Brad Benson wrote:

> On 4/27/06, *Steven Ellis* <[EMAIL PROTECTED]
> <mailto:[EMAIL PROTECTED]>> wrote:
>
>     Got a signal booster, and overall picture quality is fine. The odd
>     thing
>     is having the same wavy signal pattern on composite and tuner
>     based capture.
>
>
> Are you by chance using some type of dynamic fan control on your CPU
> or case fans?  A friend of mine had this identical problem and as soon
> as he disabled the dynamic speed control on his CPU fan the wavy
> patterns disappeared.  Of course, now his CPU fan is always spinning
> full throttle and sounds like a 747 taking off, but that's another
> issue.  I should mention that he has only a single PVR-500 in his
> system so he didn't have another card to compare it with but he saw
> that wavy signal pattern on all recordings from the 500 when dynamic
> fan control was enabled. 


Very odd. Just tried both PVR150 and PVR 500 cards on their own with
dynamic MB based fan control off and on. Wavy picture with 500, rock
solid with the 150.

Leaving the fan control on for now as it makes the unit almost silent.

Steve

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