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Cpu install install AMD Athlon XP 2600 cpu AXDA2600DKV3C with biostar board m7vigpro. I have changed jumpers for 133 fsb- OK. But when I use cpuid it only registers 800mhz with 6x133 multiplier what is my problem? Is it a misapplied serial number? Or is there something in my bios that needs updating- I supposedly got the latest update? I don't know what to do? I got this cpu to since it is the max for this board I just want to get it to work. The Mobo: M7ViG Pro Biostar The Cpu Athlon XP 2600 AXDA2600DKV3C.

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Re: Cpu install

If you go in to the bios you should be able to change the multyplier from x6 to x16.

Failing that try loading optimized default in the bios. :)

Posted on Dec 29, 2007

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My athalon xp2000 processor died. What can I replace it with that is compatible with k7s5a motherboard?

There are several versions of the K78S5A. The following answer applies only to v.3.x.
CPU: AMD Duron 200Mhz FSB CPU - 950 AMD Duron 266Mhz FSB CPU - 1800
AMD Morgan 200Mhz FSB CPU - 1.3G
AMD Athlon 200Mhz FSB CPU - 1.4G AMD Athlon 266Mhz FSB CPU - 1.4G
AMD Palomino 266Mhz FSB CPU - 1.2G
AMD Athlon XP (0.18u) 266Mhz FSB CPU - 2100+ AMD Athlon XP (0.13u) 266Mhz FSB CPU - 2600+

I hope that helps! Good luck.

Mar 06, 2011 | EliteGroup K7S5A Pro Motherboard

1 Answer

Set CPU/FSB speed on KT40A-ANH MB

Don't screw around with jumpers. There are a buttload of fan speed hacks for software on the computer. Google Fan speed hack and you might find one that works.

Sep 27, 2009 | Pine Technology (KT40AANH) Motherboard

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2600+ with ASUS MB A7V266-E/AA

Here is the CPU Support list from Asus Support, for the Asus A7V266-E,

Scroll down the list. 34th one down, that is listed.

1.Did you get the Athlon XP 2600+ that has a 266MegaHertz, (MHz), Front Side Bus? (FSB)
The AXDA2600DKV3C?

There is an Athlon XP 2600+ that has a 266MHz FSB, and one that has an FSB of 333MHz. <-This one Won't work.
Model number ->AXDA2600DKV3D will Not work.
Both are Thoroughbred A/B Core models.

The AXDA2600DKV3C has a 12.5x multiplier.
Your 1900+ has a 12x multiplier. (AXDA1900DUT3C) They both have an FSB of 133MHz. (Shown as 266MHz because AMD processors are 'Double-Pumped')

A.The AXDC2600DKV3C will not work. It has a 16x multiplier. (Thorton Core)
B.The AXDC2600DKV3D will not work. It has a 333MHz FSB. (Thorton Core)
C.The AXDA2600DKV4C will not work. It has a 15x mulitplier. (Barton Core)
D.The AXDA2600DKV4D will not work. It has a 333MHz FSB. (Barton Core)
E.The AXDA2600DKV4E will not work. It has a 400MHz FSB. (Barton Core)

2.Are the jumper blocks -> CPU RATIO, and SYSCLK, still set in the Jumper Free Mode?

By the factory default settings these jumper blocks, (DIP switches), should already be set to Jumper Free Mode.
The white DIP switches should be in the OFF position. (The white switches will be DOWN, towards the numbers on the jumper block CPU RATIO. They will be UP, away from the numbers, on the jumper block SYSCLK))

The CPU RATIO jumper block is right above the processor. It is a blue rectangular block.
The SYSCLK jumper block is down the motherboard, right below the AGP graphics card expansion slot. (And above the first PCI expansion slot)

If those two jumper blocks are not set to Jumper Free Mode, set the DIP switches in the jumper blocks to this setting.

Now go into BIOS Setup. In the main menu use the Right Side Arrow key on your keyboard, and highlight Advanced.
If -> CPU Speed is set to Auto, you won't have access to set your CPU parameters. If it is set to Manual, you will see them. If it's set to Manual, write down the headings, (CPU:System Frequency Multiple, System/PCI Frequency (MHz), and so on) Write down the numbers to the right of these headings. If something goes wrong, you can go back into BIOS Setup, and change them back.

1.CPU:System Frequency Multiple should be
2.System/PCI Frequency (MHz) should be
3.System/DRAM Frequency Ratio should be
4.CPU Vcore should be (1.750)
5.CPU Level 1 cache, and Level 2 cache should be (Enabled)
6.CPU Level 2 cache ECC Check should be (Disabled)
7.BIOS Update should be (Enabled)
8.PS/2 Mouse Function Control (Auto)
9.USB Legacy Support (Auto)
10.OS/2 Onboard Memory >64M (Disabled)

Leave the rest alone.

The AXDA2600DKV3C uses 1.65 volts, has a 12.5 clock multiplier, and a 266MHz FSB. (You will see 133MHz, and set all your settings to 133MHz. AMD processors are 'Double-Pumped'. Intel processors are 'Quad-Pumped')

Aug 10, 2009 | ASUS A7V266-E (A7V266-E AA/PA/WOR)...

2 Answers


The Ol' Asus A7V266-E?
1.The fastest Front Side Bus setting is 266MHz
2.Uses Socket 462 AMD processors
3.Uses Athlon, Athlon XP, and Duron AMD processors.

I would stick with an AMD Athlon XP. Fastest one? Hmmm, I believe that would be the AMD Athlon XP 2600+
The one that operates at 2133MHz with a FSB of 266MHz. Part number AXDA2600DKV3C

Here is the Motherboard Manual for your Asus A7V266-E, (It's a PDF file download. Let it download all the way before looking through it)

If the above direct link does not work for you, then go here, (Click on -> Download <- all the way to the right of -> File:a7v266e-100.pdfVersion:--Release Date:--)

Go to Page 19, Item 2. NO POWER connected to computer, make sure the SYSCLK (System Clock) DIP switches are set to 133MHz.
1, 2, 3, and 4 are set to the OFF position for 133MHz.
All you will see is the ON. The switches go to the opposite side as shown in Item 2.

I'm sure they are set there however, as your 1900+ you have in right now, uses a 266MHz FSB.
I should explain.
AMD processors are Double-Pumped. Therefore the 133MHz setting will become 266MHz for the processor. (Intel processors are Quad-Pumped.

They are both the same Core, (Thoroughbred A/B, Model 8, 130nm), so a BIOS update shouldn't be necessary.

Jul 07, 2009 | ASUS A7V266-E (A7V266-E AA/PA/WOR)...

2 Answers

MSI K7T Turbo2 No Manual

Hi, click on this MSI link which will open to the motherboard
K7T Turbo 2 (MS-6330 v5.0). Links for, Bios download, user manual & FAQ is listed at the top of the page in the blue in colored bar.
You can run up to 1800 but it must be the AMD Athlon XP (Palomino, Socket A) up to 1800+

Aug 05, 2008 | MSI K7T Turbo2 Motherboard

2 Answers


best processor
AMD Athlon, Athlon XP, Duron, and Sempron processors
200 / 266 / 333MHz front side bus

for further information visit the link

Jun 26, 2008 | Biostar M7VIG-400 (M7VIG 400-COMBO4)...

2 Answers

CPU model not recognized correctly

Any multiplier settings in bios? try using something like CPUID in your OS to see if it clocks faster then what bios tells you?

Feb 26, 2008 | Biostar M7VIG-400 (M7VIG 400-COMBO4)...

2 Answers

How to set my fsb at 166

what ur mother full model number or name?

Nov 18, 2007 | MSI K7T Turbo2 Motherboard

1 Answer

CPU Upgrade

Athlon XP 3000+ is 400mhz FSB according to the link(,,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 (

Sep 11, 2007 | Soltek SL-75FRV Motherboard

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