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Forums > CSDb Discussions > can c=64 software damage its hardware?
2004-11-14 14:12
Ebster

Registered: Nov 2003
Posts: 7
can c=64 software damage its hardware?

i know this sounds stupid, but something strange happened yesterday. i tried to delete the scores in world games (triad) with my action replay-mon, saved it to disk as "test". then i used some triad disk utility to change the name and position and saved changes to disk. pushed reset on my action replay and then discovered some "!"-sign left of "f7 install fastload" on that white reset screen. pressed f7 and got to that c64 initial screen, the "!" being still displayed. tried to run my disk and discovered that the directory wouldn´t fully load, breaking with some error. tried to reset several times, also power off for minutes, that "!" still being displayed, even with no periphericals plugged in. loaded some programs and they wouldn´t start or behaved strange. i guess my c64 is broken :( could it have been my fault or is it just a strange coincident??

thanks a lot!
 
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2004-11-19 18:40
Ebster

Registered: Nov 2003
Posts: 7
thanks guys! bugjam just gave me a new used c64 and he opened the old one, tested it and concidered some crash on a ram chip. should have had nothing to do with this diek edit stuff..
2004-11-19 18:41
Ebster

Registered: Nov 2003
Posts: 7
btw... how can i blank the world games scores??


;-)))




i am really interested!
2004-11-19 22:24
carlsson

Registered: Nov 2002
Posts: 41
Anyway, that PET smoke poke supposedly kills the (integrated?) display, not the mainboard? It depends on how much of a system you call a computer, and in the case of an integrated monitor crashing down, you may as well say the whole computer is unusable.
2004-11-20 19:24
Ebster

Registered: Nov 2003
Posts: 7
dont know why it didn´t work the first time, but you just have to fill $0e00 - $0f00 with $00 on worldgames3 file and replace the original file - just for those interested..
2004-11-21 01:08
ready.

Registered: Feb 2003
Posts: 441
Some time ago I found an interesting music editor. It was peculiar since it didn't use the SID and the speakers for making music but the movement of the drive head. I tried it but the sound of the drive head vibrating was so loud that I thought it might get broken and I immediately turned off the drive. Don't know if that sofware could really damage the drive. The software was called "Drive music"
2004-11-21 14:13
algorithm

Registered: May 2002
Posts: 702
The only method which might damage the hardware (who knows?) would be turning on/off the c2n tape motor rapidly (by using location 0 or 1?) this would have an effect of giving current and switching off the current to the tape motor and would sometimes give a shivering shaking display) doing this for some time would probably short something?
2004-11-21 14:30
enthusi

Registered: May 2004
Posts: 675
whoa...
I assembled a lightbulb to that motor :o)
its in #$01 but needs $0c!=0.
Well I didnt care too much about how often I switch it :) Trying to dim the light with variable on/off-frequencies did not only work pretty nice but also not crashed the machine (yet).
I've done nasty things with some boards and some displayed some crap then but after shutting off everything for like half an hour almost everything went back to normal...
2004-11-21 15:46
Steppe

Registered: Jan 2002
Posts: 1510
Almost? Hehe... ;-)
2004-11-21 21:07
yago

Registered: May 2002
Posts: 332
Quote: The only method which might damage the hardware (who knows?) would be turning on/off the c2n tape motor rapidly (by using location 0 or 1?) this would have an effect of giving current and switching off the current to the tape motor and would sometimes give a shivering shaking display) doing this for some time would probably short something?

I remember the display not to shake, but to "fade a little bit to red".
Did you experience the shaking with C64 or C64C ?
2004-11-22 19:40
algorithm

Registered: May 2002
Posts: 702
It was the C64C. The shaking would possibly be due to turning on and off the power to the C2N which would give unstable power to the C64
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