[iyonix-support] Re: Pyjama effect - thoughts
- From: davehigton@xxxxxxxxxxxxx
- To: iyonix-support@xxxxxxxxxxxxx
- Date: Thu, 22 Feb 2007 08:37:31 +0000
Quoting RJT <Richard.Torrens@xxxxxxx>:
> There seems to be no known cure for the pyjama effect.
Yes there is - buy a new video card (which will require you to upgrade
to RO5.12).
> But it seems to me it is a hardware/design fault.
>
> If it is cured by disconnecting from the mains - then the internal power
> supply is not completely switching off, but is leaving a residual voltage.
It isn't cured in this way. If you think it is, I'd suggest that you
are believing a false correlation.
> Is this design - or accident?
It doesn't happen like that.
> If design - what memory is it maintaining? This clearly needs to be
> blanked at power up.
>
> If accident - maybe a trickle resistor to discharge it would effect a
> cure. Or some other hardware method of disallowing an unwanted residual.
When the "soft power switch" is off, there is no power to the motherboard.
> Whatever - it's a design fault. If the Iyonix needs a hardware power
> switch - it should have one!
It does have one, on the back. At least, mine does.
> Is the circuit of the Iyo available? Some of us on this mailing list may
> be able to give ideas if it is.
Yes, I might be interested in that, too.
Dave
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