Re: Upgarde the cpu on a A7V333




Thank you very much Paul. Your help is greatly appreciated.

Dave



On Thu, 13 Oct 2005 19:27:44 GMT, nospam@xxxxxxxxxx (Paul) wrote:

>
>http://support.asus.com.tw/cpusupport/cpu_support_right_master.aspx?type=1&name=A7V333&SLanguage=en-us&cache=1
>
>According to that list, it looks like you need a PCB board revision
>number of 2.00 to run at FSB333. The PCB revision number is usually
>printed in white numbers and should be near where the model number
>is printed on the motherboard. I also think there was a sticker
>somewhere on the packaging of the motherboards that were FSB333
>ready.
>
>Another option is the AthlonXP-M processors, which are multiplier
>unlocked. You need a motherboard that can set the multiplier
>to use one of those, and have to do some research on your
>motherboard first, to see if anyone has done it before. I use
>one of those mobile processors at 200x11 on my A7N8X-E Deluxe.
>If your motherboard is limited to FSB266, you could aim for
>133x16.5 to get to 2200MHz. (These processors were available
>at Newegg and there might still be some for sale.)
>
>This web page has info on available multipliers. The multiplier
>is a five bit code, and on many motherboards, a chip drives four
>of the bits, under BIOS control. To get multipliers 13x and
>higher, requires controlling the fifth bit, by using a wire
>stuffed in the S462 socket.
>
>http://fab51.com/cpu/barton/athlon-e23.html
>
>When doing multiplier testing, you drop the clock to 100MHz,
>in order to avoid driving the processor to too high a speed.
>Once you figure out how the multipliers work, you can move
>back to 133MHz. If your motherboard is rated at 166Mhz, then
>166x13 would still require the wire trick in the socket.
>Accepting 166x12.5 = 2075MHz would not need a wire in the
>socket.
>
>Here is a picture of a wire trick. A tiny wire which is tinned
>on the outside is best, as bare copper can oxidize.
>
>http://img49.exs.cx/img49/8428/13multi2.jpg
>
>If you select "socket view" here, and try the various multiplier
>values, you can see the difference in the jumpers, between less
>than or equal to 12.5 and the 13 and above multipliers. Four
>of those bits can be driven by a chip on the motherboard, leaving
>only one that needs a wire.
>
>http://www.ocinside.de/go_e.html?/html/workshop/pinmod/amd_pinmod.html
>
>In some cases, a software program can be used to load the multiplier
>into the MSR, allowing overclocking from within Windows. That
>program only works with mobile processors, but also requires a
>lucky motherboard to work. That program doesn't work with my
>A7N8X-E.
>
>HTH,
> Paul
.