|
PureBytes Links
Trading Reference Links
|
For anyone interested:
> The model of usb to serial converter that we have in use in our office
> is:
>
> Brand Name: Belkin
> Model #: F5U003
>
> The baud limit is 115,200 baud.
>
> If you have any further questions please feel free to email us or call
> DTN tech support at 1-800-763-9959.
----- Original Message -----
From: "Michael Ferguson" <wl7bdn@xxxxxxxxxxxxx>
To: <bobrabcd@xxxxxxxxxxxxx>
Sent: Tuesday, April 11, 2000 6:11 AM
Subject: Re: [RT] GEN - Tick counts
> I have the 8000 box and W98 and have zero crc errors. I do not have RT
data
> turned on for stocks or options, so that helps. I get some
overrun/overflow
> errors, but not enough to affect the data, as near as I can tell. I think
> Earl is right about NT, and plan to switch this year. I am really
interested
> in the usb port adapter and look forward to the responses.
>
> Best,
>
>
> Michael
>
>
>
> ----- Original Message -----
> From: "BobR" <bobrabcd@xxxxxxxxxxxxx>
> To: <realtraders@xxxxxxxxxxxxxxx>
> Cc: <realtraders@xxxxxxxxxxxxxxx>
> Sent: Tuesday, April 11, 2000 05:45
> Subject: [RT] GEN - Tick counts
>
>
> | This may be an old subject to some, news to others. I received the DTN
> 8000
> | receiver today and it was accompanied with a Chameleon software user
> guide.
> | Appendix C is titled "Solutions for Com Port Errors". Here are a few
> quotes
> | from it, "Users who have migrated from Windows95 to Windows98 have
> reported
> | that while there were no or few errors in Windows 95, errors increased
> | sharply in Windows 98. A high number of CRC or overrun errors (more
than
> 2
> | or 3 per hour) may result in lost or erroneous data. " Their conclusion
> was
> | that W95 or NT were better choices than W98. I suppose W2000 would also
> be
> | included, but it wasn't available when the book was written in 1999.
This
> | is pretty much what traders have experienced. Some have changed data
> feeds.
> | Some have tried the TurboExpress card.
> |
> | The Appendix C recommended solutions are:
> |
> | 1.In the System Device Manager drop the FIFO recv and Xmit port settings
> to
> | the next to lowest setting.
> | 2. In the Advanced Graphics Settings move the Hardware acceleration
slider
> | to the second lowest setting. Restart computer to make the changes
> | effective.
> |
> | Another suggested alternative for Win98 users is to use a USB to serial
> | converter. This along with an installation disk makes the USB port look
> like
> | a COM port. "In testing, there were zero errors from day to day, with
> only
> | an occasional CRC error over a week's time using the converter. The
> | converter emulates a COM port but is actually a USB device, using no IRQ
> or
> | other resources. You do not have to open the computer case to install
the
> | converter. You insert the installation disk that ocmes with the
converter
> | in your flopppy drive, then plug the USB Type A conector into an
available
> | USB port on your computer. Windows98 automatically displays a message
box
> | "Unknown Device Found." Follow the instruction tat come with the
> converter
> | to install the device drivers from the floppy disk to your computer's
hard
> | drive. Typically the converter installs as the next available
unassigned
> | COM port. When installation is finished you can check Device Manager to
> | confirm the new COM port assignment.
> |
> | The next suggestion was the use of the TurboExpress card which many are
> now
> | familiar with.
> |
> | I would like to know if anyone on these lists has tried the USB to
serial
> | converter. If so which make and model was used? What are the baud
> | limitations?
> |
> | Thanks,
> | BobR
> |
> |
> |
> |
> |
>
>
|