Windows 7 users ?

i have 2 x delta 66 on a i5 windows 7 64 bit machine - i had to mess with two bios settings to get it working without weird crackles, and now everything works fine. you need to disable (in your BIOS): EIST (speedstep) and C1E state. these are both power saving measures that slow down either your CPU or your PCI bus, and they're bad news for delta cards. more info here: just to repeat: with the most recent drivers from the m-audio site, disabling EIST and C1E in the bios, 2 x delta 66 on i5 windows 7 64 bit runs perfectly

MOTU and more 

thanks a heap 

Cheers for all the replys everyone ,after a bit of research and messing about ive decided to go with a MOTU ultralite mk3 so i hope i have less problems than with my maudio delta 44 wish me luck thanks

Crackles be gone! 

I have a Delta 1010 and run Windows 7 (both 32 and 64 bit on different machines) and I WAS having many crackle issues until I made a few hardware changes. I've updated drivers, rebuilt the OS, you name it, no resolution, until I got the bright idea to completely swap out all my hardware. I have two PCs that I've been using to record with and I had read something about interferance from various PCI hardware (such as video cards, wireless cards, etc...), so I pulled the 1010 out of computer 1 and installed it into computer 2...and voila! no more crackles. I cannot completely say exactly what hardware was causing this issue, but I am fairly convinced it was the video card (which was an old skool PCI card). I know this post is not super helpful if you don't happen to have a second PC laying around, but I wanted to relay that I don't think that Reaper was to blame, as I experianced the exact same issues in Acid 7. If possible, remove all PCI cards except the 1010, and see what happens...

In my system both FL and Reaper crackle like crazy if I have all eye candy enabled in win 7. Specially while recording audio. As soon as I change the GUI to resemble classic windows and no fancy stuff allowed, including the desktop background. Everything runs fine. I have an M-Audio 24/96 and An N-Vidia PCI Express video card (sorry can't remember the exact mode right now) I usually use this graphic/performance set up while doing music anyway so no big deal. I just saved it as Music theme and run it while making music. I don't know if this would help you and spare a new expense in your PC.

Win7 x64, MOTU 2408 MKIII and Reaper 64 here with no issues!