AMD XP Mobile overclocking - Page 2

Sidney · 2nd March 2005, 16:17

http://service.futuremark.com/compare?2k1=8457701

Just ran this for you.

187(V)URD@ · 2nd March 2005, 17:07

thx for the help but i am sure my board is killing me :|.

voltage fluctuates 0.1V between idle-load and my max stable fsb dropped to 225mhz.
So my current board is absolut shite compared to my previous abit (245mhz and good stable vcore where i could relay on) :|.

Hard overclocking like this but i am sure my cpu can do much more, need to find a descent board.

Anyone sells a good board ?

2nd March 2005, 17:10

I haven't been followed nf7-s for a while but last I used were some Merlin biosses, good for oc'ing but nothing more and TicTac's d26 mantarays xt or something wich was much more stable then any of the merlin biosses I tried but also a tad slower. overall, best bios of all the ones I checked out though...

maybe this can help you with the drooping...

Sidney · 2nd March 2005, 17:24

Switching PSU may help; in my case a high vcore drop with one PSU might be different when another PSU is used. Not in one instance but over half a dozen cases ..... it may have to do with ripple effect or how "clean" the current is.

Also, I upped the 5 volt to 5.4 and 12 volt to 12.4. It helps flattening the vcore from moving too much. Does your PSU have trim pots?

187(V)URD@ · 2nd March 2005, 17:30

no they don't have trim pots.

But I used this psu also with my amd xp 2500+ M and when i benched with 2.1Vcore It did drop to 2.095Vcore so in my case it isn't a psu problem, more like a mobo prob.

all my voltlines are stable in idle and load.

5=5.13V
12v = 11.98 - 12.1V

187(V)URD@ · 2nd March 2005, 18:10

Flashed a new bios and did a sisoftbench.
240*11

its certainly a vcore problem since the temps were 36°C.

I could mod it but that killed my prvious board when i checked my voltage with a mulitmeter.
And since this is just a regular backup board from my dad I don't wanna **** it up for benching.

Sidney · 2nd March 2005, 19:46

Higher than specs Mobo MOSFET + low specs PSU = Okay

At specs Mobo MOSFET + high specs PSU = Okay

Low specs Mobo MOSFET + high specs PSU = Okay

Low specs Mobo MOSFET + at specs PSU = NOT Okay

High spec Mobo + high spec PSU + high spec memory + high specs CPU + high specs Vcard + high specs NB/SB = God Bless you

It is the world of "combinations"; the system is as good as the weakest link. A good "boss" likely will tie "things" together and makes it look easy.

The boss is the CPU.

Like I said before my P4 2A only needs 1.675 vcore to run at 3.4Ghz. It does not even dissipate much heat despite the clock speed.

You might have a higher spec mobo before. Regardless, the higher the voltage than what is spec'ed the lower the life expectancy; this rule applies to all electronics and electrical components.

Hence, I don't care whether the system is air-cool, water-cool or vapor chilled, unless voltage input is within +/-10% of spec, the system will not last for long. Otherwise, we are all "scientist".

We are tweakers who want to exploit a bit more than what we paid for at the mercy of current technolgy could bring us compounded by manufacturing cost/profit and other limitations.

The guy "windwithme" is sorting CPU for hobby

which is not bad because if you could RMA those non-performers, it saves on fancy cooling and headache associated with.

2nd March 2005, 16:17	#11
Sidney Member Join Date: Mar 2004 Posts: 15,738	http://service.futuremark.com/compare?2k1=8457701 Just ran this for you. __________________ lazyman Opteron 165 (2) @2.85 1.42 vcore AMD Stock HSF + Chill Vent II

2nd March 2005, 17:07	#12
187(V)URD@ Member Join Date: Jan 2004 Posts: 923	thx for the help but i am sure my board is killing me :\|. voltage fluctuates 0.1V between idle-load and my max stable fsb dropped to 225mhz. So my current board is absolut shite compared to my previous abit (245mhz and good stable vcore where i could relay on) :\|. Hard overclocking like this but i am sure my cpu can do much more, need to find a descent board. Anyone sells a good board ? __________________ AMD Opteron 146@3ghz H2O Storm \| DFI NF4 Ultra-D \| 2512MB Gskill LE \| X800GTO²@X850XT-PE \| 2250GB Hitachi \| Modded Aopen H600B\| Seasonic 600W \| MX510@450HZ \| 19\" TFT BenQ 937s+ \|3DMARK2001 AMD XP2400+@2600+ \| Epox 8rda+ \| 2*256 Twinmos BH5 \| Club3D 9600Pro \| Maxtor 80GB + 200GB \| server + moviestation \|

2nd March 2005, 17:24	#14
Sidney Member Join Date: Mar 2004 Posts: 15,738	Switching PSU may help; in my case a high vcore drop with one PSU might be different when another PSU is used. Not in one instance but over half a dozen cases ..... it may have to do with ripple effect or how "clean" the current is. Also, I upped the 5 volt to 5.4 and 12 volt to 12.4. It helps flattening the vcore from moving too much. Does your PSU have trim pots? __________________ lazyman Opteron 165 (2) @2.85 1.42 vcore AMD Stock HSF + Chill Vent II

2nd March 2005, 17:30	#15
187(V)URD@ Member Join Date: Jan 2004 Posts: 923	no they don't have trim pots. But I used this psu also with my amd xp 2500+ M and when i benched with 2.1Vcore It did drop to 2.095Vcore so in my case it isn't a psu problem, more like a mobo prob. all my voltlines are stable in idle and load. 5=5.13V 12v = 11.98 - 12.1V __________________ AMD Opteron 146@3ghz H2O Storm \| DFI NF4 Ultra-D \| 2512MB Gskill LE \| X800GTO²@X850XT-PE \| 2250GB Hitachi \| Modded Aopen H600B\| Seasonic 600W \| MX510@450HZ \| 19\" TFT BenQ 937s+ \|3DMARK2001 AMD XP2400+@2600+ \| Epox 8rda+ \| 2*256 Twinmos BH5 \| Club3D 9600Pro \| Maxtor 80GB + 200GB \| server + moviestation \|

2nd March 2005, 18:10	#16
187(V)URD@ Member Join Date: Jan 2004 Posts: 923	Flashed a new bios and did a sisoftbench. 24011 its certainly a vcore problem since the temps were 36°C. I could mod it but that killed my prvious board when i checked my voltage with a mulitmeter. And since this is just a regular backup board from my dad I don't wanna *** it up for benching. __________________ AMD Opteron 146@3ghz H2O Storm \| DFI NF4 Ultra-D \| 2512MB Gskill LE \| X800GTO²@X850XT-PE \| 2250GB Hitachi \| Modded Aopen H600B\| Seasonic 600W \| MX510@450HZ \| 19\" TFT BenQ 937s+ \|3DMARK2001 AMD XP2400+@2600+ \| Epox 8rda+ \| 2*256 Twinmos BH5 \| Club3D 9600Pro \| Maxtor 80GB + 200GB \| server + moviestation \|

2nd March 2005, 17:10	#13
kristos Posts: n/a	I haven't been followed nf7-s for a while but last I used were some Merlin biosses, good for oc'ing but nothing more and TicTac's d26 mantarays xt or something wich was much more stable then any of the merlin biosses I tried but also a tad slower. overall, best bios of all the ones I checked out though... maybe this can help you with the drooping...

2nd March 2005, 19:46	#17
Sidney Member Join Date: Mar 2004 Posts: 15,738	Higher than specs Mobo MOSFET + low specs PSU = Okay At specs Mobo MOSFET + high specs PSU = Okay Low specs Mobo MOSFET + high specs PSU = Okay Low specs Mobo MOSFET + at specs PSU = NOT Okay High spec Mobo + high spec PSU + high spec memory + high specs CPU + high specs Vcard + high specs NB/SB = God Bless you It is the world of "combinations"; the system is as good as the weakest link. A good "boss" likely will tie "things" together and makes it look easy. The boss is the CPU. Like I said before my P4 2A only needs 1.675 vcore to run at 3.4Ghz. It does not even dissipate much heat despite the clock speed. You might have a higher spec mobo before. Regardless, the higher the voltage than what is spec'ed the lower the life expectancy; this rule applies to all electronics and electrical components. Hence, I don't care whether the system is air-cool, water-cool or vapor chilled, unless voltage input is within +/-10% of spec, the system will not last for long. Otherwise, we are all "scientist". We are tweakers who want to exploit a bit more than what we paid for at the mercy of current technolgy could bring us compounded by manufacturing cost/profit and other limitations. The guy "windwithme" is sorting CPU for hobby which is not bad because if you could RMA those non-performers, it saves on fancy cooling and headache associated with. __________________ lazyman Opteron 165 (2) @2.85 1.42 vcore AMD Stock HSF + Chill Vent II

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