Luminous Landscape Forum
Equipment & Techniques => Medium Format / Film / Digital Backs – and Large Sensor Photography => Topic started by: siba on August 26, 2009, 09:33:00 am
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Hi There,
I recently bought a sony vaio which had vista pre-installed. I thought, OK never mind, I'm sure it can't be as bad as people have said.
To cut a long story short, I found that vista doesn't support my P45. I was kindly directed to a solution by Steve Hendrix, who has been very helpful on this forum before, and I can now shoot tethered on vista. One has to change the registry in vista and enumerate inactive devices
http://phaseone.com/home/Content/Support/a...Site%20-%20Main (http://phaseone.com/home/Content/Support/article.aspx?articleid=2211&languageid=1&layoutid=SupportSite%20-%20Main)
The thing is, the P45 used to use the external AC/DC power adapter without any problems on my old XP machine. Now it won't. I've tried two different expresscards, and the power adapter is definitely functional. So, I can shoot tethered, but can't use external power. The P45 is set to automatic power detect.
Does anyone have any ideas. Thanks
Stefan
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OK, it now works. I removed the battery. The camera went dead, but then lo and behold turned on again using external power. I then had to unattach the firewire cable and reattach it. I don't know why vista should make the expresscard behave differently with the power. I would obviously make more sense to have it working like before when the camera could use external power without having to remove the battery.
I guess I could have tried this before the original post.
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OK, it now works. I removed the battery. The camera went dead, but then lo and behold turned on again using external power. I then had to unattach the firewire cable and reattach it. I don't know why vista should make the expresscard behave differently with the power. I would obviously make more sense to have it working like before when the camera could use external power without having to remove the battery.
I guess I could have tried this before the original post.
Some windows based FW solutions do not provide sufficient firewire power to reliably power a high-end digital back. See this list (http://phaseone.com/HOME/Content/Support/Article.aspx?articleid=1767&LanguageID=1&layoutid=SupportSite%20-%20Main) of supported and tested firewire cards.
If you are unsure of your FW solution you can always use [Configuration > Power Source > Battery] to use the back's internal battery rather than the firewire for power.
Doug Peterson ()
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