Found a Commodore SX-64 but with a strange problem.

From: bill claussen <elecdata_at_kcinter.net>
Date: Sun Mar 11 10:38:08 2001

There were quite a few of them made, I was a service center for commodore, used
to have semi's pull up full for repair. May actually still have chips for
them..You may have a rom problem or pla problem.

Bill

"Claude.W" wrote:

> Hi
>
> Lucky guy a SX64,,,but it depends how much you paid...I was offered one for
> $500CAN not too long ago....sure I am crazy...
>
> I would check all chips on the boards and push on all of the socketed
> ones...specially the ROMs....
>
> By the way, I have been told that 5000 of these SX64 were made...does that
> sound right or can someone confirm this?
>
> Claude
>
> ----- Original Message -----
> From: Phil Guerney <guerney_at_bigpond.com>
> To: <classiccmp_at_classiccmp.org>
> Sent: Tuesday, March 11, 2025 6:00 AM
> Subject: Found a Commodore SX-64 but with a strange problem.
>
> > OK - So it might not be strange to those experts in Commodore hardware,
> so
> > I hope one of them reads this!
> >
> > This was one of the few missing things in my CBM collection until
> yesterday.
> > The system first appeared dead, showing just a blank screen. But then it
> > worked fine with any of my assorted game cartridges in the cartridge slot.
> > To test the disk drive, I pulled out a cartridge-based spreadsheet which
> had
> > load and save commands and the disk drive worked OK.
> >
> > The big surprise was when I put in the Simons Basic cartridge and this
> heavy
> > old "portable" C64 came up with its normal opening screen "SX-64 Basic"
> etc
> > and it loaded and ran a variety of programs from disk without a problem.
> But
> > without a cartridge, or with a C64 Super Expander cartridge, just a blank
> > screen.
> >
> > Could it be a RAM chip that is faulty, with Simons Basic causing some
> > relocation of memory that allowed the system to work? Unfortunately, the
> > insides are not nearly as easy to get at compared to a standard C64.
> >
> > Thanks in advance for any suggestions.
> > Phil
> > (Brisbane, Australia)
> >
> >
Received on Sun Mar 11 2001 - 10:38:08 GMT