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Subject: 
Re: NQC "No reply from RCX" Help Please
Newsgroups: 
lugnet.robotics
Date: 
Sat, 9 Mar 2002 01:57:48 GMT
Viewed: 
1013 times
  
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
 
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 (...) (23 years ago, 9-Mar-02, to lugnet.robotics)

Message is in Reply To:
  NQC "No reply from RCX" Help Please
 
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, (...) (23 years ago, 8-Mar-02, to lugnet.robotics)

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