Re: Upgarde the cpu on a A7V333
- From: Timmy <oops@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
- Date: Fri, 14 Oct 2005 06:32:55 -0500
Thank you very much Paul. Your help is greatly appreciated.
On Thu, 13 Oct 2005 19:27:44 GMT, nospam@xxxxxxxxxx (Paul) wrote:
>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
>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.
>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
>Here is a picture of a wire trick. A tiny wire which is tinned
>on the outside is best, as bare copper can oxidize.
>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.
>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
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