Another SX-64 problem for the group.

[Ethan Dicks]

On 6/16/06, Roy J. Tellason <rtellason at verizon.net> wrote:
> On Thursday 15 June 2006 09:43 pm, Ethan Dicks wrote:
> > (unless you happen to have a C-64 diagnostic cartridge and cable
> > harness, a tool sometimes used by C= dealers for debugging _mostly_
> > dead machines).
>
> I have that setup,  and it really doesn't do all that much,  and surely
> doesn't work on most all of the machines that I have encountered that gave
> the "blank screen" symptom.

True enough.  It's mostly useful for debugging keyboard and joystick
ports (6526s)

> We got it because we were a c= "factory service
> center" at the time.  I still have it someplace,  but have no idea where it
> is and am not too worried about finding it.  :-)

I have a couple myself that I got from a defunct C= service center.

> > If any of the DRAMs feel _really_ hot (too hot to keep your finger on),
> > that's a symptom of fried RAM, an occasional cause of inertness.
>
> Occasional?

Occasional as in "sometimes the machine is dead because of a fried
DRAM", not "sometimes a hot DRAM is fried".

-ethan