The second message is normal and shouldn't be a problem. For the Wyse terminal to work however you need to make sure you have reset its nvram before trying to use it, to do this hold the g key down while booting it up. If you do it correctly the screen should flash with a print out of the various characters and you should see at the top of the screen above the solid bar the letters "FDX".
That was it, thanks. A quick run at google didn't turn up anything referencing the need for that, is it a fairly common requirement with emulated machines in mame?
Regardless, I clearly have much to learn about it.