Re: PET 2001 RAM question

Den Tue, 30 Jan 2018 23:53:46 -0500 skrev Ethan Dicks
<ethan.dicks@gmail.com>:
> On Tue, Jan 30, 2018 at 8:27 PM, Mia Magnusson <mia@plea.se> wrote:
> > I know that there are some existing projects where you put a small
> > PCB between the 6502 and the motherboard, and while that would be an
> > elegant solution, it seems historically more incorrect than adding a
> > 62256 to the expansion connector. But maybe I'll change my mind
> > later. :)
> 
> That's what I'm doing for my 2001-8.  I don't have enough working
> 6550s to run an 8K machine, so I have a single 62256 on a CPU socket
> board strapped for 8K.  It would just take moving a jumper to go to
> 32K, but with original 6540 ROMs (the board can take a JEDEC EPROM but
> I don't have one installed right now).

Did you remove all main RAms on the motherboard, or do you use some
other method to make it not collide with the 62256?

-- 
(\_/) Copy the bunny to your mails to help
(O.o) him achieve world domination.
(> <) Come join the dark side.
/_|_\ We have cookies.

       Message was sent through the cbm-hackers mailing list