[mythtv-users] Turning on Bus Mastering for PVR-250

[Jeff Mottishaw]

have you tried something as simple as flashing the bios to the latest
version?

> Hi Everyone,
>
> I'm following Jarod's guide in setting up a second MythTV system (first
> one works great, thanks Jarod and Axel!), but I'm stuck on setting up
> ivtv.  In searching the mail archive, I think I have figured out the
> possible problem, but have been unable to fix it.  It looks like my
> PVR-250 is not being assigned an IRQ number.  I get the following
> information on the card from my system:
>
> 00:07.0 Multimedia video controller: Internext Compression Inc: Unknown
> device 0016 (rev 01)
> Subsystem: Hauppauge computer works Inc.: Unknown device 4009
> Flags: medium devsel
> Memory at 20000000 (32 bit, prefetchable)[disabled][size=64M]
> Capabilities: <available only to root>
>
> That part about [disabled] seems wrong : ).  Based on what I've read in
> prior posts on the list, I imagine that my motherboard, MSI K7T266
> Pro-RU, is not doing Bus Mastering, even though reviews of the board say
> that all the PCI slots on it have Bus Mastering...  I've tried moving
> the PVR-250 to every PCI slot on the motherboard in the hopes that it
> will start working, but none of them seem to assign an IRQ to the card.
>   Looking through the BIOS, I don't see anything relating to Bus
> Mastering.  I've e-mailed MSI support to see if there is an option in
> the BIOS that I'm missing to turn on Bus Mastering, but I haven't heard
> back from them yet and I'm hoping that someone on the user-list will
> have some idea what is wrong or how to turn on Bus Mastering (if this is
> actually the problem).
>
> Thanks,
>
> -Alex
>
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