Question about Zyxel Prestige 650HW - ADSL Router w/4-port switch (91004239002)

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Network speed. Hi, I am an amateur so apologies in advance if this is a silly question.... A Speed test tells me I have download speed of 3495 kb/s and upload speed of 305 kb/s My PC tells me I have a network speed of 100mps. I feel I am not getting the full value of the download speed. Might my system be constrained by some of the hardware (or software)? I have a Dell dimension 3000, a Zyxel prestige 650H-E1 ADSL Router. Thank you...

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  • unionhall Jul 22, 2008

    Thank you latoof,



    The rated internet connection speed is 4MB. It was increased recently but I saw no change in my processing speed. Could the PC itself be a limiting factor ?

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I'll have to dig that out.... back later - and thanks again.

Posted on Jul 22, 2008

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The speed of the network adaptor is 100mps but the system speed is constrained by the maximum speed that your broadband provider.

What is the rated speed of the internet connection to your home? this will be the limiting factor.

Posted on Jul 22, 2008

  • Dave Jul 22, 2008

    From your tested speed, you appear to be getting what I would consider a reasonable speed from a nominal 4MB service.



    As far as "processing speed" do you mean the speed of browsing on theinternet?



    In general terms yes you hardware may be limiting performance. please post specs of system

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You don't mention if you've tested the connection without the router, or whether you're using a wireless or wired connection. So I've tried to give you as much of the necessary information as possible, sorry it's so long and I hope I haven't rambled too much or been confusing.

Remember not to test using just one site, the wider the range of sites you use to test, the more useful your findings, up to a point. One or two large sites should be enough ie microsoft, ubuntu, etc and maybe a couple of sites that you use regularly.

Test the connection without the router, if it's much better, then you know it's definitely something with the router, if not then it's either a slow server(if it only happens with certain pages), virgin or your pc(running slow, viruses, faulty hardware etc). So make sure your pc is working properly, clean of viruses and spyware (including ie toolbars, and google software etc) and/or phone virgin.

If you're not sure if your pc is ok, see if you can borrow another and try it on your connection. Make sure the owner doesn't have a similar problem to yours.

To test yourself if it's likely to be virgins fault go to this http://www.ubuntu.com/desktop/get-ubuntu/download and click on the "get it" button don't worry it's a safe download, but you can cancel the download after you've checked your speed anyway. Or you can download something from Microsoft if you prefer(there are other sites you could use for this, but you need to make sure it's definitely got the speed capability). Leave it downloading for a few minutes then write down the transfer speed you're getting and check against the list at the bottom. Make sure you don't do this during peak times (ie. 4-9pm etc), as it won't be accurate enough.

So if the connection improved without the router then test your router.
If you're using a wireless connection, then see if you can get better speed with a wired one.

If wired is faster then make sure the router is set to use wireless g and not just b, also try changing your channel number. It may just be that you're too far away from the router (either move the pc closer or get a range extender) or that there's too much in the way ie. metal, brick, concrete. Or that there's too much interference, ie. other peoples wireless (in which case change the channel number), cordless phones, microwaves, etc. (try to move them out of the way if possible)

If the speed on wireless and wired is about the same or not much better, and it's not down to virgin or your pc, then you'll need to make sure your settings are correct and in line with virgins. It may be a faulty router, but it's usually not the case.


Speeds
-----------

Transfer speeds
eg 10kB/s, 1.1 MB/s

1024 kB/s = 1 MB/s

Right you know what line speed you're meant to be getting right? It'll either be 4Meg, 10Meg 20Meg or 50Meg. Now you've seen your transfer speed you're thinking that it's really slow, well this may be the case but it's not as easy as that, line speed and transfer speed are measured in different ways

line speed = kilobits or megabits per second = kb/s or Mb/s
transfer speed = kilobytes or megabytes per second = kB/s or MB/s

1 byte = 8 bits so if you have a 20meg (megabits) connection your maximum transfer speed is 20 divided by 8 which equals 2.5 MB/s or 2500 kB/s, that's the theory, in reality you'll never quite get that high, but you should at least have about 2MB/s+ (megabytes not megabits)

4meg = 500 kB/s
10meg = 1.25 MB/s or 1250 kB/s
20meg = 2.5 MB/s or 2500 kB/s
50meg = 6.25 MB/s or 6250 kB/s

But remember that is the theoretical maximum, and not taking overheads into account, you're likely to see slightly less, even at non-peak times and with large sites that have the infrastructure to provide hundreds of times the bandwidth of your connection.

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Hi,

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rate me please




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