Dothan @ CT-479 - howto and fixes.

Heh heh... I joined up here so I could post in this thread. Awesome work guys! Now my question. I have a P4P800 Deluxe (very cheaply procured) and a celeron M 350 (Even cheaper!), so I could flash it with the beta bios for the P4P800 and get support for the ct-479 and retain all features of the board. Now if I flash to the P4P800-E bios I will get vcore agp/pci lock and cpu vid adjustment, but will I loose any board features like raid or lan? I guess I would really like to know what the best bios would be for this board then. Thanks all you Xtreme GODS :D

Another step reached with my new 730: 1.6@2.6
http://img145.imageshack.us/img145/6738/26000rl.th.jpg

Guys i think this has to be the easiest way, you need a TDX with a spacer ( like on the 775 Blocks) but with a 478 top.This lifts the top away from the power connectors and the jumpers. I spoke with Rokk over at DD and they should be able to cater for blocks on a special order, so just pop them an email first.The bars have to be bent...you could just bend 2 and push the others straight thru the mounting cage but i bent all 4...just remember to heat them up first so they don't crack and break. The whole bending process took me 5 mins and i cooled them under a running tap.

The pics should help you get a good idea of what i did, no modding of the card is required.

http://www.xtremesystems.org/forums/...id=33383&stc=1
http://www.xtremesystems.org/forums/...id=33384&stc=1
http://www.xtremesystems.org/forums/...id=33385&stc=1
http://www.xtremesystems.org/forums/...id=33386&stc=1
http://www.xtremesystems.org/forums/...id=33387&stc=1

Thats some nice stuff bigtoe! good job

bigtoe, is that a heatsink on the clock generator? :D

Quote:

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Originally Posted by bcn

bigtoe, is that a heatsink on the clock generator? :D

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Looks like it to me

I didn't gain MUCH from this:

http://www.xtremesystems.org/forums/...chmentid=33421

But it sure as HELL looks COOL!!!!!!!!!!!!
120mm>70mm UV fan adapter/120MM Aluminum Fan, from www.svc.com

how do i get my scores in the team. heres a link http://service.futuremark.com/compare?2k1=8622086
p4c800 e deluxe p4 730m 1,6@2,8 vapo ls . ill put up a 26 sec super pi up link tommorow :D

heres a screeny

Mounting a Prommie onto a Dothan.....

First of all, full of seal string - I'm fond of seal string - ..... :)

http://www.thelab.gr/images/Hipro5/D...eal_string.jpg

We can ALSO put a heatspreader of a P4 if we wish......The purpose of this is to avoid breaking the corners of the Dothan core which are TOO delicate.......I gained about 50MHz more with this on air but I think it was due to providing more pressure on the contact..... ;)

http://www.thelab.gr/images/Hipro5/D...t_spreader.jpg

Now........we take the clips of Dothans default heatsink and we just clip the prommie's head onto the socket.......

http://www.thelab.gr/images/Hipro5/D...mmie_mount.jpg

Finally a total system view and the clips from a different angle......

http://www.thelab.gr/images/Hipro5/D...ull_system.jpg


ALSO this CPU is craping out at about 3GHz no matter what VCore I give.......It reaches the 3GHz with 1.375VCore and does NOTHING at all if I give more VCore to it........Time for a new one........This one is from the first ones and of the year 2004...... :(

http://www.thelab.gr/images/Hipro5/D...24.313_png.png

Quote:

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Got my adapter and 730. 2,6GHz seems to be about the max for this chip with conventional cooling. Damm Asus P4P800 SE board looses the agp/pci -lock wit ATI -card when booting 200FSB. Bootin 201 locks them but looses the PAT -latensy enhancement... kinda sucks. ...doesn´t help much even when performance mode is enabled wit Tw865 -memtweaker. About 10ns slover latency, 60MB/s slower memory write and 450MB/s slower memory read measured with Everest home -benchmark with 1:1 217FSB PAT vs no PAT.



*might* be worth attempting a bootblock flash to keep PAT enabled over 200 fsb. Tried this personally but ended up nuking the bios. Was probably a mistake on my part though. Gave up however, and switched to a P4C which keeps PAT over 200 fsb without an issue

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So if i boot @ 201 my AGP/PCI is locked. But i lose PAT :fact:
Correct me if i'm wrong but this issue is true only for ATI cards. With 6800 i can boot @200 FSB to keep my pat enabled. Then use clockgen to up the fsb. After changing the FSB in windows to more then 200 will PAT stay enabled?

And is it true that by booting @200FSB my mem timings are set 2.2.2.5? What if my ram cant handle those? Does it makes sence to have PAT enabled with 2.5,3,3,6?

Thanks in advance. You guys got me realy intrested in getting dothan rig. I will use p4p800se, 730, TCCD, and my custom AIR chilbox @-28c. Initialy i will just aircool it and then set it on chiled water. This will be my gaiming rig :woot:

HiPro, thanks for taking the time to post the pics. You can never post too many pics.

And yes, it seems friggin 3.0 is my max too, didn't get anything from going from Vapo to -85 cascade, but could be a contact issue. :(

Quote:

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Originally Posted by hipro5

Mounting a Prommie onto a Dothan.....

First of all, full of seal string - I'm fond of seal string - ..... :)

---

Quote:

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Originally Posted by railer

So if i boot @ 201 my AGP/PCI is locked. But i lose PAT :fact:
Correct me if i'm wrong but this issue is true only for ATI cards. With 6800 i can boot @200 FSB to keep my pat enabled. Then use clockgen to up the fsb. After changing the FSB in windows to more then 200 will PAT stay enabled?

And is it true that by booting @200FSB my mem timings are set 2.2.2.5? What if my ram cant handle those? Does it makes sence to have PAT enabled with 2.5,3,3,6?

Thanks in advance. You guys got me realy intrested in getting dothan rig. I will use p4p800se, 730, TCCD, and my custom AIR chilbox @-28c. Initialy i will just aircool it and then set it on chiled water. This will be my gaiming rig :woot:

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Yes, if you boot at 200 then up via clockgen, PAT will remain on.
No, booting at 200 doesnt set 2,2,2,x (or didnt on the P4P800 when i played) keep pat enabled whenever you can :)
These things rock :D Got back home last night, hopefully Persivore will mod the hell outta the P4C and 9500NP while I'm back :D Just to make things that little bit faster still ;)

I have a p4c800 (non e non deluxe) here and this bios doesn't work for me:

flashed first time with afudos 116 with /n /pbnc command. when the flash is finished, it asks to reboot and when I do, everything spins up but I get no visual.

I flashed again with the latest afudos. it reboots fine... once. then i have the same problem.
when i reset the bios, it boots but again, just once. when I select load defaults and continue, it reboots but same problem: no visual.




now I've done the same thing with the latest beta bios for the P4C800 (1021b_04) and this bios seems fine apart from 1 rather anoying thing: it shuts down instantly when I reboot be it by shorting the pins or CTRL+ALT+DEL.


I wanted to check the german asus ftp again for a different bios but I can't get into the "intel chipset" folder (all other folders work fine) and if I remember correctly, the second most recent bios is the 1019 wich probably will not support dothan...



both biosses also gave me random discolored bios screens

does anyone else get graphical glitches in 3dmode when pat is enabled running past a certain fsb?

my setup is the following, all stock aircooling for the time being:
760 on p4p800-se, bios 1009.003
2x 512 khx3200 bh5 @3.3v
pov gf6800gt with default ultra-heatsink
ocz powerstream 520w

so with PAT enabled i used to boot at 167 1:1 and upped the fsb in windows. i could go well past 220 that way, stable and all. just when i ran am3 - because it always was the first to show glitches - i get some artifacting like the gfx-card gets to little juice, black triangles and all. that is at stock clocks on the gfx-card. so i started dropping the fsb in 5mhz steps until it reached around 180 where it would almost stop. iirc 178 was the setting where it finally ran without artifacts.

back when i ran the same speeds (fsb, ram & overall clocks on the cpu) with my 9800xt, i could do fsbs of >220 mhz and would get no such errors.

so then i decided to step it up some and booted at 201 mhz fsb with PAT disabled or partially enabled. that way i could up the fsb to almost 290 mhz (mem 3:2 or 5:4 - didn't matter) without getting glitches on the geforce. only when i went even further, like 300 mhz or even 310ish on the fsb, i would get artifacting again - still with the gf at stock clocks.

then again, i could also boot at 251 mhz 1:1 with PAT enabled (since on the p4p800se you get pat back on when selecting ddr500 as ramspeed). that would work good for everything BUT graphical apps. i haven't tested how far i would need to drop the fsb to stop the artifacting, but my guess is that the border for that happening would be about the same 175-185 mhz fsb it used to be before with the 6800gt installed.

this seems rather strange to me, but i have heard of this from other folks around using current gen cards - not necissarily all nvidia. some x800's where in the pack iirc.

so if anybody has a workaround for that, i'd really appreciate that. from the looks of it, this seems to be somewhat nb-related, with slacker timings or something on the nb when PAT is disabled. even increasing the vagp didn't really do any good...


/edit

this phenomenon is indepedent of the cpu-clock. with PAT enabled i got it at 2800 mhz (200x14, 1:1), 2400 mhz (200x12, 1:1) or even 2000 mhz (200x10, 1:1) using the same fsb-speeds and voltages for all runs or at 2760 mhz (306x9, 5:4) with PAT partially enabled...

yes this strange phenomenon is known and seems to occur at fsb >200 even if agp is locked. it has been mentionned in the ct479 test on hardware.fr

Got my own Dothan system up and running! :) That's the main reason I also registered to this forum although I've been browsing this for ages.

Now, I've got P4C800-E and CT-479 with a Pentium M 730. Had to use Celeron D to update the BIOS since the new mobo didn't boot with the PM. Used the new LiveUpdate (version 6 point something) to update with the official 1022.003. Went okay and got the Vcore change option but no multis. Do I need to get the 1023 beta for that or what's up with this? Thanks in advance. :)

Edit: P.S. Is CPU-Z 1.29 showing wrong Vcore or why did it stuck during and after SuperPI 8M at 1.308V while I've set 1.450V in the BIOS? Or dropping of the Vcore is really an issue and the mod is needed... 8M was stable though at 12x200MHz and 1M at 12x204MHz (haven't tested higher yet).

yes, you should update to 1023, 'cause bios 1022.003 allows cpu ratio only for dothan 400. The new beta bios will allow access to cpu ratio for pm 533
cpu origin and packdate?

Quote:

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Originally Posted by pvhk

yes, you should update to 1023, 'cause bios 1022.003 allows cpu ratio only for dothan 400. The new beta bios will allow access to cpu ratio for pm 533
cpu origin and packdate?

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Thanks for the info!

Made in Malaysia and pack date is 04/14/2005. Malay should be good right? What does the pack date tell to a more experienced eye?

exactly as mine, same packdate
batch q511A462
i managed to reach 2600 (fsb 217) vcore=1.55 bios. It should be OK for you!
I think cpu from malay outcomes philippines ones from what i noted by reading various forums but i may be wrong...

Quote:

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Originally Posted by pvhk

exactly as mine, same packdate
batch q511A462
i managed to reach 2600 (fsb 217) vcore=1.55 bios. It should be OK for you!

---

Hey, that's nice! :) Is your board (P4C800-E Deluxe also?) modded? Mine is brand new and so not modded and I'm worried vdroop is going to be an issue.

Everything seems to be working a lot nicer after I booted at 12x201 instead of 12x200 and started to work with EIST and ClockGen and loosed the memory timings. This I guess is the way I should go since I've got a 875P mobo and 6600GT as gpu (PAT stays on as well as the AGP/PCI clocks, right?). SuperPI 1M already through at 10x250MHz (BIOS Vcore 1.5V, 2x512MB TCCD's at 2.5-3-3-8).

Going to change to 7000-Cu at some stage and post then results (maybe to the other thread) if something spectacular happens. :)

Yes i have a p4c800ed but i mounted on it a 725@2.4 (15x160 in bios) no mod
vcore 1.4125
My 730 is mounted on a p4p800se

BTW, is it normal to have dividers (3:2 and 5:4) available in the 1022.003 (has to be I suppose..) over 200MHz (maybe also at 200, haven't checked)? Booted at 12x201 and after a little EIST and ClockGen action everything worked nice when at 10x250 and memory 200@2-2-2-5.

Now I want to fill this space by thanking everybody who have contributed to this thread and also to this forum in general. Though not cheap (bye bye my sweet euros...) this is a great hobby and XS is in my opinion the best place to discuss it. :)

PAT is "Performance Mode" right?

Ethier way just turned that on by booting at 200.

Such a stable system, operating a full one Ghz above spec. Lovely.

Quote:

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Originally Posted by pvhk

exactly as mine, same packdate
batch q511A462
i managed to reach 2600 (fsb 217) vcore=1.55 bios. It should be OK for you!
I think cpu from malay outcomes philippines ones from what i noted by reading various forums but i may be wrong...

---

Yep, got 1M through at about 2600 (stock ratio and max Vcore=1.6V). A bit more (like 2.62GHz) and the system booted... Well that's not bad, is it? Now a bit more testing with the cpu and then finding the limits of the mobo and mems. Have to also try 1023 and better cooling later. Thanks for all the help!

Switched to 1023 and BIOS shows multis between 6 and 28. I suppose though that cpu's multis are locked upwards from the stock, right? Well, now back to testing. Had to re-install XP already 'cause it didn't like my experiment at 2.6GHz:ish...

Quote:

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does anyone else get graphical glitches in 3dmode when pat is enabled running past a certain fsb?

my setup is the following, all stock aircooling for the time being:
760 on p4p800-se, bios 1009.003
2x 512 khx3200 bh5 @3.3v
pov gf6800gt with default ultra-heatsink
ocz powerstream 520w

so with PAT enabled i used to boot at 167 1:1 and upped the fsb in windows. i could go well past 220 that way, stable and all. just when i ran am3 - because it always was the first to show glitches - i get some artifacting like the gfx-card gets to little juice, black triangles and all. that is at stock clocks on the gfx-card. so i started dropping the fsb in 5mhz steps until it reached around 180 where it would almost stop. iirc 178 was the setting where it finally ran without artifacts.

back when i ran the same speeds (fsb, ram & overall clocks on the cpu) with my 9800xt, i could do fsbs of >220 mhz and would get no such errors.

so then i decided to step it up some and booted at 201 mhz fsb with PAT disabled or partially enabled. that way i could up the fsb to almost 290 mhz (mem 3:2 or 5:4 - didn't matter) without getting glitches on the geforce. only when i went even further, like 300 mhz or even 310ish on the fsb, i would get artifacting again - still with the gf at stock clocks.

then again, i could also boot at 251 mhz 1:1 with PAT enabled (since on the p4p800se you get pat back on when selecting ddr500 as ramspeed). that would work good for everything BUT graphical apps. i haven't tested how far i would need to drop the fsb to stop the artifacting, but my guess is that the border for that happening would be about the same 175-185 mhz fsb it used to be before with the 6800gt installed.

this seems rather strange to me, but i have heard of this from other folks around using current gen cards - not necissarily all nvidia. some x800's where in the pack iirc.

so if anybody has a workaround for that, i'd really appreciate that. from the looks of it, this seems to be somewhat nb-related, with slacker timings or something on the nb when PAT is disabled. even increasing the vagp didn't really do any good...


/edit

this phenomenon is indepedent of the cpu-clock. with PAT enabled i got it at 2800 mhz (200x14, 1:1), 2400 mhz (200x12, 1:1) or even 2000 mhz (200x10, 1:1) using the same fsb-speeds and voltages for all runs or at 2760 mhz (306x9, 5:4) with PAT partially enabled...

---

I dont have my Dothan sys but you can try this and see if it works. You need to disable Fastwrites in bios and in windows on GPU using RivaTuner. Actualy try first RivaTuner disable GPU Fastwrites then OS Fastwrites. It would decrease performance a bit but not much and should make oc'd system more stable. Would be intresting to know what gives more peformance -no PAT with FW or Pat on and no FW.
Hope it works

Quote:

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Originally Posted by Lil Big Mec

Heh heh... I joined up here so I could post in this thread. Awesome work guys! Now my question. I have a P4P800 Deluxe (very cheaply procured) and a celeron M 350 (Even cheaper!), so I could flash it with the beta bios for the P4P800 and get support for the ct-479 and retain all features of the board. Now if I flash to the P4P800-E bios I will get vcore agp/pci lock and cpu vid adjustment, but will I loose any board features like raid or lan? I guess I would really like to know what the best bios would be for this board then. Thanks all you Xtreme GODS :D

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Anyone have an answer for me?

Try reading the very first posts - has links to very latest BIOS versions

http://www.xtremesystems.org/forums/...457#post861457

Does the wire-trick work on a P4P800SE.
I've tried it already with no luck :S

Quote:

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Originally Posted by vegeta

Does the wire-trick work on a P4P800SE.
I've tried it already with no luck :S

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it should work, since it's a socket mod.
it's not mobo dependant

Quote:

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Originally Posted by Jericho

Try reading the very first posts - has links to very latest BIOS versions

http://www.xtremesystems.org/forums/...457#post861457

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Thank you, but nowhere could I find where it confirms or denies the changes to the available features of the motherboard, like it does to the P4C series :) I just want to be able to use the raid and lan on my board :confused:

Quote:

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Originally Posted by Lil Big Mec

Thank you, but nowhere could I find where it confirms or denies the changes to the available features of the motherboard, like it does to the P4C series :) I just want to be able to use the raid and lan on my board :confused:

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Why don't you just try it, and report back with YOUR results...

C

Quote:

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Originally Posted by sky

does anyone else get graphical glitches in 3dmode when pat is enabled running past a certain fsb?

my setup is the following, all stock aircooling for the time being:
760 on p4p800-se, bios 1009.003
2x 512 khx3200 bh5 @3.3v
pov gf6800gt with default ultra-heatsink
ocz powerstream 520w

so with PAT enabled i used to boot at 167 1:1 and upped the fsb in windows. i could go well past 220 that way, stable and all. just when i ran am3 - because it always was the first to show glitches - i get some artifacting like the gfx-card gets to little juice, black triangles and all. that is at stock clocks on the gfx-card. so i started dropping the fsb in 5mhz steps until it reached around 180 where it would almost stop. iirc 178 was the setting where it finally ran without artifacts.

back when i ran the same speeds (fsb, ram & overall clocks on the cpu) with my 9800xt, i could do fsbs of >220 mhz and would get no such errors.

so then i decided to step it up some and booted at 201 mhz fsb with PAT disabled or partially enabled. that way i could up the fsb to almost 290 mhz (mem 3:2 or 5:4 - didn't matter) without getting glitches on the geforce. only when i went even further, like 300 mhz or even 310ish on the fsb, i would get artifacting again - still with the gf at stock clocks.

then again, i could also boot at 251 mhz 1:1 with PAT enabled (since on the p4p800se you get pat back on when selecting ddr500 as ramspeed). that would work good for everything BUT graphical apps. i haven't tested how far i would need to drop the fsb to stop the artifacting, but my guess is that the border for that happening would be about the same 175-185 mhz fsb it used to be before with the 6800gt installed.

this seems rather strange to me, but i have heard of this from other folks around using current gen cards - not necissarily all nvidia. some x800's where in the pack iirc.

so if anybody has a workaround for that, i'd really appreciate that. from the looks of it, this seems to be somewhat nb-related, with slacker timings or something on the nb when PAT is disabled. even increasing the vagp didn't really do any good...


/edit

this phenomenon is indepedent of the cpu-clock. with PAT enabled i got it at 2800 mhz (200x14, 1:1), 2400 mhz (200x12, 1:1) or even 2000 mhz (200x10, 1:1) using the same fsb-speeds and voltages for all runs or at 2760 mhz (306x9, 5:4) with PAT partially enabled...

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Check out this post: http://www.abxzone.com/forums/showpo...&postcount=320
I have a p4p800 pat hacked and it stops artifacting once I change performance mode to 01. Give it a try. Too bad it can't be changed permanently.

I hope I can upgrade to a dothan once I save up some money.

Could someone post good BIOS settings when using P4C800-E Deluxe with TCCD and lower than stock multi with FSB over 230 or something like that. I'm not yet familiar with the P4C's BIOS specialities so it would help a lot. So far I've noticed that PAT set to "Enabled" causes instability but when set to "Auto" everything (well, tested with SuperPI 8M/32M) is stable (PAT is also then though enabled).

The problem I'm having and the reason for asking is that everything seems very stable and works great when booting at 12x200 1:1 (2-2-2-5) but booting with 10x240 (1:1 or 5:4) even with mem at 2.5-3-3-8 is not possible. Other multis I've tested are 6x, 8x and 9x and it's the same deal with all of them. Booting at 10x201 etc. and using ClockGen works fine but I wouldn't like to use CG in everyday use...

I figured there could be some other settings like the PAT one that for some reason causes instability or even these no-boot-for-some-weird-reason-when-everything-should-work-out-fine issues.

With P4P800e-Dlx kompressor drive modified machII clocks were 3150Mhz max and 1M Pi 24.062.
Dothan 740 again

Hey guys :]

I got a P4C800-E dlx with my ct-479, and i want to order a CPU.

The difference between the 740 and the 730 is like a 10$.

since a 10$ isn't count for me, i would like to know wich CPU is better for OC.

I know most off these things is about "luck" but anyway i guess one of them is considerd to be a better one.

multi is not a problem with the new bios.. so what's your opinion? :D

several people got some nice result with a 740 cpu :)
for instance the post before yours.

i would go for the 740, higher speedbinned so could be a better die...

Quote:

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Originally Posted by Venom21

...
The difference between the 740 and the 730 is like a 10$.
...

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Since the difference is that small, I say go for the 740. Just, as you mentioned, be sure to get the new 1023 beta bios right away since booting at FSB of 200 or over is a must and 2.6GHz or over can already be too much for some chips. Hope you get a good one though. :)

I would go for the 740. Higher MP
Those CPU's are lucky draws. I've seen 730,740 giving a can of whoopass and as bad OC'ers

Has anyone else experienced a brick wall with the FSB for boot/post ?

I'm hitting a wall at 245mhz FSB 1:1 (2Gb Ballistix , M740 , P4C800ed & 1023.001).

Its 100% absolutely error free at 245 in memtest(9hours full tests). But will not even post at 246mhz (regardless of multiplier used).

BUT - I can change the FSB in windows to 250 and its 100% rock solid with all tests ?

Anyone else experienced this.
Im thinking its just a BIOS bug.

yer i have p4c800-e latest beta bios and cant post over 226fsb but it works fine in windows at 250fsb..... even if i try to restart my pc with it semt over 226fsb with clockgen my pc wont post the sata hdd's dont spin up and the screen is off but everyting else seems to work so maby its a pci lock problem?

Quote:

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Originally Posted by dasa

yer i have p4c800-e latest beta bios and cant post over 226fsb but it works fine in windows at 250fsb..... even if i try to restart my pc with it semt over 226fsb with clockgen my pc wont post the sata hdd's dont spin up and the screen is off but everyting else seems to work so maby its a pci lock problem?

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Just ried that - same thing. No re-start. Have to shut down and start up. :confused:

I have the same experience with the p4p800se. I can't boot over 239.
And in windows without a problem. It's kinda annoying when you use memtest. If you do, you have to use dividers to get higher DDR Mhz's

Quote:

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Originally Posted by railer

I dont have my Dothan sys but you can try this and see if it works. You need to disable Fastwrites in bios and in windows on GPU using RivaTuner. Actualy try first RivaTuner disable GPU Fastwrites then OS Fastwrites. It would decrease performance a bit but not much and should make oc'd system more stable. Would be intresting to know what gives more peformance -no PAT with FW or Pat on and no FW.
Hope it works

---

thanks, i'll try that when i get back home today.. will see what it does.
only thing i can say is that withou pat (pat being completely off) performance
is noticeable down from pat fully enabled or even partially enabled. partially
enabled happens at fsb > 200. cpu-z says it's enabled, well that's kinda true,
but using ctiaw you'll see it is only partially enabled. unless you can up the
ram to run at ddr500 on booting, you're not going to see pat again with these
high fsbs... when pat is off, i have to up the fsb quite some to get close to
what i got with it turned on. i even put a former cpu-heatsink on the nb...
no deal. if anything it worsened the oc (at least that's how it seems).

anyway.. what struck me as odd was the difference between the last gen
ati card (9800xt) and the well (now) last gen nvidia (6800gt). sure the nv
is faster overall, but what's that got to do with the nb and all? i mean, almost
40mhz of fsb-power lost only by using a different videocard - that seems
rather odd. where's the connection? i mean from the performance feedback,
3d2k1 offers, the 9800xt (when overclocked) wasn't that far off compared
to the gt, except of course in nature or dx9 stuff...

Quote:

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Originally Posted by IronChefff

Check out this post: http://www.abxzone.com/forums/showp...8&postcount=320
I have a p4p800 pat hacked and it stops artifacting once I change performance mode to 01. Give it a try. Too bad it can't be changed permanently.

I hope I can upgrade to a dothan once I save up some money.

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thanks! another thing i will try. i can't view the pic you linked to w/o regging
there, but i guess i know what you want me to try. so far i've been running
the tweaker to change the 2 settings below the "normal" timings. i don't
know what that setting is at right now, but i'm pretty confident it is at 00
right now. we'll see if it helps the situation. because what's the use of high
fsbs when you can't really use it (in 3d that is).




anyway.. another thing i found odd with my dothan combo was that when
i am running win2k, i can put out real good 1m and 2m superpi runs. but once
i try 32m, my times go to hell. the same config that can run a low 26 will take
a good ;) 48m (!!) for 32m. that's win2k sp1. with the same setup and almost
identical settings (main stuff is there, memory timings, yadayada) on a winxp
pro sp1 install (former amd xpm install, blatantly misused with shot direct x9
install and all) i am able to pull low 29m for 32m. that is still not great, but
one hell of a difference. anyone know what could be the cause?
the win2k install was brandspanking new by the way... got the same slowish
result with the win2k install of the old xp-m...

Quote:

---

Originally Posted by Jericho

Has anyone else experienced a brick wall with the FSB for boot/post ?

I'm hitting a wall at 245mhz FSB 1:1 (2Gb Ballistix , M740 , P4C800ed & 1023.001).

Its 100% absolutely error free at 245 in memtest(9hours full tests). But will not even post at 246mhz (regardless of multiplier used).

BUT - I can change the FSB in windows to 250 and its 100% rock solid with all tests ?

Anyone else experienced this.
Im thinking its just a BIOS bug.

---

Would agree on the bios bug. Cant boot over ~ 225-230 here.
Whats interesting is that if you boot to windows, then restart the pc with the fsb set below the "no boot" fsb (if that makes sense) it'll restart fine.
If you set the fsb in windows ABOVE the "no boot" fsb then it WON'T reboot properly. It just sits there at a black screen.
ie, boot at 210 fsb (standard boot with 2*256, 12*) the reboot, everything will be fine. Boot at 210 again, drop multi and set 255 fsb, it'll run tests fine, prime95 and whatever. However restart the pc (shutdown is fine) and it hangs on boot.
Sounds very much like a bios bug. Have played with the 400/533 jumpers that didnt fix, very strange problem!

Big ????? also here, since I had a vga monitor connected I managed to work rock solid at 2612 mhz (201x13).
Then I bought a new 19" lcd monitor with dvi and from there I experience many craches and I had to lwer the cpu frequence to 2520 (210x12).
The oly change was DVI connection usage!!!!

Ciao Olaf

This is a bit off topic-

What is the difference between a 478 pin and 479 pin 533 dothan? I mean, obviously, there is the difference in the amount of pins...but are they both compatible with the same things? Was the 479 variant just a later version created to stop morons from trying to put 478 P-M's in socket 478 boards?

Differences between these two? http://processorfinder.intel.com/scr...+on+selections

Has anyone a guide to fit a mach 2 to the ct 479? I've read that some modding is needed just need to see how much is needed before i splash out

while it's true the dothan *socket* has 479 holes, a dothan actually has only 478 pins :)
and your link shows a dothan with pins (yup, that's the 478 thingy) and a dothan with
balls (bga - ball grid array) - that's the 479 "pin" type.
the bga-piece needs a special socket or a special adaptor to make it run on the asus
adapter. the other is just your regular dothan. i'm running a sl7sm (760, ppga) and a
sl7em (755, ppga) and boy they don't have balls, but pins and work without troubles
in your regular i855 mobos or on the asus adaptor... :D

@marvt
look around here, it's either in this very thread or in a dothan thread close
by, where hipro showed his prommi mount on a dothan setup.

Quote:

---

Originally Posted by sky

while it's true the dothan *socket* has 479 holes, a dothan actually has only 478 pins :)
and your link shows a dothan with pins (yup, that's the 478 thingy) and a dothan with
balls (bga - ball grid array) - that's the 479 "pin" type.
the bga-piece needs a special socket or a special adaptor to make it run on the asus
adapter. the other is just your regular dothan. i'm running a sl7sm (760, ppga) and a
sl7em (755, ppga) and boy they don't have balls, but pins and work without troubles
in your regular i855 mobos or on the asus adaptor... :D

---

Thanks for the clarification. I just bought a new 478-pin 730 for $152 on ebay and I just wanted to make sure it would work with the CT-479 before I bought it :)

Now it's just time to decide on the $90 p4p or $170 p4c :\. Seems the p4c is getting better results but I don't know if I wanna dish out the extra $70...I'm a poor college student you know ;) Seeing as though I have junk ram at the moment, I'm leaning toward the p4p since I won't be able to pull amazing speeds with Crucial Value RAM regardless of nb capability.

By the way, I came across this discussion of PAT performance increase a few minutes ago while googling. Kind of interesting, but I don't know how relevant it is: http://www.xbitlabs.com/articles/mai...-p4p800_8.html

Highland3r

Thanks , then we can confirm its a geniune bug thats affecting everyone - hopefuly it will be fixed with a BIOS.

dqniel

P4C800ed without a doubt - save save save . Its worth waiting an extra week.
Its not just the fact the P4C is slightly faster, it is also a better layout.

Quote:

---

Originally Posted by Jericho

Highland3r

Thanks , then we can confirm its a geniune bug thats affecting everyone - hopefuly it will be fixed with a BIOS.

dqniel

P4C800ed without a doubt - save save save . Its worth waiting an extra week.
Its not just the fact the P4C is slightly faster, it is also a better layout.

---

I make 70 in one night of work, but I save for other things...like the ridiculously priced gas that gets me to work along with college tuition;). Who knows, maybe I can find a used p4c800ed for only a bit more than a new p4p800se.

I pulled a bare P4C800ed board off ebay for about the same as a new P4P800se, so yeah its possible.

I have used both P4P and P4C btw with this dothan, so Im talking from my own experience.

Thank you Sky, my xtpe borked so seems like a good time to switch since i cant use that as an excuse not to anymore :D

Bring on the dark side

update regarding my post from earlier today. i guess it is time to spread some
thanks to railer and ironcheff. being the lazy smartass (?) i am i incorporated
both their recommendations in one go and went upping the clocks.
so with both fixes in place i was able to up the fsb once again to >300 and was
actually able to bench aquamark3 at 9x306 (2754 mhz) with the geforce mildly
clocked at 400/1150. so i guess we can state that this works. which of the two
fixes finally made this possible, i don't know. suffice to say that it works. this
was done running the mem 3:2 (not good). anyway, i had to ump the pci-agp
fix up to 36/72 in the process, since the rig went into supercrawl mode once
i passed 304 mhz fsb at those settings i used.

now what i need to figure is how to make this work with my ram. so far i've been
able to go up to +240 on the ram - which really isn't that much of a feat, con-
sidering it's bh5 (2x kingston 512mb sticks, them being doublesided doesn't help).
but then again, with this p4p800-se my vdimm drops considerably under
load. vdimm mod is done via lm358 and resistance is set to 0, so whatever is
left of the 3.3v rail after some regulation, goes to the dimms. by bumping the
3.3v to about 3.5v on this last try, i had about 3.27-3.3v working the rams
under load. idle is ~3.4v...

i need to stabilize the vdimm, because 0.12v max droop under load is not to
be tolerated. makes benching some sort of a gamble. ideas to make this
happen are appreciated. btw psu is an ocz powerstream 520w - and i doubt
its 3.3v line takes a dive under load, when it didn't buckle running my xpm
@3.1ghz loaded.

hipro5 .... and sorry for the long post

If you don't mind, I have a few questions about your Prommie mounting ....

1) What did you do for the back?
2) Are you using the back heater pad? (i assume you are because of the low heat output of the Dothan)
3) When you attached the Intel cradle, did you add any spacers to raise it a bit? I was think of doing that to decrease the force being applied by the CT-479 heatsinks holddowns.... I read that it is a lot.
4) Those are the holddowns from the CT-479 heatsink?
5) Did the heatspreader allow you to apply more pressure than normal?

Here is my plan

1) Using a #8 nylon screw thru the Intel cradle, washer(or 2 or bolt), thru motherboard, thru the Prommie backplate capped with a washer and nut.

This will raise the cradle holddown notches around 1/8" to 1/4".

2) Apply a thin foam tape around the processor core to act as a shim

3) LOTS of seal string like you have

4) using the same hold downs from the CT-479 heatsink.

5) Add another layer of neoprene all around the Prommie head

6) Add another layer of neoprene on the back

I am a little afraid of condensation because of the low heat load geneated by the Dothan ..... even at 3.4g (i wish! :p: :p: )

I am hoping for 2.9 to 3.1g from a 730M on a P4P800SE for everyday use.....Dreaming?

Man, I wish I didnt just throw out the heatspreader from a busted p4 last week after seeing hipro's mounting trick. I guess I can scalp this 1.7 that I was going to send out for pin repair seeing I dont have any other p4 boards to use it in... Nice one hipro, now I have mounting methods for both my vapo and my mach II!! Now I only need another 740!

Quote:

---

Originally Posted by bhoward

2) Are you using the back heater pad? (i assume you are because of the low heat output of the Dothan)

---

just some thought.. i guess the heatpad on the rear of the board may not do
anything to avoid condensation, as it is a good way off where the real cold is.
think of how the setup would be:

on top you have the evaporator of the prommi, below that maybe the ihs of
an old chip or some other means of stopping the evap from tilting on the tiny
dothan die, thus chipping it. then the chip itself, after that the adaptor.
up to this point it's more or less a "regular" prometeia install. BUT the adaptor
has a socketlike thing on it's bottom that fits onto the actual real socket of
the board.

what i'm trying to say is that you have a huge area of air underneath the
adaptor that needs taking care of before thinking about insulating the actual
rear of the board. if you don't insulate up there, like hipro did, you may not
need to put anything on the back of the board. overall you have about an
additional 0.8-1.0 cm of material (adaptor) between the backside of the mb
and the evap head.

this is just a thought. may not mean much, but might be worth thinking
about :)

cheers

sky

The rear of all motherboards must be insulated whenever you are colling with sub-zero temps. The CPU --> it's pins --> adapter --> it's pin --> socket --> it's solder provide a direct channel for the cold to the read of the motherboard. If not insulated, frost will quickly appear there and kill the motherboard (at least!).

I am asking if the rear heater is being used to finish evaporating the coolant so that no liquid is returned to the compressor which would kill it in time. i.e. make the CPU feel hotter to the prommie.

My 2.4a is plenty hot enough to achieve this since it is providing around 140w (my guess-a-ment). The Dothan under full does around half of that.