Download speed different for WiFi and Ethernet;

  damian212 12:55 30 Jun 2008

I am running a home network in XP. I have DSL modem and ASUS WL520GU router.
I have a pc connected via ethernet cable and 2 laptops connected by wifi.

I ran a broadband speed test on all 3 machines several times morning and evening.
The results were that both laptops on wifi had download speeds of 2Meg (which is what I expect)
The PC however only manages 160K.

I have reset all equipment, the cable is registering 100Mbps. The broadband must be ok because the laptops run at top speed. There must be something on the PC or router restricting the speed on the ethernet port.

Any ideas what to look for?

  ambra4 13:06 30 Jun 2008

Try these setting

Lan Card Setting

Right click on Local Area Connection Display Icon on task bar

Click Status-General-Properties

At the top of display the type of Lan card will be displayed

Click Configure-Click-Advanced Tab

Click- Flow Control-Change to Enabled if Disabled

Click-Power Management Tab

Untick if selected "Allow Computer to turn this device off to save power

Network Connection Setting

Click-Start- Setting-Network Connection-New Connection Wizard

Select-Connect to the Internet-Next

Select-Set Up My Connection Manually-Next

Select-Connect using a broadband connection that is always on


  damian212 08:47 01 Jul 2008

thanks for the advice; but in the advance settings there was only a tab for Firewall there wasnt a "Flow Control-Change" tab.
I did change the network connectio setting though to reflect the connectio as through a network hub.

I am still stuck with low speed when connecting though. Any other suggestions?

  ambra4 11:48 01 Jul 2008

Not the advance tab in properties what is the make of the lan card

Click the configure button next to the type of lan card and than the advanced tab in the lan card


You show see the following tabs, General, Advanced, Driver, Resources, Power Management Tabs

  damian212 12:14 01 Jul 2008

thanks, I will try it when I get home.
I have found the tabs on my work computer, so I know where to look now.

  damian212 17:06 02 Jul 2008

the network card is Intel(R) PRO/100 VE

in the advanced tab are the following settings.

Adaptive Inter-Frame Spacing : 16
Adaptive Technology : On
Adaptive Transmit Threshold : 12
Coalesce Buffers : 8
Enable PME : No action
Link Speed & Duplex : Auto Detect
Offloading : Large send
PCI Bus efficiency : Enabled
QoS Packet Tagging : Disabled
Recieve buffers : 48
retransmit Inter-Frame Spacing : 10
Transmit Control Blocks : 16

  ambra4 18:29 02 Jul 2008

Try upgrading to the latest driver; just enter the OS that you are using XP home or pro

click here

Also change the QoS Packet Tagging: Disabled to Enabled

  damian212 20:16 02 Jul 2008

updated the latest driver fron the intel site.

The only effect is that the download speed has dropped even further to 100k.

That is only 5% of what the wifi is getting.

At this rate I will have to buy a wifi card for the pc which is located 12 inches from the router and already connected by ethernet cable.

  Ditch999 21:02 02 Jul 2008

Try a different network cable

  DJ Techz 21:20 02 Jul 2008

Do you have the latest updates to your computer, including the optional ones???

  damian212 23:04 02 Jul 2008

thanks everybody. Solved it, and it turned out to be a simple solution.

I pulled out the PCMCIA wireless card in one of the laptops and put in PCMCIA ethernet card; then connected to router with a cable.

I got the download speed of 100k; hence proving the problem was with the router not the network card.

I reset the router to factory settings and instantly got full speed out of it.

My only problem now is that after putting the wireless card back in the laptop I can only detect next doors "unsecured" network. In shouldf be able to work this one out though. Thanks for all your advice.

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