Express card TV tuner and lockups running an AMD M600

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Express card TV tuner and lockups running an AMD M600

Postposted on Fri Oct 22, 2010 8:18 am

HP Probook 6545b

XP Pro w/sp3, AMD M600 2.4 GHz processor, 2GB memory, 26 processes at startup, less than 300 MB of memory used. Video chipset is a ATI HD 4200. Maximum processor usage on a full HD channel is 70%. usage averages around 60%. Not the greatest, but surely it's not maxing out the system.
Hauppauge HVR-1500 Express card HDTV tuner currently running WinTV V6 (designed for XP). I also tried V7 and Sage TV V6.6 & V7. BTW, this is the same tuner HP has sold separately before Hauppauge offered it on their own!

Now before anyone goes on about AMD and the 4200, I know neither are the 'fastest' choices. The processor choice was made by design, (Wintel has never been on my shopping list) though I'm very disappointed in the 4200 as I expected better results. Anyway, I don't think it's the video chipset causing the lockup. As far as the Express card choice (I believe there are only two Express cards, this and the AVerMedia Mini), I didn't want one of those USB sticks that hang out 6-8" prone to get pulled out, broken off or just in the way.

The Laptop completely locks up forcing a hard shutdown (holding the Pwr. button four seconds) and power up again, No pattern to it. It could be as little as 60 seconds after the program & tuner is started, or after 60 minutes. (ball park figures)
I tried re-installing the drivers and software, but no real difference. I have the latest drivers from HP, but possible not the latest ATI drivers. One support guy from Hauppauge claims it's the processor. Their specs call for a 2.2GHz or faster processor. This is a 2.4. Windows reports a 1.58GHz processor which brings another question; is this relevant?
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