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Lord Crucifier
Registered: Feb 2004
Posts: 49 |
Estimated lifetime of a C64
I'm starting to see a pattern emerging in my life: C64 in the attic for a while, C64 build up & used for a while, C64 back in the attic, etc...
Does anybody have any idea how long we can keep this up before our C64's die? Is corrosion etc. of the inner parts something to be considered, or can we pull our C64's out of the attic when we're 80, set it up and it'll start right away?
Just wondering... |
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Derision
Registered: Feb 2002
Posts: 69 |
I've only had one system actually "die". Power supplies come and go, but the hardware... eesh. It seems that the lifetime of a C64 sounds more like the estimated lifetime of a car (15-20 years) than a computer. The system that actually died on me was a C128, and that died because it got swept down a river in a flood. One would imagine that sort of thing isn't too gentle with electronics. The rest of them... a 1986 64C, another brown 64, a 128D and one of the very early C64s (with the orange function keys)... they've been jostled around, taken apart, stored in the lead-melting heat of my attic and just generally abused... and they all still work (at least last time I checked, which was maybe three years ago). CBM built these things to last... I doubt they'd be tougher if they were made out of concrete.
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Nafcom
Registered: Apr 2002
Posts: 588 |
well, infact I have often heard of computers haveing a lifetime of about 10 years, so it's no wonder it could also handle 15 or so ;) |
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drake
Account closed
Registered: Dec 2002
Posts: 207 |
maybe your commodore will survive you ;-)
-2 start press any key..where is the any key?-
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Nafcom
Registered: Apr 2002
Posts: 588 |
Quote: maybe your commodore will survive you ;-)
-2 start press any key..where is the any key?-
I plan to live forever :P |
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SIDWAVE
Account closed
Registered: Apr 2002
Posts: 2238 |
I don't know about this..
All I know right now is this:
When I add a number to itself, x times.
(accumulation add)
lda number
add 8
sta number
repeat
it give me always +2 more than it should be.
this never happened before now.
My C64 is from feb 1985.
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SIDWAVE
Account closed
Registered: Apr 2002
Posts: 2238 |
I forgot to say: some experts in TV (if you belive TV experts), they said electronics from the 80's is likely to work 45 years +-5, and from the 70's it should be 25 +-5 years.
I don't really know.
If you just turn on your C64 and leave it on, the chips will go to near 70 degrees withín 15 minutes.
IF you don't put a heat-sink on them or air vent them, they're gonna operate near 70 degrees the whole time.
That isn't healthy.
I am quite sure, the optimal is to have a C64 turned on for about 40 minutes, then off.
It operates the time it takes to get near 70, and then operates at max for the same time as it took to get to max.
This i learned in electronics.
Then it is neither too cold or warm, when turned on again.
Always wait 20 mins to turn it on again. if operated at max heat (40 mins).
The same goes for disks.
Use them regularly, and they will work.
No use = they start to fail.
The magnets in the disk need stimulation.
enuff... |
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Booze
Account closed
Registered: Sep 2004
Posts: 28 |
Quote: maybe your commodore will survive you ;-)
-2 start press any key..where is the any key?-
Indeed, those C64's are pretty tough, I'd say many could easily outlast us ;-)
Makes me think of Scotty talking to a mouse "Hello Computer?" in some Star Trek movie or other...
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MaD ][
Registered: Sep 2004
Posts: 23 |
Hi all,
I collected five C64, some of them were dead so I decided to start repairing myself... now i've five C64 working fine.
Most of them had U17(PLA) blown... some other had VIC-II(6569) blown... a couple of them had 74LS258 not working (really hard to find here in Italy, at least where I live).
Sadly 4 of them got 6581(SID) with 1 voice KO so i began looking here and there to find a replacement, finally I found an old C64 repairing centre with lots of never used 6581... Bought six 6581... ALL OF THEM had 1 voice KO!!! I felt really frustrated... but this is also really strange!... Maybe the analog part inside 6581 is subjet to degrading with time? Anyone knows (or heard) something about it?
Another strange thing I noticed was the music tone, listening to some sid music it seems to be a little out of tone compared to what I remember... |
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