Re: screen flicker: probably not X related

Pippa Reeves is a darn nice person I don't care what anybody says!

<snip>
> A-haa..... the dreaded 'Wall Wart" strikes again. If you had mentioned
> there were other bits of equipment in the area around the monitor I may
> have even suggested the transformer in one of those pesky little things.
I did but no matter now.
" bulkhead underneath for 
support and onto which I installed some power points for two printers two pcs 
and associated AC/DC converters.".
> CRAFT disease strikes again I guess.... I had forgotten about the effect
> from the "wall wart" that runs the network switch I have...... the power
> board is on a shelf about 450 mm away from the monitor that's used for my
> 'server farm'... any closer to the monitor and the picture starts jumping
> up and down! I guess it comes down to the use of cheaply made transformers
> and the design allowing the magnetic field to extend quite some distance
> from the unit.
.......and coincidently, it was the transformer for the switch. 
> I suppose you could always change the wall wart to a switchmode type unit
> if your work area layout forces you to have it located close to the
> monitor. The switchmode ones use a much more efficient transformer design,
> this would be because of the high frequency operation of the switchmode
> supply as opposed to the 50Hz operation of a mains transformer.
I have two 9V and two 7.5's if I could simplify with I unit providing varied 
output to 4 devices maybe I would consider, but the magic words are cost and 
simplify.
-- 
Cheers,

Rick Miles

Movement stopped is no movement,
and rest set in motion is no rest.

Written on Sweetmorn, the 61st of Chaos, 3171 
http://www.members.optusnet.com.au/~rickfrm/