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I upgraded the CPU on my Abit KR7A Socket A 266MHz motherboard from a AMD Athlon XP 1700 to a 2600 which was the highest Athlon XP chip to support 266MHz, but it doesn't work. Any suggestions?

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  • kaufam7 Nov 19, 2008

    The computer will not post. The fans run and that's it. Do you think the motherboard might be fried? The computer kept shutting off and back on occasionally so I thought I had a virus or a bad hard drive at first, but these checked out okay. That's when I decided to check the CPU core temperature in the BIOS and found it was nearly 180 deg.F! It was still working, however, when I shut it down to blow the dust out of it and noticed that the CPU had become brittle and was disintegrating before my eyes. I upgraded the CPU, but it still won't post. What do you think?

  • kaufam7 Nov 19, 2008

    Okay...I did some of the suggested tests. The CPU looks okay under a magnifying glass, and was guaranteed to have tested good before it was shipped. I reseated it and it plugs easily into the socket. The original PSU (250Watt) was replaced with a more powerful one (350Watt) a couple of years ago, so I'm pretty sure it should be able to handle the new CPU (which is really still an old and obsolete CPU). I removed the memory, took out all the cards, unplugged the hard drives and made sure the PC speaker was plugged in, then turned it on. There were no beeps at all. A red light on the motherboard came on momentarily then flashed once if that means anything. I also noticed a slight burnt smell I hadn't noticed before. I think the motherboard fried along with the CPU. What do you think?

  • Simon Downey
    Simon Downey May 11, 2010

    David Kay pretty much already provided most of the info you need.

    To clarify though, do you mean it won't power on at all? As in no Post?
    Or do you mean the OS won't boot?


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I bought a fujitsu siemens scenic e600 with windows os apparently.i connected it all up to find that the monitor goes instantly into sleep mode (so no monitor) also on start up the keyboard doesnt flash, the mouse lights up tho,inside under the hard drive on mboard there is a red light on constant cant do a thing with it ,any ideas

Posted on Dec 29, 2008

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Under no circumstances should any CPU get that hot with proper cooling and functioning hardware.


DO NOT ATTEMPT TO PLUG THE BOARD BACK IN. IT IS A FIRE HAZARD.

Unfortunately, the board is done. Sounds like there was a failure somewhere on the board that probably caused the old CPU to be messed up. The bad news is that the new CPU may be jacked up if the board was bad and there's a burning smell. Even though the chip may look okay visibly, doesn't mean that it is.

Scrap the board and try to sell the CPU as-is and start from scratch. Socket A isn't all that common anymore and newer boards with a higher frequency bandwidth are pretty cheap and getting cheaper by the day.

I suggest newegg.com... You could easily get a new mobo and cpu for well under $100.

Sorry,
Simon.

Posted on Nov 19, 2008

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Hi Kaufam,

I'm sure you already know this, but it might be worth plugging in your pc speaker (if not already) unplugging your memory chips, hard-drive cables and all pci/agp cards and trying to see if the computer beeps at you during start up. You can then use these beeps on a lookup table on the motherboards manual to determine the error.

I hope this helps, otherwise try reseating it (again I'm sure you'll have tried this), try the chip in another board if you have one, ensure the PSU is powerful enough to power it (stupid I know!), and lastly you could have been provided with a dud chip, return to sended and hope for a working one. :(

Sorry I couldn't help much more than the obvious.

David

Posted on Nov 18, 2008

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1 Answer

Upgrade the 1.6GHz CPU on L7VMM2 Motherboard


ECS Support > L7VMM2 motherboard > Main Support page,

http://www.ecs.com.tw/ECSWebSite/Product/Product_Detail.aspx?DetailID=419&CategoryID=1&MenuID=50&LanID=0

Click on the CPU tab.

(Features / Specification / Download / Support / FAQ / CPU / etc)

Will support Up To an AMD Athlon XP 2600+,

http://en.wikipedia.org/wiki/List_of_AMD_Athlon_XP_microprocessors


Maximum Front Side Bus support is 266Megahertz.
(Max FSB = 266MHz)

(Motherboard manual states 133MHz.
Note that AMD processors are 'Double-pumped'.
This = 266MHz )

Supports AMD Athlon, AMD Athlon XP, and AMD Duron, processors.

Note in the CPU Support chart where it states -
Socket 462 > AMD Athlon XP > 2600+ (.13u)
The .13u stands for 130nm core architecture technology.

(nm = NanoMeter.
1 Billionth of a Meter )

NOTE*
For the Socket 462 (Socket A) processors, the AMD Athlon XP models are the top of the line.

'Sempy', or Sempron processors are at the bottom.
Low L2 processor memory cache compared to Athlon XP or Duron models.

http://en.wikipedia.org/wiki/List_of_AMD_Duron_microprocessors

http://en.wikipedia.org/wiki/List_of_AMD_Sempron_microprocessors

http://www.cpu-world.com/

http://www.cpu-world.com/CPUs/K7/TYPE-Athlon%20XP.html

Regards,
joecoolvette

Oct 13, 2012 | EliteGroup L7VMM2 Motherboard

3 Answers

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.
GaugeMan

Mar 06, 2011 | EliteGroup K7S5A Pro Motherboard

1 Answer

What cpu can I upgrade to using my K7SOM+ motherboard? curently using AMD Athlon 1800.


Provided below is a list of all supported CPUs for you're motherboard from ECS; http://www.ecsusa.com/ECSWebSite/Support/CPU_Support_Model.aspx?detailid=316&MenuID=69&LanID=0
The highest CPU is:
AMD Athlon XP 2600+ (.13u) (256K,266,Socket 462)

Cheers'
Mike

Jan 30, 2010 | EliteGroup K7SOM (K7SOM W/CPU) Motherboard

3 Answers

Can I upgrade my 1Ghz processor to a faster 2 or 3Ghz? I have an EliteGroup 741GX-M, socket 462 desktop with an AMD sempron


yes, it is possible, but the Front side bus will limit the functionality so much that it wouldn't be worth it.

Jan 02, 2010 | EliteGroup MB ECS 741GX-M SIS741GX 462...

2 Answers

A7V266E/AA MB CPU


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
http://en.wikipedia.org/wiki/List_of_AMD_Athlon_XP_microprocessors#Athlon_XP_.22Thoroughbred_A.2FB.22_.28Model_8.2C_130_nm.29



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)
http://www.motherboards.org/files/manuals/1/a7v266e-100.pdf

If the above direct link does not work for you, then go here,
http://www.motherboards.org/mobot/manuals/ASUS/A7V266-E/ (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)...

1 Answer

Finding compatible motherboard for new CPU.


Hi kaufam7.
this motherboard will work with your AMD CPU

Biostar M7VIG 400 Socket A+ Athlon 2600

you can check it on this website below

http://www.biostar-usa.com/mbdetails.asp?model=M7VIG+400

best of luck
magpi

Nov 19, 2008 | Computers & Internet

2 Answers

Maldonado223


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

for further information visit the link

http://www.biostar-usa.com/mbdetails.asp?model=M7VIG+400

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

1 Answer

Upgrading CPU


Abit KR7A-133R Motherboard
Socket A (also known as Socket 462) is the CPU socket
Best I can tell you should be able to get away with it.


http://www2.abit.com.tw/page/en/motherboard/motherboard_detail.php?pMODEL_NAME=KR7A-133R&fMTYPE=Socket%20A&pPRODINFO=Specifications&fSEARCHTEXT=KR7A-133R

Dec 18, 2007 | Abit KR7A-133R Motherboard

1 Answer

JetwayV266b (REV: 3.00) - Max processor speed??


Design ATX form factor 4 layers PCB size: 30.5x24.4cm Chipset VIA KT266A/VT8233A Chipset CPU Socket Support AMD Athlon 700MHz∼1.4GHz processor Support AMD Athlon XP 1500+ 2600+ processor Support AMD Duron 600MHz 1.3GHz processor Support 200MHz/266MHz (Double Data Rate) Front Side Bus frequency processors Reserves support for future AMD processors 2600+ is the highest it will go. http://www.machspeed.com/manuals/VIPER/V266B.pdf page 3

Sep 17, 2007 | Jetway V266B Motherboard

1 Answer

CPU Upgrade


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/)

Sep 11, 2007 | Soltek SL-75FRV Motherboard

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