It does seem strange that some of the systems you have are 2004/5 systems. I know that older systems have very slow USB access via their BIOSes, but the new systems should be OK.
Please use the Contact Me form and just give detailed timings of what messages appear when (I don't need exact timings). Then I can email you with some test instructions to try to get to the bottom of this,
Topic: Easy2Boot
Date 20/07/2014
By SteveSi
Subject Re: Re: Re: Re: Re: Re: Re: E2B running EXTREMELY SLOW
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