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Q9450 on Intel DX48BT2 - Page 3

post #21 of 29
OK..

FIRST: You are probably NOT running 56C unless the mother board tells you so. Don't be surprised if you are running 46C.

SECOND: Have you flashed to the latest BIOS version??? If you haven't, there's your problem.

THIRD: If you have flashed your BIOS and are receiving all these issues, try a different power supply and bring everything up on AUTO or DEFAULT settings. If the board itself is defective then you'll just have to RMA/return it.

Last but not least, in windows have you installed all the updated drivers from intel.com?
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post #22 of 29
Thread Starter 
Power supply is ok, other references on the Mobo are ok & Tested on other Asus Mobo.Also the Cooler on the CPU has been taked down, cleaned & putet back with thermal paste..Still the same problem, same temperature..I will send back the Mobo .. and try to replace it with an Asus P5* Mobo..Wich one I don´t know jet...or maybe GA... will see.
BUT I DON'T KNOW in wich one I should trust:

(ASUS P5E3 Premium WIFI @on) or (GA EP45T-DS3 or DS3R)...

Other option to suport CPU FSB 1333Mhz , DDR3 Corsair 1333Mhz & Single EVGA 9800GTX I have not found/have not received purpose....
Edited by blacklotusul - 6/26/08 at 2:26am
    
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post #23 of 29
Thread Starter 
Hello Guys, I received my new Mobo, everythings ok with that..Everything ok with it I mean that no restart, everything runs just fine on it, stock..
But like unluck for me,I saw some bad issues on it:
1.idle Temp 48/50°(REALTEMP) - load under prime95 70°(REALTEMP)
(with 4 120Xmm coolers in Thermaltake Case and Coolermaster on CPU).
2.Overclock -modified in Bios only FSB , everything on auto.I can start the sistem only with 8*350, more than that my PC won´t start..

I´m on air, room temp around 25/28°

Could you guys post me some measures to get OC higher, i wan´t only try in this faze the 3.0GHZ stable, after that put WC on it, but it won´t be easy..in my Country(RO) i haven´t seen really good stuffs and I don´t know this WC criteria, wich WC part/sistem to buy...
Edited by blacklotusul - 7/10/08 at 12:50am
    
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post #24 of 29
This is a bit late for you but maybe it'll help others. I have the stock cpu cooler.
I also had a random reboot issue, no memory dumps. Had one day where it happened 31 times.

I'm now running Vista Ultimate 32 bit, everything is stock except the memory settings. I have it set to 1.7v and timing is 8-8-8-21. My ram is Patriot PC10600 DDR3 1333MHz.

I've been stable (no random reboot) for 8 days. That's the day I upped the ram voltage and memory timing.

BTW this is my second DX48BT2, the first one caught fire. Literally, right around the voltage regulators. More DX48BT2 and Vista stuff here
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post #25 of 29
I have been doing a lot of reading about this board and trying some different settings. I have encoutered some of the problems listed here and other. The biggest was crashing in the middle of gaming. I could run test after test and have a very stable system, I like playing crysis and it would crash on me. So the current setup I have is as follows it has worked now for 3 days and going strong. I updated the bios with the newest version 1782 and did this by the recovery method (remove jumper and unplug any bootable drive or device per intel tech advice) have the new bios on a USB drive plug into back panel usb. Start the system it will take about 3 min before anything happens. Follow the instructions and reboot. Hit F2 to boot bios change your setting FSB voltage 1.3v MCH (NB) 1.35v, mulitplier 8, clock 400Mhz. Now move on to your memory, I have the Corsair XMS3 DDR3 1600mhz 2X2G They are located in DIMM 1 of ch A & B (this is specific the XMS 2G memory only). I overclocked to 1600, reference freq to 400, 9-9-9-24 timing tRFC 60, tRRD 4, tWR 10, tWTR, 5, tRTP 5, voltage 1.78, command Rate auto. Now if you like the power saver on where the multiplier is lowered during idle up the vCore by .1 v this will insure enough voltage when you load the cpu because as the cpu changes load the multiplier changes as well saving you power $$. If you don't want the multiplier to change the disable the EIST in the power setting of bios, I also have the C1E disabled that is found in performance bus overrides. I hope this helps someone, I know just enough to get into trouble so as for question someone else might need to answer, if anyone is still reading this.
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post #26 of 29
Quote:
Originally Posted by theSizzler View Post
This is a bit late for you but maybe it'll help others. I have the stock cpu cooler.
I also had a random reboot issue, no memory dumps. Had one day where it happened 31 times.

I'm now running Vista Ultimate 32 bit, everything is stock except the memory settings. I have it set to 1.7v and timing is 8-8-8-21. My ram is Patriot PC10600 DDR3 1333MHz.

I've been stable (no random reboot) for 8 days. That's the day I upped the ram voltage and memory timing.

BTW this is my second DX48BT2, the first one caught fire. Literally, right around the voltage regulators. More DX48BT2 and Vista stuff here
Hi - i find this interesting. I am having the exact same problem on this same board. I recently built my PC and have been having this reboot issue.. .did a foramt on daturday and then started having the reboot every 5 min!!! then reformatted again on sunday and now had it only once since then but it still happens. I dont know how to change timinings on memory so this may be useful to me... i think i have the exact same memory as you do.
My system specs: QX6950 COre 2 Extreme, the unfriendly DX48BT2 board, Patriot DDR3 4GB ram at 1333, XFX GeForce 9800GTX, Hauppage HVR 1600, Lynksis internal WiFi N card 500GB hard drive and 2 DVD drives, one is BD. ANtec 900 case with 5 fans set on high and a Zalman Cooler (my temps on idle are around 30)
I am also having the problem from the original post that the post takes along time to happen (NO OCing in my case)
also, one more thing to point out is that the last format, i didnt install the sound driver and the frequency of restarts is less any other suggestions?
post #27 of 29
It's now Aug 31, and still not ONE random reboot!

Clarification on "everything is stock" in my original post.
I meant all settings. When I built the system, I made sure I had the latest BIOS and all the latest board drivers.

@DrHuss
The memory voltage seems to be the common factor. I recall reading somewhere [didn't pay attention at the time] that DDR3 is not ready for prime time as current (as of that time about 2008-04 or so) production of DDR3 was not stable at the spec'ed voltage [1.5v] and you had to go higher. Remembering this later is what inspired me to try upping the voltage. That poster seems to have been dead on!
Edited by theSizzler - 8/31/08 at 8:08am
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post #28 of 29
Thread Starter 
Hy Guys, sorry for late answer but I was in hooliday, no acces to PC or Internet...Like I read on the thread opened by me, there are a lot of people with that reboot issue, like my was..but in mean time I have changed components, like in my signature,but I´m happy that you have found the reason of reboots.I have enough problems 2 weeks with this Intel board,sorry...I will never buy in my life an Intel board anymore..gone back to Asus.Since than my sistem is working Perfect, no problems, no reboot, CPU is working perfect on 3,6 OC,with acceptable 34° Idle and 50 Load... Thank again for your support, I´m looking forward to learn about stuffs on this amazing Forum..

Cheers guys...
    
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post #29 of 29
Hey guys,

Similar problems to several of the people here with the rebooting...it doesn't do it normally unless I am gaming...it runs wow fine, but not Crysis or Warhammer. Anyway, without getting lost in that, I changed out the psu, no help. I ran at stock cpu freq, and cranked my DDR3 up to 1333...I'm using Kingston Hyper-X 1600. Anyway, long story short, I narrowed it down to the memory or the cpu oc. The mem runs fine at 1333, and it was at 1278 on a 400 fsb oc to get the cpu to 3.2 from 2.66 (I have a Q9450). SOO, unless there is something weird about the RAM freq not being an even multiple of the FSB or some crazy **** like that, for ME what is causing the reboots is a slightly unstable cpu OC. Probably don't have my voltages right or something. But I don't think it's the memory....hope this helps someone....
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