Subject:
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Re: reliability of quad speed LNP
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Newsgroups:
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lugnet.robotics.rcx.legos
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Date:
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Tue, 26 Feb 2002 10:16:33 GMT
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Viewed:
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1947 times
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I have found that between a rather old PC and a RCX I cannot use quad speed
transfer of data as the RCX cannot keep up. When a different (faster) PC
and the same RCX I can use quad speed transfer. I guess it comes down to
protocol
timing. LNP does not use full hand shaking for data transfer, so use the
slower data transfer.
In lugnet.robotics.rcx.legos, Mark Falco writes:
> Does anyone have any data on the reliability of quad speed LNP? I've been
> using quad speed LNP for downloading programs to my 1.0 RCX for some time, and
> never had a problem. Recently I'd bowored a friends 1.0 RCX so that my bot
> could have two RCXs. I had the two of them talking over LNP at quad speed and
> things seemed to be working well. I then decided to buy myself a second RCX,
> when I swaped in my new 1.5 RCX I was able to download the legOS firmware and
> my program at quad speed but found that quad speed communications between the
> two RCXs was very very unreliable.
>
>
> mark
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Message is in Reply To:
 | | reliability of quad speed LNP
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| Does anyone have any data on the reliability of quad speed LNP? I've been using quad speed LNP for downloading programs to my 1.0 RCX for some time, and never had a problem. Recently I'd bowored a friends 1.0 RCX so that my bot could have two RCXs. (...) (23 years ago, 25-Feb-02, to lugnet.robotics.rcx.legos)
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