WRT54G v1.0 Constant Speed Fluctuation

well, we've had the router for about 3 years now with an occasional problem here and there. up until a few weeks ago my computer would always have a speed of 54mbps and excellent signal strength. we currently have 3 computers running off the router, 2 wireless and one wired. the wired comp runs fine, the other wireless comp runs at a consistent 54mbps. my comp on the other hand fluctuates anywhere from 18 - 54mbps. the speed is extremely unstable and is always changing. my signal strength is always excellent, ive updated my firmware, reset my router and modem, tried channels 1,6 and 11, and nothing seems to work. im also using the WMP54G Wireless-G PCI Network Adapter and the driver is up to date. its a major pain when im gaming, every few seconds i get a "connection interrupted" message, and i experience extreme lag. if anyone can help me out id really appreciate it.

Hi… logon to router’s setup page, wireless >> advanced wireless settings >> reduce beacon interval to 50, fragmentation and RTS Threshold to 2304 and save the settings…go to “Application & Gaming’s” >> QoS >> enable WMM support, check whether it makes any difference…

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Thanks this was very useful.. I have a brand new iphone 4s unlocked version from singapore and I am having the same problem constant network fluctuations, no service, call failed, invalid sim, sim failure, bars fluctuating from 5 - 3 - 2 - 1, no signal/ba

I have a brand new iphone 4s unlocked version from singapore and I am experiencing constant network fluctuations on my iphone , no service, call failed, invalid sim, sim failure, bars fluctuating from 5 - 3 - 2 - 1, no signal/bars searching etc... Ifeel miserable after trying out all the options changed multiple sims, tried multiple carriers, restored the phone back and have set-up as new device but the problem does not get solved... its is so frustrating that after investing on a world's most expensive phone you cannot enjoy the calling features which the phone offers which is the main thing you own the phone for.. Rest of the things are working.. The funniest part I am not able to make calls or receive calls but can access the internet.. I have tried every possible thing and really very frustrated with this iphone of mine...I hope the problem gets solved.. would anyone have any solutions to this problem.. Does it mean one should never update software as I hear that after updating to IOS.5.1 the problem has started coming and same has been with there.... Apple says its a hardware failure which is very difficult to digest as sometimes I get 5 bars and able to make and receive calls but 95% of the time I am unable to. If anyone has any solution I will be very happy if he or share can share the same. Many thanks. its so disgusting to experience this on top of this apple does not support global warranty for the phone as you need to go to the country from where you bought the phone for replacement.. Truly sad state of affairs.. very very very dissappointing.

Have a look at this it might help
http://support.apple.com/kb/TS4148

Constant Speed + Timing not working

Hi,
I have two clips that are in the same group. I've created a motion path whereas the clips are pulled from left to right across the canvas. The 2 clips are a panormic still image that has been stiched in PS.
I've set the timing speed to "Constant Speed" but when I replay the clip the speed is not constant and it seems like the motion "fades" in at the start and "fades" out at the end.
Thanks in advance.

hi,
it sounds like there is an amount of easing in and out of the motion path. two things you can do, navigate to the keyframes window, select the keyframes and set the interpolation to linear. Or dont use a motion path and simply apply a Throw behaviour, or set your own keyframes.
hth
adam

Mac Pro with XP in boot camp - wireless speed fluctuates

I'm running XP on my Mac Pro, i installed all the latest drivers (from the leopard DVD and also from windows update) but i'm noticing very heavy fluctuations regarding my wireless network speed.
When i look at "Wireless Network Connection Status", the connection/strength is always very good, but the speed fluctuates from anything between 54Mbps to just 1Mbps.
I've searched the forum and i've found some people with similar, but not the same problem, and their solutions (mainly windows patches) did not work for me.
Just to be clear, under Leopard the wireless connection works just fine, and on my work laptop (hp, XP Pro) it works as expected. So it doesnt seem to be a router problem to me.

Thank you for the link but it wasn't helpful as it only really said compatibility. What did finally resolve the issue was going directly to AMD and finding that they updated the BootCamp specific drivers. For other that stumble upon this, you cannot use the normal drivers from AMD but you must search for the bootcamp specific drivers (which also includes an updated Catalyst utility and a couple extra things not included in Apples release of the drivers).

Fan speed fluctuating

Hi.. my emac's fan speed fluctuates every 5 seconds from high to low.. I've tried to find a process that takes up the cpu time but did not find one that was hanging the system up very much. i don't know what to do. this happened a month and a half ago and all i did was take away an application called ipulse which was eating up my processor and the problem went away.. well now it is happening again and i checked my startup items, and my preferance panes and didnt find anything.. the only applications that are open are mail and firefox..
has anyone heard of this problem? i would appreciate any feedback..
is there any other thing i can optimize or check that may be chocking the processor and causing the fan to fluctuate from high to low every 5 seconds?
800 MHZ PowerPC G4 Mac OS X (10.3.9)

Mail can be set to check for updates using fairly short periods, but not that short. What pages do you normally have open in Firefox? Any that update data form frequently? (Think sports scores or stock tickers.) Do you see the fan speed fluctuations if you leave Firefox open on a blank page?
Have you tried leave Activity Monitor open, using View> Update Frequency set to often or very often, set to show all processes, and sorted by %CPU usage? In that setup, you should see Activity Monitor itself at the top taking most CPU cycles; you want to watch for processes that pop in and out of the top of the list, looking for one or two that consistiently come up.

Ken Burns Effect - Variable vs. Constant Speed

On a test slideshow I worked on in iPhoto, I noticed that the Ken Burns effect uses a "variable" motion. Meaning if I'm utilizing the zoom effect, it'll start out slow, then speed up, then slow down again for each photo. However, I just want a constant speed zoom for each photo.
Is there away to have the Ken Burns effect zoom (and/or pan) with a constant speed?

100 brownie points to Terrabay! LOL
For those that don't know how Terrabay arrived at his solution: iMovie DOES let you dictate how long your transition (for ANY transition) is when you put it into your show. When you press editing and go into transitions drag the transition you want into your time line - you can adjust how long you want it to be and which direction you want it to go before you put it in your show, and if youve already put it in but want to lengthen/shorten it, just click on your transition in the time line, make the change and press UPDATE. Simple.

Slow motion (constant speed) rendering problem. ATTENTION PROs!

I have tried almost everything to try and fix my problem and now I am going insane!
I am editing a short promo featuring constant speed adjustments and video filters. When I render the video seems to drop frames and jutter. Why is this when i have only reduced the speed of the clips by 50% or 75% ? ?
I have put it through compressor several times and printed the video onto DVD to see if the problem lies within any other program, but i believe my problem is with final Cut HD.
The footage is HDV interlaced. I have made sure the frame blending options are checked although this makes no difference and have rendered it I dont know how many time.
Do I need to bring the original rushes out of the bin and adjust the speed again from scratch...essentially start again?
HELP! I am going mad!
Mac Book Pro (2ghz intel / 2gb memory) Mac OS X (10.4.9) Final Cut Studio HD

I have done it!
I firstly made a quicktime movie, using current settings, to create a single HDV clip. I then created a new sequence, titled HDV, and opened up the sequence settings. Going into the video processing tab I changed field dominance to 'upper odd' and motion to 'best'. I then dropped the new HDV clip into the timeline. At this point I sent this new clip to Compressor and chose the 'best quality 90min 16/9', MPEG 2 two pass + Dolby. EXPORT....HAPPY DAYS! The results are great. Perhaps I could make it better by stopping the footage down to SD first?

Constant speed wed site

Hi
Is there a web site that will send info at speeds that you can pick and be sent at a constant speed so you can check what speed your connection is running at and if it is going fast and slow?
George

Hi Golden Shoes
when I use speedtest dose it show me the speed of my connection from my Mac, or dose it shoe the speed of the internet connection. In other words my ISP gives me 500KB/s but what if the speedtest returns a 1.2G/s?
George

Constant speed for an unbalanced load

I have a machine that uses a Dart 253g to drive a dc motor. The arm if an offset arm that rotates.. We have tried to balance the arm the best we could but the load is still off. What happens is as the heavier part of the arm is on the upswing of the motion, the drive cranks up the torque and pushes it up and over the peak of the rotation. The problem is, on the way back down, the load takes off and "freewheels' around until the upswing starts again. Would a constant speed drive help eliminate this? This machine has no feedback on the arm
Thanks in advance
Ken

You will need a regen or 4-quadrant drive to provide dynamic braking. A tachometer will always help with speed regulation(only on the upswing with your current drive, though).

My motor runs at a constant speed

i have a
PCI 7342 controller.
MID 7654/7652 servo motor drive
motion control software
motion assistant 1.1.
I have setup the hardware connection.
When I try to run the motor using the motion assistant the motor runs at a constant speed irrespective of the velocity that I specify in the motion assistant.My motor velocity is 7 voltage per 1000RPM.The motor keeps running at a constant voltage of 25volts.I donot have a encoder but I have a tachometer.
pls help.

Hello Sumitha,
In order to use servo motors with National Instruments motion controllers, you must have some form of position feedback. This is required due to the PID control loop implemented on the controller. Without some kind of control loop, there is no way to guarantee that the motor will get to the commanded position following the specified trajectory. Servo Tune is a tool used to adjust the PID parameters, which in turn control the stability of your system.
If you do not have any way of adding position feedback (such as a quadrature encoder), you will not be able to make full use of your motion controller. It is possible to simply read a voltage in and output a specified voltage from the motion controller. However, you lose all hardware timed control and all the benefits of a motion controller. If you are interested in that option, a DAQ board might work better for you. Otherwise, I highly recommend looking into adding a quadrature encoder to your system.
Best Regards,
Jesse D.
Applications Engineering
National Instruments

DC motor - constant speed

I 'm a light user of Labview and need some assistance.
My objective is to make the dc motor retain constant speed even when a load is applied.
The tools I have to acquire data with are:
NI USB-6211
Labview 8.2
Optical Encoder - 1000 pulses per revolution
My main concern is writing the PWM VI to do this.
My first guess is to set use a DAQ assistance to acquire a signal as a counter input from the encoder.
Not really sure what to do with that because I am kinda lost from there.
How would I use that info to adjust the PWM of the output signal?
All help is appreciated.

Hi jgarcia,
this doesn't work at all. Your application requires closed loop control. This means you need deterministic behavior (= stable timing of the control loop) for single point I/O operations. With your setup this is not possible due to the fact, that both the USB and Windows introduce a lot of jitter (using a PCI DAQ device would make things a bit better, but you still couldn't get reliable control behavior on a Windows operating system). For a control system reliable timing is at least as important as proper tuning of the control parameters.
For motion control tasks it's much better to use a device like the PCI-7342, that runs all control operations in a realtime environment onboard. Other options include using a realtime operating system and PCI or PXI DAQ hardware or a cRIO-System with drive interface modules. For a single-axis system, the PCI-7342 is probably the most cost-efficient solution.
Sorry for the negative answer, but with your current hard- and software setup you will could easily waste a lot of time on a poor solution.
Kind regards,
Jochen Klier
National Instruments

Infinity speed fluctuating dramatically?

Hi,
Can somebody please help?
My broadband speed is all over the place, i am supposed to be on Infinity 2 and just lately(last couple of days), it has been anything but.
The speeds range from 16 mb to 69mb but do not stay constant, i used to have a steady download speed of 79mb when this was installed in October and to be fair, the connection has been flawless and stayed the same up untill the last couple of weeks.
I would appreciate a prompt response to this please, as this has been the "light at the end of the tunne" with regard to all the issues i have had after transfering from Sky in October. This has been the ONLY thing that has worked as it should.
Regards
Robert Sproson
Solved!
Go to Solution.

Hi ,
Yes before - just retried BT and speed is now back up for the moment - it is fluctuating quite alarmingly. Suppose i will just have to suck and see for a while, i have sent a complaint in via the contact us on the BT web page- don't know if that will prompt an investigation or if this is just temporary? With having such a fantastic speed normally, i don't tend to notice the variations, until it is very aparent(very slow page opening) and it could have been fluctuating from install.

WRT54G with extremely unstable speed/ping.

I seriously have no idea why this is happening, suddenly after the holidays my router has been acting up.
When I ping my router (Linksys Wireless G (192.168.1.1)) it is usually between 1-2ms.
However if I ping google or gamefaqs or something, the ping would be stable sometimes (RARELY) being at around 50ms or it would be extremely high at over 2000ms, or it would fluctuate from 50 to 500.
I have not changed my settings on the router in anyway before the problem started. My isp is NOT the problem since if I directly connect the modem to the computer it would be a constant low ping.
All the computers connected to the router is experiencing the same problem, I have updated the firmware for the router (no effect) and even changed the frequency of the router with the router's home page.
I have tested this all with and without firewalls, with and without virus protection. I have tested it after scanning my whole computer for viruses and malware on safemode. I have resetted the modem by turning off the modem and holding reset on the router for 45 seconds then unplugging and replugging it.
I have updated the firmware and resetted it after.
This is an extremely frustrating problem as it makes it virtually impossible to play any games online, it also makes it extremely difficult to finish any of my University assignments without pulling my hair out with the load times, and I really wish someone on gamefaqs would be able to help.

Gaqt wrote:
>snip<
I pinged google.com and my router at the same time, sure enough the router ping increases a bit (1ms to 2+ or sometimes 4+) when the ping for the Google goes up.
>snip<
Also some additional information. My ISP is Shaw, I am on their high speed connection, (40-50canadian$ a month).
>snip<
There are currently 4 computers connected to the router (one wired 3 wireless). This did not cause problems for 6+ the months leading up to this point.
>snip<
However, when I set the passwords up for the other users of the wireless (so it may work for them) it starts to slow down AGAIN. This has led me to believe that the amount of users on the router is now a factor, even though it had not been for the last year or so.
No one uses torrents, and even if they did the problems would not be the same as that of what I stated above.
There's a lot of stuff to cover here...
You said the router ping slows down when you ping both your router and Google at the same time. What is really important isn't how much the router ping slows, but what the ping times are to both your router and Google.
It's nice to know you are on a cable modem. One problem might be the cable infrastructure is over-subscribed. One test is to get up in the middle of the night - something like 3 or 4 am would be good for this test - and see how your system performs. If it is OK, this suggests other users are saturating a link somewhere. Have you checked with your cable company? They might be able to help - but don't count on it.
Shutdown all other machines on your network and perform the tests. One machine might have malware that is using all of your bandwidth. If everything tests OK with only your machine under test, bring other machines up one at a time to isolate the source of the problem.
Are you using wireless for connectivity? If so, you are sharing bandwidth among not only yourself, but whatever neighbors are using the same wireless channel. If anyone is using 802.11b, that has the possibility to slow down all users of the wireless network. Having said that, I don't think this is your problem but it is something to keep in mind.
Don't discount torrents as being a problem. They will suck up all of your bandwidth, and this can cause delays for other applications running on the network.
-- Dan Meyer
http://www.linkedin.com/in/danielrmeyer

WRT54G Ver 6 Constant Need To Reset!

I purchased a WRT54G Ver 6.0 Router in April to bring to Iraq with me. I have it connected to my iDirect 3000 Satellite Modem, with the static IP config input into the WRT54G.
I have two computers on my desk, my personnal XPS 1710 with Vista and my Work D600 Latitude with XP. Both computers exhibit the same problems at the same time. I have even had other computers connected and have had the same problem.
My problem seems to be a constant need to reset the WRT54G Router. I was connecting wirelessly. The system seemed to operate fine for a day or two. I started to have problems with the connection to the internet dropping. When it did this, I could not connect to the WRT54G setup page either. I figured something locally here at the Camp in Iraq might have been interfering with the wireless, so I ditched the wireless and have been using wired connections. The problems have not stopped. I am constantly having to unplug and reset the router to reconnect. When it hangs up, I cannot even connect to the setup page. Occasionally, it will find itself without reseting the router, but most times, I have to reset.
I have tried factory default reseting and manually reentering my settings. I have just updated the firmware, but it didn't seem to solve anything. In the past few minutes while trying to search for this problem here on this forum, the router dropped the connection twice. The networking icon on the computer still indicates a connection, on the Vista is shows that a local connection is available only (during the problem).
I have read a little online and this seems to be a common problem for Linksys. I have 2 more of these routers, one at home and one at my office in the States. Both have had the problems, just not as severe. This router requires reseting at least 15 times a day during my 12 hour shift.
I bought the Linksys Routers because they did have a reputation for reliability and quality. Boy, I guess I should have researched this one a bit more.
I have 5 IP addresses from my Satellite ISP, so I am considering configuring the Router as a Switch or HUB, but I am unsure on how to do this, or of it will even solve my problems.
Any ideas?
Thanks,
Vincent

I am having the almost exactly the same problem. It started about a week ago, (just like alot of others I have read on here recently) and I too will have no access to the set up page once it drops the net. I can still acess other computers on the router, but no net and no router set-up page until I reset it. I'm running the same router, without the firmware update. I have 4 desktops directly into the router..and one laptop wireless. Most of the time, the net will stay on for all the computers for surfing and email. Maybe once or twice a day it will drop access to the internet. a simple unplugging of the power cord resets it and everything is peachy. BUT....try to start a download.(usind DAP *download accelerator plus* or a bit torrent)...WHOA! it's anywhere from an instant drop to maybe ten minutes then drop. Most assuredly it will drop. we have had this router since January, and until a week ago, it worked just fine. no problems. Last week, our ISP upgraded their equipment and increased the bandwidth. (we have to use a cellular connection with a static IP being out in the boonies far enough that cable and DSL are still not available) The problems started at the same time and I thought it might be a problem with them. After testing one of the computers with a direct connection to the internet modem, everything, including a major download, worked just fine. It is definately a router problem. I spent quite a lengthy time on the phone with Linksys tech support, and the nice lady had me change the MTU rate from 1500 to 1300. It seemed to work, but about an hour after being done with the support call, things started to go wonky again. I am just about at my wits end!! Nothing has been changed on the router settings except that one thing that tech support instructed me to do. I am kinda leary about upgrading the firmware because I have been seeing a ton of *my router wont work with firmware update* or *now my router is frozen* posts. I have to type in a ton of settings because I am using a static IP and I really don't want to do all that again!! lol PLEASE, somone have a solution to this problem! It is driving me mad!! I would really hate to have to buy a new router, but my roomate is about to that point if this doesn't get fixed soon.

Wireless connection speed fluctuating: please help if you can.

Hi there,
I have a problem with wireless Internet connection speed which spinning my head off, I desperately need other people advice please.
My AirPort Express (AirTunes) serves the flat with Internet, two pc’s and an iMac (Intel Chip). The first pc is a sony laptop that has the Centrino platform (i.e. Wireless ready) and the other pc has an internal D-Link Air DWL-510 wireless PCI (IEEE 802.11b)
The laptop seems to get the maximum speed of the internet connection anytime anywhere in the flat, the iMac gets 70% of the connection speed. While the PC with DWL-510 gets only 30 – 40% of the connection speed only. However, sometimes all the sudden, both the iMac & the PC will get the maximum speed as it should! On a random bases.
I am puzzled trying to establish why is that happening? what could it possibly be that is curbing the connection speed to start with? And what changes that sometimes the pc will get the full connection speed? I have a wireless phone at home, I have a wireless temperature controller as well, and there are wooden walls dividing the rooms in between. I tried switching the wireless devices on and off but the results produced had no affect. My AirPort Express is password protected, so (most likely) no one is steeling my bandwidth. So, what else am missing? What other factors that causing this fluctuation in my internet connection!!?? Please advice if you can think of anything?
Many thanks.
iMac G5 Mac OS X (10.4.4) iMac 17' 1.8 MHz PowerPC 1.25 mb RAM

hello Satchmo.. thanks a lot for your reply.
In regards to the first point (ISP connection), I agree. When I tried to test the line some time ago (on a wired link) I noticed the fluctuation, but it was acceptable. The problem I have now is that the 2mb connection I have, this particular pc receives only 600kb (+/- 10% variable), where is the other 1.4mb going? Sometimes, all the sudden I notice my connection go mad and I get the full speed for a while! I don't know what has changed from the surroundings.
The other things you mentioned (source of influence i.e. other wireless networks that might be crossing mine, bluetooth devices and Ethernet port is used while the wireless is in use) all are viable possibilities. I’ll start testing to check if any of ‘em is the case. Especially other wireless networks, cause its seems that my wireless card discovers at least other two connections along side to mine. I guess if it was the case, nothing much I’ll be able to do about it.
Also thnx for the link.. I don’t understand why I failed to find it when I searched the net!!
iMac G5 Mac OS X (10.4.4) iMac 17' 1.8 MHz PowerPC 1.25 mb RAM

WRT54G v1.0 Constant Speed Fluctuation

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