Question about Shuttle AV49VN Motherboard

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Upgraded cpu- wont boot

I recently upgraded my shuttle av49vn motherboard from a 2.6ghz 400fsb celeron to a 2.8ghz pentium 4 with 533fsb. There is a jumper on board to change fsb speed to 533 and completed same. However the board wont boot with the new processor. Could the memory i have installed or the bios have anything to do with this? Considering the board is made for a p4 processor, i cant imagine it came with a bios not compatible.

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  • David Cates May 11, 2010

    what size and kind of power supply are you running?

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Teresa, if you changed the front side bus to 533, your memory must have the same clock speed. Memory clock speeds are what is known as "backwards compatible" but not forwards. This means that you could put a piece of memory of a clock speed of 400mhz into a system that runs at 333mhz and it will "downclock" the memory, but you could not put a piece of 333mhz memory in a 400mhz fsb pc and expect it to run. one of two things will happen, the system will not boot at all or the syetm will downclock the processor to a slower speed. In your case your cpu must be 533mhz clock speed with pc4200/533mhz memory to function correctly.
compdoctor2005@btinternet.com

Posted on Dec 13, 2008

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1 Answer

Is there a cpu upgrade for an hp pavilion 6835 with a motherboard 115561 cognac 20000731


The fastest Pentium 3 that will work in your board is a Intel Pentium III 1GHz chip. Here is a link to the specs:
http://www.cpu-world.com/CPUs/Pentium-III/Intel-Pentium%20III%201000%20-%20RB80526PY001256%20%28BX80526F1000256%29.html

You could also get a Intel Celeron 1.1 GHz but it only has half the level 2 cache size so it's actually a bit slower than the Pentium III 1GHz chip.
Here's a link to celeron specs:
http://www.cpu-world.com/CPUs/Celeron/Intel-Celeron%201100%20-%20RB80526RY005128%20%28BX80526F1100128%29.html

May 23, 2012 | Powerleap PL-NEO/T Celeron, 1.4 GHz...

1 Answer

Whats the processor support of this board


Pentium® 4 processors & Intel® Celeron® processors in 478-pin package.

it will support the following in the 478 pin package

P4 1.4ghz 400fsb speed to
P4 3.06ghz 533fsb speed

Celeron 1.7ghz 400fsb speed to
Celeron 2.8ghz 400fsb speed

Nov 23, 2010 | Intel 845GEBV2 Motherboard

1 Answer

Dell inspiron b130 1.5ghz celeron m 400fsb, what are cpu upgrade options (celeron & pentium) and is 533fsb an option on this mainboard?


Go to the dell site. you can go to the upgrades page and enter your service tag or let dell scan your computer. It will give you a list of upgrade options.

Sep 28, 2009 | Dell Inspiron B130 Notebook

2 Answers

I want to upgrade my hpdv1000 pentium M processor whats the maximum upgrade allowed for this? i have upgraded it to 2gb ram from 512mb and 250gb hd from 60gb and its doin fine.


You should be able to upgrade the CPU, since it seems that the DV1000's motherboard uses a socket CPU design. But, obviously, HP would rather have you choose the CPU that you want from the beginning and stick with it.
The first thing to do is to check HP website to see what other configurations were/are sold for your model. If they sell it with faster CPUs then you can upgrade to one of them...

PLEASE NOTE:
In order for a particular processor to be compatible with a particular laptop:
(1) the processor must be physically compatible with the laptop socket, in your case I thing you have a Soket 479 processor
(2) the laptop chipset must support the processor.
(3) the chipset front side bus speed must match the processor front side bus speed, in your case 400Mhz.
(4) the laptop BIOS must support the processor.

So I listed here processors with FSB at 400Mhz, I gues that DV1000 as a 855GM Motherboard that supports only 400Mhz with Socket 479

Pentium M

Banias
Pentium M 1.3 1300 1024 400
Pentium M 1.4 1400 1024 400
Pentium M 1.5 1500 1024 400
Pentium M 1.6 1600 1024 400
Pentium M 1.7 1700 1024 400

Dothan
Pentium M 710 1400 2048 400
Pentium M 715 1500 2048 400
Pentium M 725 1600 2048 400
Pentium M 735 1700 2048 400
Pentium M 745 1800 2048 400
Pentium M 755 2000 2048 400
Pentium M 765 2100 2048 400

Celeron M

Banias-512
Celeron M 310 1200 512 400
Celeron M 320 1300 512 400
Celeron M 330 1400 512 400
Celeron M 340 1500 512 400

Dothan-512
Celeron 205 1200 512 400

Dothan-1024
Celeron M 350 1300 1024 400
Celeron M 360 1400 1024 400
Celeron M 370 1500 1024 400
Celeron M 380 1600 1024 400
Celeron M 390 1700 1024 400

Best Regards

Jun 23, 2009 | HP Pavilion dv1000 Notebook

1 Answer

Pentium 4 3.4 GHz S478 800 FSB cpu compatibility?


motherboard does not support this UPGRADE of processor, Regards

Apr 08, 2009 | Computers & Internet

1 Answer

Upgrading laptop CPU


Yes. Your motherboard only supports cpu's with a FSB of 400mhz. If you want to upgrade you would need a compatible cpu running 400mhz FSB. Hope this helps.

Dec 24, 2008 | Toshiba Pentium M, 1.5 GHz 715...

2 Answers

Toshiba Satellite M45-S169 CPU Upgrade


the chipset will support pentium M processors and some pentium 4 notebook processors. the bios should recognize the processor's new speed and should be able to support a 533mhz fsb. as long as your celeron is not soldered to the socket, you should be fine with the upgrade.

Dec 24, 2008 | Toshiba Satellite M45-S169 Notebook

1 Answer

Cpu upgrade wont happen


Ok i checked the ASUS website and looked up the CPU compatibility list for your board here:
http://support.asus.com/cpusupport/cpusupport.aspx?SLanguage=en-us

But unfortunately that particular CPU doesn’t seem to be supported. Must be something to do with the technology inside the CPU or the amount of L2 cache or something like that. (it would require some rather intensive research to find out exact reason why...

And when searching for ASUS motherboards that are compatible with that CPU it comes up with this short list;

AP120-E1
AP130-E1

PSCHL009
AP140R-E1
P4RD1-MX


Did you clear the cmos when installing the new cpu before powering it up?

i know the CPU you have now runs at 400FSB and the new one runs at 800FSB But that board supports both speeds so that shouldn’t be a problem.

What type of RAM do you have ?
maybe check owners manual for memory compatibility chart for new 800FSB CPU

Have you tried the latest beta bios from ASUS site :
I can not guarantee that it will work but it is worth a try.
http://support.asus.com/download/download.aspx?model=P4S800D-X%20&f_type=34&SLanguage=en-us
NOTE: Updating the bios can be risky and should only be done to resolve compatibility issues or things like that (or to add CPU support) In the rare event of a power failure during bios update your motherboard could become permanently unusable. (Always use a brand new floppy and follow the instructions to the letter when updating system bios)

Nov 22, 2008 | ASUS P4S800D-X Motherboard

1 Answer

Gateway MX3215


that processor should work fine

Nov 13, 2008 | Gateway MT3705 Notebook

1 Answer

P4 2.66GHz 533FSB Problem on Gigabyte GA-8ID533


well if the board support till 400FSb then the 533FSb CPU will not work with the board did you check the website and he board manual that says it support upto 533 bus?

Nov 08, 2008 | Gigabyte GA-8ID533 Motherboard

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