bus clocking speed problem for A7N8X-XE

  jas7 16:29 18 Dec 2006

Hi everyone,

BTW I finally did get round to upgrading to an A7N8X-Xe motherboard, thanks to your excellent help. It has been running very well just one problem the bus clock speed is reported by the BIOS and Belarc as being 100MHz not 133Mhz. How do I change it: through the BIOS or through jumper conenctions?

thanks as ever for your help


  Totally-braindead 16:53 18 Dec 2006

Do you not have a manual?

  Totally-braindead 16:59 18 Dec 2006

Heres a link to the manual click here its page 2-15 its set via the BIOS.

  jas7 19:07 18 Dec 2006

Yes, I do have a manual and I've tried using the procedure on page 2-15 but after I've changed it to 133Mhz is says it cannot be upgraded or something like that. The processor is picked up as a Athlon running at 1000 but it is a Athlon XP1500+ which should run at 133Mhz. doesn't seem to be anyway to physically override this. wondering about updating the BIOS but read that somebody who did do that had trouble with SP2, so reluctant.



  brundle 19:15 18 Dec 2006

What memory are you using?

  brundle 19:21 18 Dec 2006

There is a jumper on the A7n8x to restrict bus speed to 100/200mhz, page 21 of the manual for that mobo.
I don't know what extra features the Xe version has but it may have the same jumper - it is just to the left of the northbridge chip.

  Quiller. 21:04 18 Dec 2006


You just alter the FSB_SEL0 and the FSB_SEL1 jumpers on the motherboard.

The settings are for 200Mhz, 266Mhz, 333Mhz and 400Mhz.

Set yours to the 266Mhz jumper settings.

You can download the jumpoer settings off the asus web site, if you haven't looked for them yet.

  Quiller. 21:14 18 Dec 2006

2 minutes searching on the asus web site gives you click here

  skidzy 21:17 18 Dec 2006

Three browsers and no joy from your link.Are you sure you copied the correct one.

  Quiller. 21:30 18 Dec 2006

it is a direct link to a pdf file 69.79Kb, from the web site. Right click the link and open in a new tab and pick either save or open.

Works fine on my browsers.

  skidzy 21:39 18 Dec 2006

Now that is strange,now works in Opera but not IE7 or FF2.

I had a little trouble a while ago with pdf's and thought it was sorted.

On trying to access your link in IE and FF i get Bad Request (Invalid Hostname)

Something to work on i guess.

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