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After I have done trouble-shooting for hours on my toshiba-laptop, the point
of failure seems to be between the ir tower & the rcx...:
- the ir tower did insteed install properly... I have verified with the
device manager as well.
- the administrator screen from robolab recognized the usb connection, and
label it as usb#1. However, it failed to communicate with the RCX. All
units, including the laptop and the RCX are connected through AC adapter, so
it is not the lack of power problem.
- ir tower green light keeps blinking and trying to communicate with the
RCX, but it still failed.
- however, I tested with my two other PCs (desktop) and another laptop, the
ir tower communicate with the rcx just fine. Now, the difference is this:
these 3 boxes have usb 1.1 driver installed; while my toshiba-laptop has usb
2.0 installed.
- but usb2.0 is backward compatible. As a matter of fact, all my other usb
1.1 devices, such as the mouse, the digital camera, compact flach reader,
etc., they all work just fine with my toshiba-laptop (w/usb2.0).
- so I suspect the ir tower driver acts up if the usb host controller is
2.0.
Again, any comment and suggestion will be greatly apprecitated.
--
EM
"Elizabeth Mabrey" <emabrey@storming-robots.com> wrote in message
news:HMsw48.20GD@lugnet.com...
> OS: winXP
> Robolab : 2.5.2
> machine: Toshiba Satellite-p25... coming with 4 usb ports and a IR port.
> Symptom:
> - usb tower driver installed fine.
> - I even verified with device manager that the lego usb tower did indeed
> install properly. Robolab software (at the administrater screen) did not
> have a selection for USB port, so I selected the Autodetect. When the
> software is trying to download the firmware, it naturally went through all
> the default com ports 1 to 4 , then hanged the OS. I ended up to have to
> cold boot my laptop.
> - the device manager did not indicate there was any conflict with other
> ports|devices.
>
>
> Any suggestion regarding this matter will be greatly appreciated!
>
> --
> thanks,
> EM
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Message has 1 Reply:
Message is in Reply To:
 | | usb tower failed in XP!
|
| OS: winXP Robolab : 2.5.2 machine: Toshiba Satellite-p25... coming with 4 usb ports and a IR port. Symptom: - usb tower driver installed fine. - I even verified with device manager that the lego usb tower did indeed install properly. Robolab (...) (21 years ago, 15-Oct-03, to lugnet.robotics.rcx.robolab)
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