I have a Biostar mobo Model M78VIG 400, and I am trying to upgrade the CPU to an AMD Athlon XP 2600. I updated the bios recommended by the vendor, changed the frequency jumper to 133Mhz (it has a thunderbird core), but the bios still only see the CPU as an Athlon XP 667Mhz. What am I missing?
I updated the BIOS and just installed an Athlon XP 2200+ in one of these boards. At first, it recognized it as an Athlon 1600. In the frequency control section of the BIOS, it allowed me to set it as high as 132. After changing it to 132, the BIOS showed the CPU as an Athlon 2200. I've benchmarked it and ran stress tests off of the UBCD and it appears fine.
Biostar reports the board as accepting Semprons and other CPUs up to 200mhz FSB speed. Go figure. Your best bet is to upgrade the BIOS and then set the clock to 132.
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No to the cpu you selected. Board would not support that cpu. The RAM you selected would probably work but for how long I couldn't say. With prices pretty low right now it would probably be better to purchase a new motherboard, cpu, & RAM. Hope this helps.
Look for socket A processors and ignore the XXXX+ and focus on the XXXXMHz rating (the MoBo's manufacturer's support site will give you the max processor your Board will handle). Since you mention that your MoBo is 4 to 5 years old, you'll probably better serve yourself to replace the MoBo and processor (you'll be able to upgrade to a much better/faster processor by upgrading both, and shouldn't cost that much more), and probably be happier with the result. You may want/need to upgrade your Power supply while you are at it too.
Athlon XP 3000+ is 400mhz FSB according to the link(http://www.amd.com/us-en/Processors/ProductInformation/0,,30_118_1274_3734^11672,00.html), means that in order to display the actual speed of your Athlon XP 3000+ you have to set your board 166mhz to 200mhz jumper setting or in CMOS utility overclocking option.
and also just to inform you that your motherboard is in Overclocked condition when set, because it only supports processors up to 333mhz FSB (http://www.digital-daily.com/motherboard/soltek-sl75frv/)