Re: MT2266 I2C write failed, usb disconnet, WinTV Nova-TD stick, remote

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Bernhard Albers wrote:
> [  628.492000] hub 4-0:1.0: port 9 disabled by hub (EMI?), re-enabling...
> [  628.492000] usb 4-9: USB disconnect, address 2
> [  628.500000] MT2266 I2C write failed
> [  628.500000] MT2266 I2C write failed
> [  650.208000] dvb-usb: error while stopping stream.

> Maybe it is a problem of the mainboard. It is an Asus m2a-vm hdmi
> (amd690g chipset and ati x1250 onboard graphics) with the latest Bios
> (1604).

Interesting theory...
I'm seeing the same thing on a Biostar TA690G mainboard, which uses the same 
chipset. It works fine on my desktop machine though (VIA K8T800PRO chipset; 
ASUS A8V Deluxe) and on my ASUS Eee (can't remember off-hand what chipset that 
uses, an Intel one of some description IIRC).

Had some strange signal issues with the Nova-TD-Stick too - Tuner 0 worked 
fine, but Tuner 1 failed to lock onto the mux that carries FilmFour. Putting a 
6dB attenuator inline fixed that nicely -- seems the low-noise amplifier in 
the Microtune chip sets its level based on an average of the whole band it's 
tuned to. Lots of strong signals = low amplification = not much signal 
strength going into the DiBcom decoder/demux chip. Weaken some of the strong 
signals, and it's fine. Most peculiar.

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