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Old 01-29-2008, 11:53 PM
Kevin Weaver
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Default Re: Moto USB Modem port speed, 12.0 Mbps versus 921600 bps

I can't take no more. WTFC

"John Navas" <spamfilter1@navasgroup.com> wrote in message
news:rbbvp3lpb68fr7echum24u068n5k0hnk21@4ax.com...
> I've finally figured out why I am able to get 12.0 Mbps USB modem port
> speed with the V3xx tethered to one Windows XP computer with DUN
> (dial-up networking), but only 921600 bps on another similar Windows XP
> computer.
>
> When setting up a new Windows XP installation I was able to get 12.0
> Mbps port speed when tethering the computer to my V3xx with the Motorola
> Handset USB Driver you have available for download. I was still able to
> get 12.0 Mbps port speed after installing Motorola Phone Tools version
> 3.11, as well as after updating it to version 4.3.6c (the latest version
> that doesn't exhibit the USB driver crash I reported in Reference Number
> 070709-000012). All well and good.
>
> However, after pairing the V3xx with that same computer, which installed
> it as a Bluetooth Modem, the maximum port speed for the Motorola USB
> Modem dropped to 921600 bps, the same maximum as the Bluetooth Modem.
> Apparently, pairing the phone with Bluetooth changes the Windows XP
> configuration in a way that prevents the higher 12.0 Mbps port speed for
> the Motorola USB Modem.
>
> I tried uninstalling the Bluetooth modem, and deleting the V3xx from
> Bluetooth, but that did not restore the 12.0 Mbps port speed.
>
> I then tried uninstalling and reinstalling the Motorola USB Modem, but
> that did not restore the 12.0 Mbps port speed either.
>
> I had to use System Restore to roll back the Windows XP system to a
> point prior to Bluetooth pairing of the V3xx, whereupon the 12.0 Mbps
> port speed was restored for the Motorola USB Modem.
>
> --
> Best regards, MOTOROLA WIKI:
> John Navas <http://cell.wikia.com/wiki/Motorola>




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