[vdr] Re: current consumption

["Bläser, Lars" <LBlaeser@hofheim.de>]

> From: Tobias Meyer-Janson
> [mailto:tobias.meyer-janson@sign-lang.uni-hamburg.de]
> Sent: Thursday, February 13, 2003 12:40 PM
> To: vdr@linuxtv.org
> Subject: [vdr] Re: current consumption
> 
> 
> >Tobias Meyer-Janson wrote:
> >
> >>  > - can your motherboard supply enough to the PCI-slots?
> >>
> >>  How can I test this?
> >
> >You need an appropriate equipment to measure the voltage on the
> 
> So, to say it short: I cannot measure this.  :-(
> I think that means: All I can do is update the BIOS (if I can without 
> Windows/DOS) and if that doesn't help, buy a new PSU.

to give you raw numbers, i had a 200W PSU in my vdrbox (2 full DVB-s,2 HDD, 1.1 GHz Celeron, 128 MB SDRAM, LAN,) and problems, when recording on the second card i had artefacts on tv on the first, to track this i connected a 12V fan and the probs got worse
the PSU had 6A on 12V, thats to low, temporary i have a 350W with 15A on 12V, but will be replaced with a better 250W with 12A on 12V

i think the problem is that the LNB needs 14/18 V and maybe its a little bit "power-consuming" to get this voltage from 12V


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