G400, SCSI and Video capture

[shampath]

OK! Here's the story.
A friend of mine who is doing video editing and special FX on the PC. He does this almost for a living so I asume he knows what he is talking about.

By using Matrox in general to do video capture the performance of the SCSI card drops to IDE standards! Pushing maybe 5 - 5,5MB/s while i need minimum 8MB/s (I know my Adaptec 2940U2 can do alot more!).
How can the Matrox AGP G400 dualhead 32MB, "steal" resources from the PCI bus?

Can you help me?


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"Things are only impossible until they are done"

[Roman]

it seems quite simple..
Matrox G400 is using Bus Masterin as Adaptec
SCSI card do.
what to do?
just try to disable Bus Mastering in Matrox's Control Panel.
then check how it works. plz report me what happened.

[Pipelort]

Thanks! it improved somewhat just bellow the 10MB/s mark, which is enough for me.

But i still have alot o'megs who is unaccounted for. Wonder where they are.

PS. Excuse the name change but somthing wierd happend when i forgot my password and asked for a new one...



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"Things are only impossible until they are done"