Re: 9V AC needed for C64?

From: Martijn van Buul (
Date: 1998-09-03 11:41:28

MagerValp wrote:
> >>>>> "Martijn" == Martijn van Buul <> writes:
> MV> I found a full tower PC case today and I'd like to try to put one
> MV> of my C64s in it. It's in really good condition and it's even got
> MV> one of those MHz displays :) I've figured out how to connect the
> MV> keyboard, but what do I do with the 9V AC from the PSU? Is it
> MV> actually needed in the C64 or is it just available on the user
> MV> port? IIRC the SX-64 doesn't use 9V AC and it works just fine :)
> Martijn> Euh... If you've got an old C64 (No C64c etc, old VIC and
> Martijn> SID),
> I have a breadbox C64 and one of the earlier C64c with the old PCB, so
> no luck there.
> Martijn> you'll most definately need 9V AC,
> OK. I guess I'll have to get creative. I could always mount the C64
> power supply inside the case and connect it's ground to the PC PSU.
>   Does the 128 use 9V AC?
EUh... My 128D (plastic) has 9V AC... 

Speaking of 128D's (off-topic!): How many 'national' versions were
there of this machine? I've got a German 128-flat, a French/Belgian
128D (AZERTY sucks, btw) (ah well.. I wish it would, actually), I remember 
reading that there was a swedish version too..


> Martijn> since this is used to create the 12V needed by the VIC and
> Martijn> SID. Furthermore, the Time Of Day-clock from the CIAs are
> Martijn> timed via the AC line.
> Does anyone use the TOD?
Not that I'm aware of. I wish Commodore would have done. It would
make that TI$ thingie quite a lot more accurate.

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Martijn van Buul,
Tijntje@OuterSpace - 3333 
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