It used to take my pc just over 2 hours to complete a work unit on seti@home classic but i'm looking at over 4 hours using boinc. Is this normal?

It is unusual. The BOINC version normally runs a little faster than the classic. It may just be the initial estimate is off, the seti process needs to get to 70% to 90% before an accurate total is displayed.

John Keck -- BOINCing since 2002/12/08 --

> It is unusual. The BOINC version normally runs a little faster than the
> classic. It may just be the initial estimate is off, the seti process needs to
> get to 70% to 90% before an accurate total is displayed.
>
John Keck -- BOINCing since 2002/12/08 -- <a> href="http://www.boinc.dk/index.php?page=user_statistics&project=sah&userid=138092">
> I have found this to be true. I went from 40 hours seti classic to 9.5 hours with BOINC (1.8Ghz, 224 megs ram)

Turn the screen saver off and it will go faster.......
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M7 Seti@h Berkeley's Staff Friends Club ©

S@H Classic 3:55 hours normally, S@H2 between 4:10 and 4:25 hours.
Using same PC with same configuration.
P4 running at 2.88GHZ, using HT.

Greetings from Belgium.

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There is also a known issue with the GUI taking some CPU cycles even when minimized if left on either the "Work" or "Disk" tabs. Those tabs are updated by the BOINC process every second, so if either are left as the active tab when minimized, they will still cause the client to consume some CPU. Of course, if you are running the CLI version, this isn't your issue.