Good morning Presonus users! - kind of a general question here....

Reading the release notes, and the postings here, a good part of us have experienced a lag in UC Surface on FireWire connection when upgrading to 2.x. I don't remember the exact UC Surface version, but in an earlier version, one could have their configure from the RM32AI to the PC with FireWire only. At one UC Surface version upgrade, unless you added a wired network connection along with the FireWire connection, one could not make communication between the RM32AI and the PC.

With that thought process in mind, that's how I now have my configuration setup, both FireWire and wired Network, running UC Surface 1.8 on the PC and 1 of the iPads. No lag to be seen anywhere, woo hoo.

As a test, the lady of the house allowed me to install the newest UC Surface 2.0.1 on her iPad, so I could see if there was any kind of lag happening (so I wouldn't lose 1.8 on my iPad if a lag was happening).
After the newest iPad UC Surface install, I started up the PC, ran UC Surface 1.8 on the PC and the first iPad, along with 2.0.1 UC Surface on her iPad.

Moving sliders on all 3 devices, I did not notice any kind of lag anywhere at all. Moving the sliders on the PC, I could see the same sliders move on both iPads, 1.8 and 2.0.1, both move at the same time, and doing the same on each UC Surface version iPad, no lag on the other iPad or the PC. Everything was moving as I expected to see happen, lag free.

One last test, I had opened/sync'd QMix-UC on my iPhone. And when moving headphone mix sliders around, I also saw no lag on any device with slider movement on the various UC Surface versions. So far so good!!!

So, with all that, questions...

I read in the release notes, it's a FireWire only connection that sees delay in UC Surface. Was there a version of UC Surface that came out that allowed one to go back to FireWire connection only again, after the version that needed FireWire and Network connection to communicate?

Where I am still wired with FireWire and wired Network cable for communication, and UC Surface 2.0.1 installed on one of the iPads, not seeing lag, does that make it safe to upgrade UC Surface to 2.0.1 on the PC as well? Or, is the lag PC based only (where FireWire is involved), not an issue with iPads as they are wireless (no FireWire involved).

I certainly could install UC Surface 2.0.1 on the PC to test this myself, but if the lag happened, then I'd have to uninstall the new and reinstall the old, etc, etc. such difficult work I know, haha. While working the day job, I was hoping to get some thoughts from someone that may have gone thru this testing already.

In essence, where I'm currently using FireWire and wired Network connection between the RM32AI and the PC, is it safe to fully upgrade UC Surface to the newest on the PC, to be lag free, where I'm not seeing any lag on the iPads or QMix-UC.

I'm also reading there's a newer version of UC Surface expected out at the end of April to resolve this lag issue. Is it safer to wait for the new version before upgrading the PC?

Thank you for any thoughts and insite you have experienced.