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March 22nd, 2005 02:00
Intel Pro 2200 Problems
I recently installed an Intel Pro 2200BG mPCI card in my i5100. I'm connecting to a dlink di-524 router. I never have problems initially connecting at 54mbps with WPA. Overtime, however, this number will decrease to 22, then to 11, then to 2. I also notice highly variably ping times and occassional disconnects.
I am using the most recent intel drivers (9 something). I have played around with a few of the settings (like packet bursting) without much effect. I have reseated the card with no improvement. I was going to try and disable diversity mode and select a single antenna, but the intel drivers apparently don't support this.
I have googled the problem and have seen that others have been experiancing similar things -- unfortunately, it's a very generic problem and I haven't seen any good solutions.
XP Pro, SP2.
Forget to mention, signal stregth is always rated as excellent, even with it drops down to 1mpbs
Also: I assume I'm suppose to leave that black covering over the card when I install it?
Message Edited by NemesisDB on 03-21-2005 11:06 PM
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johnallg
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March 22nd, 2005 02:00
Wasn't that related to 802.x authentication being on? Did you see my ver A 614+ has 2.18 firmware?
NemesisDB
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March 22nd, 2005 03:00
yeah, thanks for the info regarding the di-614+. i'm testing out a new $20 524 at the moment.
I think I've narrowed my problems down to a new wireless network in the area -- netstumbler has never picked up anything before but I opened it up again when I started getting continual disconnects. looks like some nice people in a house nearby have a 11g d-link router setup broadcasting on chan6 -- I wouldn't be surprised if it is channel bonding as well as 1 and 11 offer only marginal increases in stability for me. It's pretty consistent with netstumbler: their signal increases, mine disconnects or lags. I feel that intel could make better drivers, (as I don't think a wlan on the same channel should necessarily be the end of the world), but so be it.
Tomorrow I'm either going to hop in the car or walk around with my laptop (weather depending) and pinpoint the house in question. Given they're currently unsecured (possible MAC filtering -- I can't get a clear enough signal to tell), I figure I can offer them some help in exchange for them killing the bonding and or moving to 1 or 11.
Oddly enough, if I enable CTS/RTS, stability improves dramatically but peak throughput takes a beating -- does CTS/RTS work for interference from other networks?? furthermore, why would it make a difference when I'm the only client on at the moment
Also, in regard to your other suggestions, 802.1x authentication is not possible with WPA-PSK enabled so it's really not something WPA users need to worry about unchecking.
Jerry Park
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March 23rd, 2005 18:00
(We should be using the same drivers).
The only solution I have found is to change the setting for the Transmit power. It is supposed to be at max by default, but changing it seems to solve the problem. Unfortunately, I have to change it everytime I log off or shut down the system.
I think it is either:
1) a bug in the drivers
2) a planned degradation when the card is installed in a system that is not Centrino certified?
NemesisDB
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March 23rd, 2005 21:00
Jerry Park
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March 23rd, 2005 21:00
I let Windows manage the connection instead of the Intel utility because the Intel utility doesn't play well with Windows. When I log off or shut down, I get the pop up box that [one of the Intel utility services] has not shut down and will be terminated in [whatever] seconds. Not fun.
NemesisDB
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March 23rd, 2005 21:00
Jerry Park
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March 23rd, 2005 22:00
Starts with Signal Strength Low. Within a few seconds of changing the Transmit Power setting, Signal Strength goes to Excellent.
Jerry Park
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March 23rd, 2005 22:00
I'll just have to watch it to see if this is a solution.
Jerry Park
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March 23rd, 2005 23:00
NemesisDB
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March 23rd, 2005 23:00
jlpowell73
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March 30th, 2005 03:00
i experienced all the problems mentioned with intel 2200bg card with slow downstepping
with wifi connection.
i have corrected the problem on my laptop and hope this will help others.
first my environment:
dell latitude d600 (even though this is latitude, i believe this is applicable to all)
2BG RAM
60G HD
Intel 2200BG Card
Win XP SP2
software installed was the intel 9.0.x version of the intel pro software where connections
would initially connect @ 54MB then downgrade to 1MB
the problem is the advanced "power" saving settings for the driver doesn't work. when
doing the normal install/re-install the OS reverts to the old (newest driver 9.0.X).
how did i fix the problem?
1. download the intel pro 2200bg version 8 from the dell site. mine was dell file (R72810.EXE)
2. deinstall the intel pro software. this should result in intel software uninstalled and
no Wifi Card shown.
3. reboot your machine. when your machine reboots, it will find the 2200bg and want to
reinstall the drivers. it will look for w29n51.inf. most likely you will find this
under WINDOWSOS\system32\reinstallbackups\ \Driverfiles.
let windows reinstall the wifi card.
4. Change the driver for the wifi card
Start > Settings > Control Panel > System
Click on Hardware > click on "Device Manager"
Expand "Network Adaptors > right mouse click on intel 2200bg > Update Driver
Unzip the downloaded file from Dell > point the update driver screen to \Drivers\R72810\Drivers\WINXP
This should revert the drivers to 8.0.12.12000
5. Install the 8.0 Intel software - Dellunzip\Drivers\R72810\Setup.exe
Make sure that you are left using the 8.0.12.12000 drivers.
I hope this helps all those who are having problems!
Please feel free to email me if you need more info:
jlpowell73@comcast.net
Cheers,
Jim
NemesisDB
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March 30th, 2005 04:00