >> be generated on the card.  It was first used by Apple in the "Language
> >> Card" 16KB card, which generally set the hardware standards for
> >> memory expansion cards on the early ]['s--and the "chip jumper" hack
> >> was one of the stunts that became semi-standard.
> >> 
> >> -michael
> >> 
> >> Check out amazing quality 8-bit Apple sound on my
> >> Home page:  http://members.aol.com/MJMahon/
> >
> >
> >I installed the card but i dont know how to use it.  I tried peeking
> >and poking at those memory locations but nothing happened and
> >sometimes it freezes and i have to reset.  Also, what does the swithc
> >on the back of the card do?
> 
> In general, "you" _don't_ use it--it is used by system software and
> a few applications to provide additional capabilities and additional
> space.
> 
> For example, if you boot a DOS 3.3 System Master, it will automatically
> load whichever BASIC is not on the main board into the first 16KB
> bank of the card.  If you have a ][+, Applesoft is on the main board
> ROMs, so this will give you Integer BASIC.  (This may or may not
> be of much interest to you.)
> 
> You can also now use ProDOS version 1.x, which makes good use
> of the first 16KB bank.  Pascal requires thr first 16KB bank (and was
> the original reason for the "Language Card"s existence).
> 
> If you use some disk copy programs, they will find the extra memory
> and use it to reduce the number of disk swaps.
> 
> It is unlikely that you would use Appleworks on a ][+ (there are some
> extension packages that support it), but if you do, you will find that
> your "desktop" is 16KB richer because of the _second_ 16KB bank
> (ProDOS uses the first).  (Assuming that Appleworks has a memory
> manager module that can use >16KB slot 0 cards--ISTR that it does.)
> 
> There are some "DOS relocators" which will load DOS 3.3 into the
> first 16KB bank, giving you somewhat more memory for Applesoft
> or other programs.
> 
> The card is not directly usable from Applesoft, but it is a useful
> addition to a ][+, since much later software (particularly ProDOS)
> requires it to run.
> 
> -michael
> 
> Check out amazing quality 8-bit Apple sound on my


Thanks.  I have a prodos boot disk from my apple ][c.  How can i run
prodos on the ][+.  I also can't put the card in slot 0 because i have
a rom card in there.  Also, should the switch be in the up or down
posistion?