Dothan @ CT-479 - howto and fixes.

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03-11-2006, 04:13 PM
hmsrolst

Quote:

Originally Posted by ex.treme

So i must set 201 to activate agp/pci lock?
I have Radeon 9600, with 175x15 i dont know exactly, was a minute and default v core.
I have not time testing. Tomorow i try another setups'.
thx

2625 (175x15) is pretty high with default voltage. Try 201x10 or 133x15.
03-11-2006, 05:03 PM
malfunction!

Quote:

Originally Posted by mirage

Hi Everyone,

I used a lot of information in this long thread for my system, which is not a common combination here. Pentium-M 705 (Banias 1.5G@400M FSB) + CT-479 + P4P800-VM. So, although it may not be interesting to the Dothan users here, I thought it is worthwhile to add my experience.

You might ask why Banias when the latest and greatest is Dothan (or Core Duo actually). Because I found a $50 deal at mwave several weeks ago. Then, I needed a MB to build a Media Center PC, and there came P4P800-VM(newegg refurb) and CT-479 (zipzoomfly). I also bought a MATX Athenatech case with 180W power supply. I started with setting the FSB at 533 MHz on CT-479. Used the default heatsink of CT-479 with Arctic Silver 5. When the system first posted, it reported FSB as 400 MHz on the screen and in the BIOS. There was no indication that the FSB was 533 MHz. I tried the u-wire trick to set the FID to 533 but the post screen and BIOS did not indicate any success. So I removed the u-wire and left the 533 MHZ setting on the CT-479 adapter, and continued with installing the OS. After Windows XP installation was completed, to my surprise, I was greeted with a 2GHz Pentium-M running at 533 MHz FSB. Apparently, BIOS was only reporting the processor specs not the actual applied frequency. That was good news, I was happy but not for long. The stability tests using Prime95 were failing after several minutes and it was not a CPU heating problem or related to memory. I had to increase the vcore but BIOS VID change had no effect and the software I used, namely EIST and RMClock was also not effective in increasing the voltage (though they can decrease the voltage). So, for the second time, I used u-wire, this time for VID mod. The default voltage of this Banias is 1.484v, using P1, p2, p3 pins high. The best option seemed as setting p3 low to achieve 1.612v. After booting with the new VID (1.612v) I saw in CPUZ that the actual voltage was 1.58v and everything was stable in this case. Also, the CPU temperature under load was not exceeding 56C.

I tested to go higher than 2 GHz (using Clockgen) but it was not stable beyond 2.1GHz. I have settled at 2GHz with a safety limit and in the final configuration I used 166MHz DDR frequency (single channel) which was slightly faster than 133MHz (1:1). And finally, the SuperPI 1M is 49.5 seconds. By using RMClock I was also able to activate Speedstep, it worked perfectly by scaling the system between 800MHz(6x133)@1v and 2GHz(15x133)@1.58v depending on the workload.

Please let me know if I can supply any further information or I am not aware of something that can increase my overclock. I will eventually use dual channel when I can buy the other stick.

Cheers and thanks to everyone for all the information I found here.:toast:

Summary:
Pentium-M 705 (Banias 1.5G@400M FSB)
overclocked to 2.0G@533M FSB using jumpers on CT-479
u-wire VID mod P3 high->low, 1.484v->1.612v (motherboard supply 1.58v)
P4P800-VM 1017 BIOS
CT-479 adapter set at 533MHz
Activate Speedstep using RMClock
single channel 512MB @DDR333
SuperPI-1M : 49.5 seconds

I think you're fairly lucky to get 2.0Ghz stable - though having said that for a Pentium M your vcore is quite high. I have a P-M (banias) 1.3GHz that will happily work at 10 x 180 and will last a very short while at 9 x 200... I've had 4 1.3GHz Banias Pentium Ms pass through my hands as well as 4 x various speed Banias Celeron Ms (1.2 - 1.5 GHz) and all of them but 1 chip have topped out at ~ 1.8GHz (the other did 2.0GHz OK for ~ 2 hours in prime 95)... The Dothan based Celeron chips I've used are better but bizarely enough - because of the RAM/FSB ratios available I can actually get a higher FSB clock on my i855 board than on various CT479/i865 combos I've tried. Next step - unless a Yonah board shows up *soon* - would be to order a P4GPL-X mobo ASAP before *everywhere* runs out of them...
03-11-2006, 05:10 PM
malfunction!

Quote:

Originally Posted by ex.treme

So i must set 201 to activate agp/pci lock?
I have Radeon 9600, with 175x15 i dont know exactly, was a minute and default v core.
I have not time testing. Tomorow i try another setups'.
thx

What RAM ratio / speed are you selecting in the BIOS? Like the CPU speed actual vs default speed display issues in the BIOS the Asus boards I've used show 266/333/400 as RAM speeds but these are actually ratios... Unless you can boot @ 400Mhz FSB you won't get the RAM @ 1:1 and that will limit your overclock a lot unless you have some *good* DDR...
03-11-2006, 09:45 PM
ex.treme

fsb 133-ddr 266
I look, that pci/agp lock dont working. At bios is setup 33/66. But at 200 fsb with set fsb or clockgen is is 100/50 . How i can fixed it?
03-12-2006, 01:52 AM
hmsrolst

Quote:

Originally Posted by ex.treme

fsb 133-ddr 266
I look, that pci/agp lock dont working. At bios is setup 33/66. But at 200 fsb with set fsb or clockgen is is 100/50 . How i can fixed it?

Have you tried setting all of these in the BIOS--201x10, 33/66 and DRAM FREQ to AUTO?
03-12-2006, 08:37 AM
ex.treme

No, at win -my fault. At bios is working ok. 201x10 stable.
One question- blue scren with "MACHINE_CHECK_EXCEPTION" is cpu or Win need reinstall? At prime load 60`C.
03-12-2006, 09:15 PM
elyrly

why are your guys temp so low? are you ducting in cold air and do you guys keep the cpu at 2.8ghz or around?

i have mine at 1.73ghz now but plan on overclocking when it gets a bit colder here./
03-14-2006, 01:10 PM
Rapidone

Quote:

Originally Posted by elyrly

why are your guys temp so low? are you ducting in cold air and do you guys keep the cpu at 2.8ghz or around?

i have mine at 1.73ghz now but plan on overclocking when it gets a bit colder here./

Alot of the people with the big clock speeds and low temperatures are using water and exotic cooling.

PS, I'd also like to add that I've ordered a 730 chip and adapter for use with a P4C800-E Deluxe, and will be mounting a Zalman 7000AlCu cooler to it. Hopefully I'll post up my overclock results in a couple of days.

Thanks for this thread everyone, it's been quite a good read. :)
03-15-2006, 01:44 PM
Rapidone

I've installed the 730 and adapter with stock heatsink and old Arctic silver 2. Then booted into Windows with fsb @ 201 in bios.

Pack date 03/31/2005, Batch 7510A695, JSL86G Philippines

Everything seems to be working fine 32sec for 1M SuperPi. The temperature is 52C idle, 54C load using SysTool stress test.

I'm reluctant to try the chip any faster because I'm not sure how hot these chips are supposed to run. Surely not 100C

Since there is only a 2C between idle and load, is there any point using a Zalman 7000AlCu on this chip? Is there anything to be gained?
03-15-2006, 01:58 PM
hmsrolst

Quote:

Originally Posted by Rapidone

'm reluctant to try the chip any faster because I'm not sure how hot these chips are supposed to run. Surely not 100C

Since there is only a 2C between idle and load, is there any point using a Zalman 7000AlCu on this chip? Is there anything to be gained?

From my experience with a number of these chips (730, 750, 760), running at the speeds you are with a Zalman 7000 results in load temps in the 40-45 range. (Of course, ambient is a factor also.) You shouldn't have a problem taking the 730 to higher speeds. At some point, you'll find its limits, but I'd be really surprised if it overheated.
03-15-2006, 04:20 PM
TL1000S

Quote:

Originally Posted by Rapidone

Since there is only a 2C between idle and load, is there any point using a Zalman 7000AlCu on this chip? Is there anything to be gained?

Are you sure this is CPU temp?
I've had "a few" Dothan chips and they show quite a difference between idle and load.. ecpecially with original cooler.

All my i865/i875 boards (5) shows pretty much same temps.. only 2 P4GPL-X show a bit on the "high side".. but the boards shows about 15-20 degrees difference between idle and full laod (20-30min prime -small FFT's - at least)

52c idle seems way to high. even my P4GPL-X with u-wire (1.55-1.6 Vcore) shows about 42-45 idle.. at worst (with Zalman CSP7000AlCu). Here full load temp is about 20 degrees higher... but I use eist to reduce VCore to 1.5 as my 740M do not respond any higher.. This keep load temp below 60.

My 710M idles at 25, full load at 33-35 (VCore 1.375).. in a P4C800-E dlx.
03-16-2006, 12:04 AM
pvhk

Quote:

Originally Posted by Rapidone

I've installed the 730 and adapter with stock heatsink and old Arctic silver 2. Then booted into Windows with fsb @ 201 in bios.

Pack date 03/31/2005, Batch 7510A695, JSL86G Philippines

Everything seems to be working fine 32sec for 1M SuperPi. The temperature is 52C idle, 54C load using SysTool stress test.

I'm reluctant to try the chip any faster because I'm not sure how hot these chips are supposed to run. Surely not 100C

Since there is only a 2C between idle and load, is there any point using a Zalman 7000AlCu on this chip? Is there anything to be gained?

I had the same value temp when using stock cooler. but when i switch to 7000Cu: idle is now at 38°C, full load 45°C(725@2400)
03-16-2006, 11:39 AM
ex.treme

My temp was 61 at Prime 95 with stock cooler. I change fan ( put 92 mm TT )
and temps are 56 at Load.
03-16-2006, 11:41 AM
Rapidone

Quote:

Originally Posted by hmsrolst

From my experience with a number of these chips (730, 750, 760), running at the speeds you are with a Zalman 7000 results in load temps in the 40-45 range. (Of course, ambient is a factor also.) You shouldn't have a problem taking the 730 to higher speeds. At some point, you'll find its limits, but I'd be really surprised if it overheated.

Well you were correct about the overheating not being a problem, this chip won't go beyond 209fsb and the temperature isn't noticably higher. I booted at 201 and then used systool to go to 212 when a reboot occured. I then tried 210 and got BSOD. No errors at 209 so far. Also tried booting at 205 but still get reboot at 212.

I'd have liked some more, but anthing over 200 is fine.

Quote:

Originally Posted by TL1000S

Are you sure this is CPU temp?
I've had "a few" Dothan chips and they show quite a difference between idle and load.. ecpecially with original cooler.

52c idle seems way to high. even my P4GPL-X with u-wire (1.55-1.6 Vcore) shows about 42-45 idle.. at worst (with Zalman CSP7000AlCu). Here full load temp is about 20 degrees higher...

My 710M idles at 25, full load at 33-35 (VCore 1.375).. in a P4C800-E dlx.

The temperatures are showing between 51C and 55C now (EDIT: but only when GPU is pushing heat into the case)

Yes I sure, I setup using my old P4 2.8 first, which showed more normal cpu temperature variation on the same sensor.

Maybe the arctic silver 2 is past it's best, I've had it for years. Or perhaps the heatsink mounting could be better.

Quote:

Originally Posted by pvhk

I had the same value temp when using stock cooler. but when i switch to 7000Cu: idle is now at 38°C, full load 45°C(725@2400)

Thanks for that. After reading the horror stories about chipping the core, I was hoping to avoid using the 7000AlCu. I've read the german links about mounting the 7000, and have flipped the center bracket, and now have some 30mm bolts. I just need convicing that it's actually neccessary to use it.

If the temperatures drop by say 8C is there an effect on the max overclock?
03-16-2006, 10:32 PM
elyrly

you wouldn't chip your cpu, i have a 7000cu on it now and it works fine,
03-17-2006, 07:02 AM
Marlowe

Hi! I think my P4C800E-Deluxe has gone fubar on me so I'm looking for a replacement.. Not sure if I wanna exchange my graphics card just yet, so I'm thinking another agp board.. Looks like the P4C series have dissapeared from the shops, so I'm thinking about a P4P800 SE.

Is this an okey board from your experience? I have my 740 at some place over 2,8 GHz 24/7 on my P4C, can I achieve this on a P4P800 SE also?

And lastly: Is the the P4P800 SE also called P4P800 GD? Looks like they are listed as the same?

I really don't want to make a bad purchase :)
03-18-2006, 06:31 AM
Rapidone

Ok, this is my final coment on this chip and thread unless someone has questions.

Mounting the 7000AlCu was much easier than expected. Temperatures dropped by 11 or 12C, and fsb achieved was 2 higher. Raising the voltage gave no fsb gains at all, only higher temperatures. I would have suspected problems with other components, but they run fine at 225fsb with an old P4 2.8GHz.

Best SuperPI 1M of 29 seconds.

I'm going to leave the fsb @ 208 x 12, turn down the voltage and fan speed and go play some games.

Once again, nice thread and thanks for the help.:)
03-23-2006, 03:13 AM
JudgeC

Quote:

Originally Posted by Rapidone

Ok, this is my final coment on this chip and thread unless someone has questions.

Mounting the 7000AlCu was much easier than expected. Temperatures dropped by 11 or 12C, and fsb achieved was 2 higher. Raising the voltage gave no fsb gains at all, only higher temperatures. I would have suspected problems with other components, but they run fine at 225fsb with an old P4 2.8GHz.

Best SuperPI 1M of 29 seconds.

I'm going to leave the fsb @ 208 x 12, turn down the voltage and fan speed and go play some games.

Once again, nice thread and thanks for the help.:)

Hi, I have just got myself a 7000AlCu and from what I have managed to find out, fitting it is simply a case of mounting the clips upside down.

Is there anything else I need to know about or do, before attempting this.

Any help would be appreciated, cheers.

JudgeC
03-23-2006, 03:31 AM
jrw

Quote:

Originally Posted by JudgeC

Hi, I have just got myself a 7000AlCu and from what I have managed to find out, fitting it is simply a case of mounting the clips upside down.

Is there anything else I need to know about or do, before attempting this.

Any help would be appreciated, cheers.

JudgeC

Just be careful and take it easy. Do a prelimenary mount, enter BIOS and check temps, fasten mount a bit, check temps and so on...

That way, you dont crush the core for no reason :toast:
03-23-2006, 03:41 AM
Movieman

I've got a Dothan 770 on a P4P800 SE with the zalman 7000( all copper)
Yes, turn the clips upside down and use some screws from an old fan mounted on a heatsink. You know the type, where they just thread into the heatsink itself like on an old AMD socket A or an old P3.
Here's a great page to save, translated from the orginal German:
http://translate.google.com/translat...language_tools
I get 28C at idle and 38C at 100% load at 2587mhz so far. Mods needed to go higher. Remember, do NOT crank down those screws or you WILL crack the core. This is a time for good light and patience.
Tighten one side a little then the other until it is snug and the HS doesn't move. Patience and the end result is worth the time.
I should add: The screw placement, will save you some time, one side will be in the outer hole and the other will be in the inner hole to line up properly. The picture just shows one side I beleive. Good Luck!
03-23-2006, 03:49 AM
JudgeC

Quote:

Originally Posted by jrw

Just be careful and take it easy. Do a prelimenary mount, enter BIOS and check temps, fasten mount a bit, check temps and so on...

That way, you dont crush the core for no reason :toast:

Sounds like good advice, I don't want to crush this new 750.
I am hoping that when I get the Zalman on it, I can get it to 2700Mhz or a little higher. I can't quite get there on the stock cooler, although I was careful not to put too much voltage through it.

My old 740 hits a wall at 2540Mhz (On stock cooler), so its got to be an improvement over that.

Cheers

JudgeC
03-23-2006, 03:51 AM
JudgeC

Quote:

Originally Posted by Movieman

I've got a Dothan 770 on a P4P800 SE with the zalman 7000( all copper)
Yes, turn the clips upside down and use some screws from an old fan mounted on a heatsink. You know the type, where they just thread into the heatsink itself like on an old AMD socket A or an old P3.
Here's a great page to save, translated from the orginal German:
http://translate.google.com/translat...language_tools
I get 28C at idle and 38C at 100% load at 2587mhz so far. Mods needed to go higher. Remember, do NOT crank down those screws or you WILL crack the core. This is a time for good light and patience.
Tighten one side a little then the other until it is snug and the HS doesn't move. Patience and the end result is worth the time.
I should add: The screw placement, will save you some time, one side will be in the outer hole and the other will be in the inner hole to line up properly. The picture just shows one side I beleive. Good Luck!

Some very useful information, Thanks.
03-23-2006, 09:48 AM
ex.treme

I see that is not important Zalman or other Cu coolers. I have stock cooler with 760 and does 2600@1.475v. I was trying some Cu heatsink for Piv and got only 30-50 mhz over.
Only thing i was changed is fan with 92mmTT. Since is trully "Incredibly quiet desktop" .
03-23-2006, 09:55 AM
Movieman

Mind if I ask what your idle and load temps are?
03-23-2006, 09:56 AM
jrw

Quote:

Originally Posted by ex.treme

I see that is not important Zalman or other Cu coolers. I have stock cooler with 760 and does 2600@1.475v. I was trying some Cu heatsink for Piv and got only 30-50 mhz over.
Only thing i was changed is fan with 92mmTT. Since is trully "Incredibly quiet desktop" .

I benched my 730 @ 1.6vcore with 7700Cu.

You need to feed it more juice to see a significant increase :)

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