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Subject: 
Re: NQC "No reply from RCX" Help Please
Newsgroups: 
lugnet.robotics
Date: 
Sat, 9 Mar 2002 07:46:38 GMT
Viewed: 
2514 times
  
Wow! Hey..thanks..that was it. I hadn't changed my batteries in any of my
RCX since I got them. When I changed all of them a few weeks ago, I must
have lost the firmware.

I saw your name..and was like.."hmm where have I heard of you before" then I
lookup and I see your book on my shelf and laugh.

Thanks a lot,
Brian



In lugnet.robotics, Dave Baum writes:
> Is the firmware still installed on the RCX?  When you turn it on if it
> just shows a single digit, then there isn't any firmware.  With firmware
> loaded you should see something like "00.00!1" where ! is the LCD icon
> of a person.
> 
> If firmware is not installed, then download the firmware (either with
> Bricxcc or NQC directly).
> 
> If firmware is installed, from a console window try:
> 
> nqc -Susb -v -raw 120000
> 
> and post (or email me) the results.  Also check to see if the green LED
> on the tower lights up while this is happening.
> 
> Dave Baum
> 
> 
> 
> In article <Gso12K.80E@lugnet.com>,
> "Brian Sadowski" <twodijits@hotmail.com> wrote:
> 
> > Ahhh..can someone please help me out here. I'm at my last straw with this
> > problem.
> > 
> > I'm Using:
> > 
> > Bricxcc 3.3
> > NQC 2.4 a4
> > Windows 98
> > USB Tower from RIS 2.0
> > 
> > 
> > This has all worked about a month ago.. I haven't made any hardware changes
> > to my system recently, or even installed any large applications.
> > 
> > Bricxcc finds the RCX just fine, it can do diagnostic tests, and report on
> > the RCX, So the Tower is definatly communicating with the RCX, and the
> > little green light does go on.
> > 
> > NQC is displaying this message in DOS when I try to download a program:
> > 
> > Download Program:error
> > No reply from RCX
> > 
> > I've tried with 3 seperate RCX..all resulting in the same message. 2 RCX 2.0
> > and one RCX 1.0
> > 
> > I do have an internal USB hub..I've switched the USB tower off of that and
> > it still does not work. I've re-booted a billion times, I've also removed
> > the USB device from the Windows Device Manager, and re-installed it. Nothing
> > has worked.
> > 
> > Can anyone help me? I'd really hate to go back to a battery power serial
> > tower.
> > -Brian



Message has 1 Reply:
  Re: NQC "No reply from RCX" Help Please
 
(...) I'm glad it was a simple fix. Thanks also for buying my book - I hope you found it helpful and/or enjoyable. Dave Baum (25 years ago, 10-Mar-02, to lugnet.robotics)

Message is in Reply To:
  Re: NQC "No reply from RCX" Help Please
 
Is the firmware still installed on the RCX? When you turn it on if it just shows a single digit, then there isn't any firmware. With firmware loaded you should see something like "00.00!1" where ! is the LCD icon of a person. If firmware is not (...) (25 years ago, 9-Mar-02, to lugnet.robotics)

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