modems, K56, 56K or 56kbps?

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modems, K56, 56K or 56kbps?

Postby boo_a_carab » Mon Dec 29, 2003 12:30 pm

I just bought a Broadxent, 56K, V.92, Value, PCI fax modem to replace my ITU, V.90, K56flex Data/Fax (V.92 upgradeable) modem.
The point was to connect to the internet at 56kbps or  maximum FCC allowed speed and use the multiplayer functions of my FS.
I installed it properly but my connection speed stays as it has always been, 26.4 kbps.
My ISP is V.92 compatible and supports 56kbps data rate. My local dial-up numbers are all V.92 compatible.
All phone line connections are good, otherwise I would see variations in the 26.4 kbps data rate which has remained fixed for over nine months, no matter the time of day.
The girl at office max, customer assistant/ super model, said the modem I was getting was a 56 kbps modem and her eyes sparkled when she said it so I believed her with all my heart and soul. More importantly, the specs said it handles the 56kbps data rate.
All my modem settings have been checked and double checked for the fastest rate possible.

Where am I going wrong? :'(
System specs:
Gigabyte 7NNXP Motherboard
AMD Athlon XP Mobile 2600+ CPU OCed @ 2400MHz, liquid cooled
Gigabyte 6800GT AGP Stock settings
1,536MB, 400MHz, Geil, duel channel, RAM
Duel WD Raptors in RAID0
560w Thermaltake PSU
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Re: modems, K56, 56K or 56kbps?

Postby _526th_Fireman » Mon Dec 29, 2003 1:32 pm

Don't let that "Handshake" fool you. Have you tried flying online yet with the new modem installed?

I installed a US Robotics 56k Performance Pro modem and my handshake still says I am only connecting up at 28k, but fly online just fine.

Give it a try and see how it works. I might suggest that get TCPOptimizer, a free program from http://www.speedguide.net. Even though it looks like it is only for Broadband connections, it also has the option for dial up. You just select dial up and then select Optimize and hit OK. It will open up any bottlenecks in your modem for good throughput of data. I have been using it for a long time now.
Systemax Sabre Ultimate gaming rig.

I got all the goodies and all the power I need to run anything thrown at me for the next two months!
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Re: modems, K56, 56K or 56kbps?

Postby boo_a_carab » Mon Dec 29, 2003 2:55 pm

Thanks for the link fireman, this appears to be the bottleneck:  bandwidth * delay product:

Your RcvWindow limits you to: 233.6 kbps (29.2 KBytes/s) @ 200ms
Your RcvWindow limits you to: 93.44 kbps (11.68 KBytes/s) @ 500ms
Consider increasing your RWIN value to optimize TCP/IP for broadband

I downloaded the optimizer and will focus on the above problem, thanks again ;)
System specs:
Gigabyte 7NNXP Motherboard
AMD Athlon XP Mobile 2600+ CPU OCed @ 2400MHz, liquid cooled
Gigabyte 6800GT AGP Stock settings
1,536MB, 400MHz, Geil, duel channel, RAM
Duel WD Raptors in RAID0
560w Thermaltake PSU
User avatar
boo_a_carab
Ground hog
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Posts: 16
Joined: Wed Dec 03, 2003 7:01 am


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