Linksys EA6400 speed problems

Hi
My ISP is Virgin Media, and line speed is 30 meg using their "Superhub".
When I put the superhub into modem mode and connect my EA6400, the line speed drops to 8 meg. have tested all the cables and all tested correct. these speeds are the same if I am wireless or wired
Any help would be appreciated
Solved!
Go to Solution.

Media Prioritization:
Install the newly available firmware (download from support site)
Enable Media Prioritization
Enable WMM Support
Set Downstream\Bandwidth to the maximum value your ISP provides you. ## x 1024=##### value to enter into the Downstream box.
http://support.linksys.com/en-us/support/ccc/MEDIAPRIORITIZATION
WMM Support must be enabled for single wireless N mode to function.
http://kb.linksys.com/Linksys/ukp.aspx?vw=1&articleid=5471
fast20 wrote:
this worked for me.... go to your configuration... media prioritization.... settings.... wireless.... and turn off wmm support.... or just turn off media prioritization... got my expected speed after that... good luck...

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Hey folks,
I have a problem with my new SSD. I only get sequential reads of 140MB/s and writes of 114MB/s.
I think it is a driver related issue. I once got faster SATA2-like speeds but cannot reproduce the system settings again... Everything back to SATA1-like speeds after reboot.
First my pc specs:
MSI K9N2 Sli Platinum, BIOS v3.9
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I installed Win7 first with all the default settings in Windows Setup from DVD. Default "IDE ATA/ATAPI controllers" driver was "Standard AHCI1.0 Serial ATA Controller".
SSD was connected to SATA1-port, On-Chip Sata Controller AHCI enabled in BIOS, Extra RAID/IDE Controller disabled.
All fine, but whichever benchmark I used (AS SSD, HD Tune Pro, Atto Disk Benchmark, CrystalDiskMark; other tools used: DriveControllerInfo, AIDA64/Everest, CrystalDiskInfo ) I got e.g. 140MB/s Read and 114MB/s Write sequentially (CrystalDiskmark, similar with random data AND only zeros ).
Trim working (it seems) with AHCI driver. I also changed to nvstor64 driver (nforce driver setup 15.56), with is marginally faster but not what you would expect from a SATAIII drive on SATAII controller.
2)
I installed Win7 using "diskpart" (Shift-F10) during disk setup, setting a cluster size of 64k instead of default. No real change.
3)
After reinstall of Win7 x64 (again...), I changed from SATA1 port to SATA6 port, also enabled Extra Raid/IDE controller set to AHCI as well.
Nothing changed. With all settings to default in Windows (ahci default driver), I then manually updated the ahci to nvstore64 driver in Device Management, rebooted.
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While I ran this benchmark Windows came up with a message: "You must restart your computer to apply these changes - Restart Now/Restart Later".
After the previos reboot, when I changed manually from AHCI to NVSTORE, I had changed nothing in the current session, apart from running CrystalDiskMark.
I did reboot and I was back to the slow SSD speeds again = 140/114 MB/s...
4)
I have tried every possible combination of mainboard SATA ports, drivers changing with nvidia setup/manually, deleting and disabling controllers (incl BSOD and startup repair :D ), chaning bios settings around, but I just cannot get back the faster speeds
There is never any change in speed, whether I use ahci or nvstore64, whichever benchmark I use, whether random or zeros...
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Am I missing something with the driver setup?
Do I need additional drivers for the extra JMicron Controller when using SataPorts 5/6 ?
I have no other mainboard to test this with...
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Hey guys - problem 'solved':
I tested the OCZ SSD Vertex 3 120GB with following sata3 controller card http://www.lycom.com.tw/PE-115H.htm.
The card itself works immediately (needs at least PCIe x4 slot, will work slower otherwise but still faster than the OCZ SSD @sata1 with nvidia chipset).
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Benchmark CDM with sata controller card Lycom PE-115H:
http://img24.imageshack.us/img24/3845/cdmpe115hahci0x00.png
http://img850.imageshack.us/img850/7549/cdmpe115hahcirand.png
Speed is much better than before with nvidia chipset 750a SLI controller: sata1 (sata2 whenever it randomly worked):
http://img839.imageshack.us/img839/505/cdmahci0x0.png
http://img13.imageshack.us/img13/6258/cdmahci0x0sata6contnv64.png
Final thoughts:
Well, I am happy with the SSD speed now (PCIe limited to 5Gbps). However, I had to spent quite some time to get it working on my sata2-cabable mainboard. Finally, I had to buy a extra controller card to get it working reliably at speeds faster than sata1. There is hardly any useful information on why this problem occurs with (older) nvidia chipsets and OCZ (sata3) SSDs. I still think that OCZ must know about this problem, but regards this issue as low priority, while at the same time not planning on giving up on sales to people with nvidia chipsets. Maybe OCZ should just make a big sticker on the box the drives come in with something like "Does/Might not work with nvidia chipsets, please use third-party sata controller card or different SSD manufacturer". But then none of these potential customers would buy OCZ SSDs...
I will keep the sata3 controller, anyway handy to have, but return the OCZ Vertex 3 120GB and replace it with a SSD from a different manufacturer (Corsair Force GT, Patriot and OWC are not that great to get around here). The benchmarks for most people will not achieve the maximum advertised OCZ speeds anyway, so why not go with a brand that allows for some plug'n'play with some customer support.
Hope this post helps others like me with their nvidia chipset + sata1 speed problem
Cheers, Mike

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http://stackoverflow.com/questions/24110247/java-audio-metronome-timing-and-speed-problems
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    // TEMPO CHANGE
    // 750000000=80bpm | 300000000=200bpm | 200000000=300bpm
    long nsDelay = 750000000;
    long before;
    long after;
    long diff;
    String name="";
    int clickLength = 4100;
    byte[] audioFile;
    double clickFrequency;
    double subdivision;
    SourceDataLine line = null;
    long audioFilePlay;
    public SoundElement(SoundTest soundTestIn, String nameIn, double clickFrequencyIn, double subdivisionIn){
        soundTest = soundTestIn;
        name = nameIn;
        clickFrequency = clickFrequencyIn;
        subdivision = subdivisionIn;
        generateAudioFile();
    public void generateAudioFile(){
        audioFile = new byte[clickLength * 2];
        double temp;
        short maxSample;
        int p=0;
        for (int i = 0; i < audioFile.length;){
            temp = Math.sin(2 * Math.PI * p++ / (soundTest.sampleRate/clickFrequency));
            maxSample = (short) (temp * Short.MAX_VALUE);
            audioFile[i++] = (byte) (maxSample & 0x00ff);
            audioFile[i++] = (byte) ((maxSample & 0xff00) >>> 8);
    public void run() {
        createPlayer();
        audioFilePlay = soundTest.startTime + nsDelay;
        while (soundTest.playing){
            if (System.nanoTime() >= audioFilePlay){
                play();
                destroyPlayer();
                createPlayer();
                audioFilePlay += nsDelay;
        try { destroyPlayer(); } catch (Exception e) { }
    public void createPlayer(){
        AudioFormat af = new AudioFormat(soundTest.sampleRate, 16, 1, true, false);
        try {
            line = AudioSystem.getSourceDataLine(af);
            line.open(af);
            line.start();
        catch (Exception ex) { ex.printStackTrace(); }
    public void play(){
        line.write(audioFile, 0, audioFile.length);
    public void destroyPlayer(){
        line.drain();
        line.close();

Thanks but you have never posted reply s0lutions before ?? And F 4 is definitely not 10 times faster as stated before I upgraded !!

WRT54gc speed problem

hy. i've got more of a question than a problem to be honest. and i must also say i understand the technical terms in networking but i ain't that good and i'm sorry if i can't really make myself clear.
until about 5 days ago my Internet Connection was made through a modem which was connected to the router thus having internet to 4 computers (2 LAN, 2 Wireless). during this time, my router was configured with Automatic DHCP (or something like that) and a MAC clone of my PC.during this time and after about 4 years of fidelity , my internet connection was of about 6MB => ~700kbs download.
now, my ISP provider "upgraded" my connection and have direct cable connection. anyway, i now have a user name & a password. i switched the connection type to PPoE but i did not change anything else. the other settings are the same: MAC clone, open ports,Wireless MAC filters.
So here is my problem:
-if my PC is directly connected to the internet, i can achieve an efective download speed of 10 MBs (100 Mb connection or something like that) and upload speed of 1,6 MBs (12 Mb connection)
-if i connect through the router i can only achieve about 3 MBs download speed (only 2,5MB the other PC LAN connected -> weird i'd say).
As far as i know, the router should allow speeds of 10 MBs for 1 PC if the other computers aren't connected or don't need internet at a given time.
So i was wondering if this speed problem could be related to the fact that i still have the other settings (mostly the MAC clone of my PC; this is the only one i can think of that might create a problem) or it might just be hardware related (doesn't allow me better speeds or something).

well, since yesterday, i've reseted the router and only added the user name & password provided by my ISP but still it doesn't work as it should.
about my connection, as far as i can say, my contract with my ISP has been modified from the cable contract to a fiberlink contract, most likely the cheapest (they have 2 kinds of contracts). but even with this cheap-fiber contract, i still should have a total 10MBs download speed! yet, my exact connection is of about 3MBs DL speed total. i know this because i used for download 2 PCs and have 3MBs DL and 1,5MBs UP.
anyway, if it help here is how i think my contract looks like:
Maximum bandwidth in your town -> 50 Mb / s
Maximum Internet bandwidth -> 50 Mb / s
Traffic with maximum bandwidth on internet -> unlimited
is it possible that the router only uses the Internet bandwidth ??? if so, is it possible to configure it so it uses the other one too?
or is it just hardware limitations ?
Message Edited by dejeuro on 03-03-2010 02:39 AM

Broadband Usage and speed problems.

Hi.
I have question about broadband usage.
Its 11 days and bt website says I used more then 20GB!
Its nearly 1.8 GB per day! I used Internet for browsing website and receive one email pre day, I download twice large amount (about 1-1,5GB) and nothing more!
I just wonder what going on? I try monitor my usage day by day from 5 days ago and its worst and worst!!!
I nothing download but my usage going very fast.
Its looks like I will be download about 3 movies per day that means I will have now more then 30 movies! Its must be something wrong!
I used before VM and my average Internet usage was about 15-20GB per Month with solid 10MB speed.
Now my speed is **bleep** from 8mb to 1mb and sometimes less then 512kb!!! And usage is higher !!!
How can I see details about my usage?
And q2
About speed - in my area BT Infinity will be available from 31.12.2010
Its mean still BT have same works, it might be cause my slow broadband?
And from 25.11 till now is same problem with broadband, in three days I must reset BT Hub because there is no Internet. On BT Hub anything looks fine, Is IP address etc... But is no Internet telephone and no Internet as well.
I check by used ping bbc.co.uk

Andy_N wrote:
Hi.
I hope you don't mind me asking a few questions, this may help to determine why your usage is as high as you're seeing.
Do you have more than one computer connected ? Do you use iPlayer, or watch lots of youtube stuff ? Do you have any games machines such as XBox connected to the Internet ?
Are you uploading lots of things ? uploads count as well as downloads.
Are you up to date with all security and anti-virus packages, and have you run any scans recently ? (sometimes viruses and trojans can cause a usage problem).
Your inherent speed problem could be due to various reasons, for example worsening line conditions due to weather and general wear and tear. Strangely viruses can cause a noticeable slow down, but mainly due to the computer being infected rather than the line being slow.
Can you posssibly post the hub stats ?
If you're using a PC, download something like Networx usage monitor and see if that can help. Of course it needs to be on each PC, but can't see the usage of games machines or Internet TV (or iPhone use etc).
I used only 2 machines. Desktop PC and laptop. Laptop very light, just 1-2 hours per day only websurfing (3-5 websites with no movie or high quality images, 90% is just plain text)
I not download lots of stuff, Like I just say, in VM my average monthly usage was 15-20 GB and I download few movie and lots of music.
In December I just download one movie other traffic is just webserfing email.
Youtube - yes I watch, but its not new staff for me, like just say my usage is not deferent then was in VM!
Now usage monitor on BT web site say I used more then 20GB! in 11 days!!! if one movie will be 0.7GB its means I download about 30 movies!
Its massive! I never download 30 movies in 2-3 months )
This start about 5 days ago, when my strip goes to orange. My average Internet usage is 1.8GB !!! Even I for 2 days used Internet very little.
I nothing upload.
It is not possible, to anny worm or viruses used so big bandusuage if any software used Internet connection in background (like systems) its just kilobits not gigabits!
If I will be use very hardly Internet I will be no rise alarm. But I now what I used. I have Internet for more then 7 years and now how far I go.
And now is very strange - I less used inherent I have more GB used!
In my calculation if my average usage per day will be 1.8GB I will used 55GB!!! I never used more 20 - max 30GB! It must be something wrong on BT site.
I get BT Broadband option 2 be cause, I now I used about 15-20GB per months and BT Broadband option 1 is not for me, but 20GB in 11 days!
We not talk abut 100MB! or 500MB per day we talk about nearly 2GB per day! Its massive!
Is any chance to get detail Internet usage?
Q2
I loose Internet connection 3 times per week, so I need push reset button on hub.
I left once Hub with no reset but in 5 hours it will still no Internet.
Its looking very strange, because anything looks OK except I loos Internet phone (no blue telephone light)
In hub stats is IP, is Downstream etc... but when I ping bbc.co.uk it say: host unavailable or similar.
After reset working well. My be my Hub is faulty?
Many Thanks for reply!
Hub Stats
Line state
Connected
Connection time
1 day, 3:31:03
Downstream
10,124 Kbps
Upstream
1,022 Kbps
ADSL settings
VPI/VCI
0/38
Type
PPPoA
Modulation
ITU-T G.992.5
Latency type
Interleaved
Noise margin (Down/Up)
8.8 dB / 4.9 dB
Line attenuation (Down/Up)
31.0 dB / 15.5 dB
Output power (Down/Up)
20.9 dBm / 12.4 dBm
Loss of Framing (Local)
0
Loss of Signal (Local)
0
Loss of Power (Local)
0
FEC Errors (Down/Up)
139453 / 426
CRC Errors (Down/Up)
24 / 2147480000
HEC Errors (Down/Up)
nil / 61462
Error Seconds (Local)
16

Another 3G Data speed problem on 4.1

Hi All,
Background info first:
Using Win 7 Ultimate, iPhone 3gs 16gb, iTunes 10.0.0.68
Located in Milton, Ontario, Canada (near Toronto), Rogers Cell network
While my iPhone was on os 4.0, everything worked perfectly, I was getting 5 bars of service almost anywhere I was, and the 3g data was almost always fast (about 99% of the time it worked without an issue). On rare occasions my signal strength would dip to 4 bars, but that was the worst of it.
I then upgraded to ios 4.0.2, and things have been downhill from there. My 3g speeds are generally terrible now, I usually get 1 or 2 bars, occasionally I will get 3 bars, and only once have I seen 4 bars. Needless to say, I can't really get online with much reliability anymore.
I then noticed an update and upgraded to 4.1, things are even worse now. My geocaching app refuses to connect to the gps, it just hangs, and I am frequently missing phone calls (phone doesn't even ring, I just get a text telling me I missed a call). Battery life is all over the map now as well, some nights I will go to bed with battery at 100%, and when I get up it is at 88%, other times it has completely drained.
I contacted Apple, they told me about the problem where the signal strength wasn't being reported properly, and now I am just seeing what my true signal strength is. I don't buy that at all, because if that is the case, then if my phone was showing 5 bars, and I was actually only getting 2 bars, I was still able to get really fast speeds, now that it is "correctly" showing 2 bars, I am getting terrible reception. Apple support suggested I contact an apple store and book an appointment.
Went to apple store, met with the genius bar guy, he was really helpful, he thought it might be my sim card, so he gave me a new sim card, and then he decided he might as well give me a new phone in case it was the device, new phone came with os 4.0.2, so the only thing that really fixed was the geocaching app, but to get all of my contacts back, I had to restore from a backup, and I am back at 4.1, and no data speed.
I contacted my cell carrier, and they can't figure it out either (one of the reps even told me to jailbreak my phone so I could downgrade to an earlier os).
My mother in law has an ipad, on the same carrier, and she lives way out in the middle of the countryside. She gets 5 bars at her house, I get no service.
Just wondering what people think is the issue, is it phone + os, or is it network?
My thought is that it is the new os, my wife has the same phone with os 4.0, but on a different carrier, and she always gets 5 bars of strength.
Thanks
Mike

Hi mlethbridge
to clarify, I am not interested in jailbreaking the phone at all, I was just shocked that a customer service rep actually suggested I do that.
Yes you have to wonder sometimes
When I first contacted apple customer support, they told me to try restoring from a backup, did that but no change, then I restored to a new state, but I was still getting the 3g speed problems.
When I received the new phone from apple, I did check the data speed, and it was still slow.
So was it just slow or so slow that it was timing out before it would load anything?
The geocaching app problem has been solved, I don't know why, but when I checked in Location Services, geocaching was turned off, that was a real simple fix (boy I feel like an idiot on that one), but that obviously didn't help the 3g speed.
Yes, I wish sometimes all things were that easy to fix.
As for the contacts, I always just kept them on my phone, count that as a lesson learned, they have all been synced over to my computer now.
Good to hear, I would hate to see a post saying 'all contacts lost how do I get them back?'
I personally treat my phone a portable storage device and never have anything on it that I cannot afford to loose.
The point I was making with the iPad comparison is that my mother in law and I should be getting almost identical speeds (I am aware that the antenna might be a bit different in the iPad, but it shouldn't make that much of a difference), so I am not sure if it is just the way my cell network interacts with the new firmware, or if it is just the new firmware itself (if that makes sense?)
I know what you mean, I'm not sure of the specs of the ipad v 3GS, but yes I would expect them to be reasonably similar.
I did a bit more testing today, and went for quite a drive out to my brothers, the closest cell tower to him is about 5kms away (from my house it is about 1 km), and I was actually getting 4 and 5 bars out there, and the data speed was pretty good (not as good as I was used to, but it was a speed I could live with), but back at my house, I am getting only 1 bar again.
On the surface of things, it sounds like its working as it should, all be it a bit slow maybe.
I am really waffling as to which is at fault, is it the firmware or my cell network.
I was recently discussing a roughly similar issue with another user where his connection on 3G was timing out Unfortunately we could not determine if it was firmware or carrier in the end, his problem just evaporated and his data just suddenly came good, which was great for him, but a bit frustrating for everyone as the cause was never found.
In that case everything was attempted. You can read about here http://discussions.apple.com/thread.jspa?threadID=2570292 if you are interested.
Try a few things;
Make sure that you have the latest carrier setting file. It is possible that with the new 4.1 firmware, this file also requires updating. I know my carrier updated their's (Telstra Australia) after the upgrade.
This should be an automatic thing, but it doesn't hurt to check. Connect your phone to iTunes and check for updates. If there is a carrier update available you will prompted to download it. Alternately, in the iphone go to Settings > General > About and if there is an update available, you will be prompted to downloading.
I think that you want to determine is just what speed are you getting.
My first step would to download a speed checker app, I use Speedtest.net app, but any free tester will do and use it to test your download and upload speeds. Compare this with different locations within your house and also where you are showing a much stronger signal. You will probably find that it varies a bit depending on your location.
See if you can compare it with another iphone on the same firmware, same network, same location, or compare it with the ipad, but I think it would be better with another iphone.
What happens if you turn off 3G and access only by Edge, speeds will drop because Edge is slower, but by how much? And WIFI, what is data like on it?
What happens if you restore to 'new' and just sync the speed tester app. Does that resolve anything? This will determine if something else in the background is causing the issue.
On that though, what other apps do you have running at the same time that could cause a slowdown? Mail? Facebook? Streaming Music? If multiple apps are running that require internet connection and then you open Safari to browse all the apps share the connection speed between them, so it could appear that the internet connection is slow.
Hope this helps a little

LAN speed problem WRT54G v5

Hi,
I have a speed problem using ONLY the LAN.
I've disabled the firewalls, antivirus and connected the line directly to the computer using PPPoE without any modems.
I've tested the line with a big download using torrents. My speed is at 5-6 Mbps.
If i connect using router (using DHCP, PPPoE protocol and even with port forwarding set) my speed goes down to 1.5-2 Mbps.
I have only 1 computer linked to the router, but the IP provided by ISP it's dynamic, so i'm using router only for UPnP. I tryied with port forwarding bypassing the UPnP and still dosen't work.
The firmware is the last i've downloaded from your site 1 week ago.
Any suggestions please ?
Message Edited by zgamby on 10-01-2009 12:11 AM

DI followed your instructions and did all that.
No change. Same speed
Is it possible for that to be the maximum hardware speed ?

Linksys EA6400 speed problems

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