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Modem connect speed

Posted on 1998-12-24
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Last Modified: 2013-12-28
I have a PCI 56K V90 compatible modem (unbranded I think) with Rockwell chipset. It uses driver 'Rockwell HCD 56K PCI' or something similar. I am in the UK and have two ISP's (Freeserve & SAQnet) with both performance is comparable to my old ISA 56K (standard windows driver) but I can only connect at speeds around 42,000 (currently 42,667) any idea why? the exact speed varies but is always around this speed. Im sure the modem is working properly, and I have obtained the latest driver.  Does this mean my ISP does not support V90.? and if so, why will it not connect at 56,700 using Kflex which is also supported my the card BIOS? (as my other modem did with both ISP's)
also, in settings, the cards maximum speed is set at 115,000)

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Question by:ca7gph
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by:ca7gph
ID: 1649812
MERRY CHRISTMAS!!!
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rosefire earned 150 total points
ID: 1649813
It almost certain that your problem is the with your telephone company service.  Getting the top speed from your modem requires a good line signal. If you hear any noise whatsoever on the line when you talk, nag your phone company.

Actually, 42K isn't bad.  I suspect many people don't get that because of their line speed.

If your problem was not having V.90 support, you would be stuck at 36k, not 42.  The fact that you get the same speeds at both providers also suggests your phone line signal quality is limiting your speed.

There have been other people posting on the internet with these Rockwell chip sets making complaints similar to yours.  Your modem may not be quite as good at pulling the signal out of the noise on the phone line as some other modems too.

yea! and merry xmas to you also!
RoseFire
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Expert Comment

by:rosefire
ID: 1649814
Oh yes.  The speed setting you saw listed of 115,000 is the connect speed of your computer to the modem, not the speed of the modem to the ISP.

RoseFire
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Expert Comment

by:rosefire
ID: 1649815
There is one more thing you can do to test the settings on your modem and what speed your phone line will support.  Check your modem manufacturer's documentation for a phone number you can call with your modem for service or testing.  USR, for example has a phone number you can call and it will tell you how fast and what protocol was used to connect.

RoseFire
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Expert Comment

by:Perfies
ID: 1649816
I think i have the same modem ass you do!
Usein Rockwell drivers with a GVC 56 K. modem.
I can only connect at speeds around 40-42Kbs.
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