I only get my amd xp-m 2600+ to run at 800 Mhz ?

[influenza]

I recently bought a new Mobo, new RAM and new CPU:

Mobo: Asus A7N8X-E deluxe bios rev 1010
Ram: Kingston 1024 MB Pc3200 (KVR400X64C3AK2)
CPU: AMD XP-M 2600+

Problem is that I can't get the CPU to run at any decent speed. If I let the bios to be default the processor get's recognised as a mobile amd 800 Mhz. So it runs at 6 X 133.

Any try from my side to manually change the settings results in a crash. Tried fsb of 133, 166 and 200 with different multipliers. Result is always the same. The system hangs and I have to reset cmos by jumpering the Mobo. Strange thing is that whenever I set the fsb to 133 and multiplier to 14 it's still at 800 Mhz.

From reading other threads I see that this CPU shoulkd run on the board, but I can't get it to work. SO I would appreciate if anyone could offer any help (maybe with correct bios settings)

 

[nick1985]

reset the cmos. try again.

 

[Dman877]

Is that the latest bios you have there? Check the Asus site.

 

[BlueWeasel]

The highest multiplier you can use with that board is 12.5. Using higher multipliers than this will trick the board to using the lower mutlipliers like 6.0x.

You should be able to run at 12.5 x 190-200 FSB using a voltage of 1.65-1.75v.

 

[DesolationWilliams]

try reseating teh processor

 

[ectx]

Excellent advice.

Originally posted by: nick1985
reset the cmos. try again.

Originally posted by: BlueWeasel
The highest multiplier you can use with that board is 12.5. Using higher multipliers than this will trick the board to using the lower mutlipliers like 6.0x.

Make sure your hsf is properly installed.

Reset the cmos. Set eveything else to default, and set it to 11 x166 - you should be able to boot w/ your setup.

multiplier >12.5 -- you get back to 100x6
fsb 200 - your other component may not be able to handle it.
thus you should try 11 x 166 first, then gradually tweak the system (after resetting cmos to be safe)

 

[jhurst]

If you have the HSF turned the wrong way (commonly done among AMD builders), it will automatically boot at a lower clock speed. My brother had a 2100+ and it booted at 1500+ b/c he had the HSF installed incorrectly. Read the manual and make sure you have it seated in the proper direction (I believe there are notches on one side that match up with one side of the HSF).

If thats good, go into BIOS and set the FSB to 166, the multiplier should already be the correct one (11 I believe?).

 

[influenza]

Ok I believe I tried 11X166, but I'm gonna try one more time to be sure.
The default setting is 14X133 so if 12,5 is the highest multiplier that would explain the 6X133.

The heatsink is properly attached and working (temps somewhere in the 40 C)

The memory is pc3200 (kingston) and should be able to handle 400 Mhz. Do I have to setup anything special in that area (don't seem to be able to change timings on the mem either). The bios is the latest one available on the asus ftp (1010) and is only one or two months old.

 

[nick1985]

Originally posted by: jhurst
If you have the HSF turned the wrong way (commonly done among AMD builders), it will automatically boot at a lower clock speed. My brother had a 2100+ and it booted at 1500+ b/c he had the HSF installed incorrectly. Read the manual and make sure you have it seated in the proper direction (I believe there are notches on one side that match up with one side of the HSF).

If thats good, go into BIOS and set the FSB to 166, the multiplier should already be the correct one (11 I believe?).

how does the computer know if the HSF is installed incorrectly?






the REAL reason it booted as a 1500 is because it defaults at 100 FSB, not the 133 needed to make it a 2100.

 

[influenza]

Hmm. Well tried the 11X166 and it's a no go. After saving saving the system shuts down. The only thing that seems to be working is 6X133. I tried this on two different mobos with different memory and results are the same. On the other mobo the processor is also recognised as a 800 mhz amd mobile.

Only thing that was the same during the two tests was the video card. A rather old asus v7700 agp card. Could this be the bottleneck?

Edit: I must humbly apologise. The heatsink was not connected properly. I better go shoort someone. The heatsink didn't fit easily (had to take the psu out, to do it). Now it's connected properly and system boots fine at 11X166. Gonna try some 200 fsb now.

Thanks for all the replies!

 

[ectx]

Originally posted by: influenza
Hmm. Well tried the 11X166 and it's a no go. After saving saving the system shuts down. The only thing that seems to be working is 6X133. I tried this on two different mobos with different memory and results are the same. On the other mobo the processor is also recognised as a 800 mhz amd mobile.

Only thing that was the same during the two tests was the video card. A rather old asus v7700 agp card. Could this be the bottleneck?

Edit: I must humbly apologise. The heatsink was not connected properly. I better go shoort someone. The heatsink didn't fit easily (had to take the psu out, to do it). Now it's connected properly and system boots fine at 11X166. Gonna try some 200 fsb now.

Thanks for all the replies!

Thanks for the update. I hate it when one posts a question and never gives any update on what happened after many helpful suggestions.

Good luck. Hope you find the optimal setting for your rig soon.

 

[jhurst]

Originally posted by: nick1985

Originally posted by: jhurst
If you have the HSF turned the wrong way (commonly done among AMD builders), it will automatically boot at a lower clock speed. My brother had a 2100+ and it booted at 1500+ b/c he had the HSF installed incorrectly. Read the manual and make sure you have it seated in the proper direction (I believe there are notches on one side that match up with one side of the HSF).

If thats good, go into BIOS and set the FSB to 166, the multiplier should already be the correct one (11 I believe?).

how does the computer know if the HSF is installed incorrectly?






the REAL reason it booted as a 1500 is because it defaults at 100 FSB, not the 133 needed to make it a 2100.

You are right, I apologize...its not that it detects that, what happened is it defaulted at 1500+ like you mentioned, and booted fine. But, when we pushed the FSB up to where it was supposed to be, it wouldn't boot. So we would clear CMOS and boot it at 1500+. Turned out the HSF was on backwards, fixed it, and it would boot at 2100+. Sorry for the confusion.

 

[oldman420]

your problem is rev 1010 bios. get rid of it and flash to rev 1008 i upgraded to 1010 bios and had the same problem flashed back and now im good to go did that board ship with that bios? i know that asus has removed it from there files section so it is bad. good luck i am sure that this is your problem

 

[L00PY]

Originally posted by: nick1985

how does the computer know if the HSF is installed incorrectly?

It doesn't, but some mobos have overheat protection that will throttle back when die temps go over a certain point. This is often caused by incorrect HSF installation.

 

[influenza]

your problem is rev 1010 bios. get rid of it and flash to rev 1008 i upgraded to 1010 bios and had the same problem flashed back and now im good to go did that board ship with that bios? i know that asus has removed it from there files section so it is bad. good luck i am sure that this is your problem

Hmm Interesting. The board shipped with rev 1009. I updgraded through asuslive and this revision was still on the .tw ftp. I could downgrade if this bios is really bad. Atm I can't get it stable at 200 fsb. At 166 fsb everything is ok. Unfortunately the multiplier can only be 12,5 giving a max of 2,08 GB.

A prime95 torture test, mainly mem, test with 200 fsb errors out within a minute (rounding error). ATM I'm running a new test with 12X200 and mem at 166 mhz. This doesn't error out so far. So it looks like it's the memory (kingston pc3200), which should be able to do 200 Mhz?

 

[Killrose]

Originally posted by: influenza
[A prime95 torture test, mainly mem, test with 200 fsb errors out within a minute (rounding error). ATM I'm running a new test with 12X200 and mem at 166 mhz. This doesn't error out so far. So it looks like it's the memory (kingston pc3200), which should be able to do 200 Mhz?

What are your MEM set to in bios? it is probably rated PC3200/200MHz@ 3.0-3-3-7 or something like that for value ram. You might also have to up vcore.

 

[influenza]

I can't look atm, but those times are pretty much what I remember when setting it to by spd. Can't set them manually anyway. if I select manually then it's just changed back to optimal. Resulting in 200 Mhz. So now I've set it to 83% resulting in the 166 Mhz for the memory.

 

[ectx]

YOu should be able to set it manually. And you want to set it manually, beleive me. Equally importanly, what is the vidmm set at? 2.6? 2.7? or 2.8v?

 

[influenza]

The voltage is set at 2.7 atm. I can't set it manually. Everytime I select it the option just jumps back to optimal

 

[oldman420]

ile tell ya one more time get rid of that 1010 bios google for it im sure you will find others with similer probs just try it and see, you can always flash back

 

[influenza]

I reflashed the bios and can reach the mem timings now . What timings are advised when I want to run this CPU at 12,5x200? now it's 3-3-3-11 iirc.

 

[oldman420]

Originally posted by: influenza
I reflashed the bios and can reach the mem timings now . What timings are advised when I want to run this CPU at 12,5x200? now it's 3-3-3-11 iirc.

told ya so i am glad that fixed it i keep my timings at 2.3.3.6 with vdimm all the way up.
12.5 x 200 1.75 vcore. fsb and agp bus spread spectrum at .5 this helps stabilize things