Upgraded CPU, now PC will not boot

[TyrantCS]

First, system specs..

OLD CPU - AMD 1700xp Palomino
NEW CPU - AMD 2200xp Thoroughbred
MSI MS-6390 PCB1.00 (Bios W6390VMS v1.2 041202)
ATI Radion 9700
512 DDR Kingston value ram (1 stick)
Windows ME (all updates)

http://www.msi.com.tw/program/produc...ail.php?UID=80

http://www.msi.com.tw/program/produc...ail.php?UID=80

Hello everyone, Please excuse this very long post, but I need some help.

I recently decided to upgrade my wife's CPU in her PC.

I did some research and found that her motherboard (an MSI-6390) could support up to an AMDxp 2200+ Thoroughbred.

I purchased an AMDxp 2200+ Thoroughbred on-line and recieved it today.

I had updated her BIOS about a year ago and figured I didnt need to do so again for the CPU upgrade.

I then took out the old CPU and heat sink and installed the new CPU and heatsink.

Upon boot, the CPU would display as "Unknown processor" and then the PC would lock up. I was unable to get to CMOS as the PC would lock up everytime I hit the delete key to bring up setup.

I figured I needed to update the BIOS for the new CPU so I decided to put the old CPU back in.

I applied new thermal paste and re-installed the old CPU and heatsink.

The following happens with the OLD, formally working fine CPU:

If I leave the PC off for a long time and turn it on, the fans all fire up but the monitor remains blank.

If I continually reset and/or power off the PC, it will eventually begin to boot, detect the CPU, test memory, detect drives etc. It will sometimes make it to the Windows splash screen, but eventually the PC will lock up somewhere between powerup and the Windows splash screen.

I have been unable to get into CMOS because the PC will lock up everytime I attempt to enter CMOS.

I have tried the following:

Checked heatsink for proper seating.
Result, appears to be properly seated. Can feel the heat sink begin to radiate heat very soon after power is applied.

Replaced powersupply
Result: No change

Unplug all power except main board power and CPU
Result: No change

Boot from floppy
Result: No change. PC will occasionally boot to display the A:\ prompt but will lock up at A:\_ with a blinking cursor.

Reset CMOS via jumper and removing battery
Result: No change. Will sometimes get and error "CMOS checksum error - now loading defaults" but will eventually lock up and have been unable to access CMOS.

Lower FSB to 100mhz from 133mhz
Result PC will attempt to boot, displaying processor speed and test memory with much greater consistency but will lock up shortly thereafter.

The motherboard has no jumpers exept for resetting the CMOS and changing FSB speed.

What have I done? Destroyed both CPU's, the motherboard? Corrupted the CMOS? I know one thing for sure... made my wife unhappy.

Any help would be greatly appreciated.

[John Prophet]

are you sure its a thoroughbred and NOT a thorton? I see on the cpu list that a thorton wont work.

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I am thinking on the old one that you just dont have the heatsink on correctly.....take it all the way off and make double sure it is on good.

[TyrantCS]

Thanks for the reply..

Yes, the new CPU is Thoroughbred. However, I'm not even TRYING to use the new one at the moment.

I was attempting to get the PC running using the OLD CPU so I could update the BIOS to support the new CPU.

The PC was running fine prior to switching out the CPU's but will not boot properly even when using the old CPU.

[TyrantCS]

Didnt see the second part of your response, thought it was a signature hehe..

I'm pretty sure the heatsink is on good

It looks nice and flat with the CPU, its not on backwards or anthing.. I can feel the heat being drawn into the the heatsink, so I know its making contact with the CPU.

[TyrantCS]

Upon reviewing the new CPU, it may indeed be Thorton or Barton, tho it was advertised as Thouroghbred.

The 3 chips look exactly the same
http://www.msi.com.tw/program/produc...php?UID=amdcpu

The new CPU actually looks just like the duron in the above link. The model number is:
AMD Athlon
AXDA2200DUV3C Z384355L30614
AIXIB0352SPMW 1999 AMD

[John Prophet]

oops, I had posted that it was a thorton till I looked again..Its a thoroughbred

AXDA2200DUV3C = 1800MHz Tbred (Model 8) 266FSB (133.3 x 13.5), 256K cache, 1.6V, 85șC Max Die Temp

from this chart http://www.thetechboard.com/tutorials/athlon_xp.php scroll down to 2200+

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do you have another machine in which you can try the old cpu to see if it boots all the way??

[Kuasimodem]

According to what I could find online, you have an XP2200 Tbred B going by the model and stepping.

As to your other problem, have you tried unplugging and reseating everything on the motherboard? You may have bumped something like the RAM or video card just enough to cause the instability.

[TyrantCS]

Thanks for all the replies guys...

I have only the CPU, video card and ram in the motherboard. I have reseated the video card and the ram.

It has been a very long time since I have replaced a processor. I followed the instructions about the thermal paste etc. Am I applying it wrong? I was applying it to the heatsink, where the old thermal paste was, I just tried applying it directy to the CPU with the same result.

I noticed that whoever installed the original CPU/Heatsink used a LOT of thermal paste, so much so that almost half of the heatsink had thermal paste on the bottom.

[John Prophet]

ahhhhhhhhhhhh


clean it all off good....you have it too thick, its not seating right.

get it all clean..the cpu and the heatsink.

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then..put one small "dot" of thermal paste on the cpu...not the heatsink.

It takes less than you think....the pressure will spread it out etc.



then try it again


go here and look at the videos for more guidance http://tinyurl.com/2gblv

JP

uhh, but it still doesnt explain why the new one wont boot etc...unless you didnt get the grease on it correctly also....or if it needs a bios flash....which you can do once u get the old one running again.

[TyrantCS]

Ok, gave that a try, cleaned off the heatsink and CPU, applied a small amount of paste to the CPU, installed the heatsink.. but.. no boot.

Just a black screen of death.

If I was having a heat issue, would my heatsink heat up? I can feel it warming in less than a minute of the PC being on, wouldnt that indicate that my heatsink is installed correctly?