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ASUS North America - ASUS Z170 Motherboards Q&A Thread - Page 337

post #3361 of 5761
Quote:
Originally Posted by Praz View Post

Hello

This is possibly from flashing while unstable. Probably should have fully cleared the CMOS before the flash attempt and flashed with a single stick of RAM installed.

i was just running a single stick, and no oc. i think the system was stable?! just can't get the dual channel running, and decided to wait for the new bios and try it again
post #3362 of 5761
Quote:
Originally Posted by cAney View Post

i was just running a single stick, and no oc. i think the system was stable?! just can't get the dual channel running, and decided to wait for the new bios and try it again

What speed was the memory running?
post #3363 of 5761
Quote:
Originally Posted by Silent Scone View Post

What speed was the memory running?

the stick is a corsair vengeance lpx 3200 32gb, i´m not sure exactly but it think it was running 1600 by the default settings
post #3364 of 5761
Quote:
Originally Posted by cAney View Post

i was just running a single stick, and no oc. i think the system was stable?! just can't get the dual channel running, and decided to wait for the new bios and try it again

Hello

If there were no stability issues dual channel memory mode would have been possible.
post #3365 of 5761
Quote:
Originally Posted by Praz View Post

Hello

If there were no stability issues dual channel memory mode would have been possible.

just to understand the problem: so is a running system by default settings in single channel mode also instabel, because it can´t run dual channel? i thought it was more a problem of "compatibility" of the ram sticks, or the right configuration by ram speed and voltage
post #3366 of 5761
Quote:
Originally Posted by nyxz View Post

It looks like asus removed a bunch of bioses from the website, anything we should know about ?

Quote:
Originally Posted by wertyrass View Post

Just looked up for Z170 deluxe , and indeed only few version are avaible no matter what ... weird ? exclamation.gif
If some missing under Windows, try looking under "Others" OS.
miso-o
(10 items)
 
  
CPUMotherboardGraphicsRAM
Intel 6700k @4830 Asus Hero VIII EVGA 980Ti Classy G.Skill 8GBx2 @3780 
Hard DriveHard DriveCoolingOS
Samsung 850Evo 250GB Crucial BX100 500GB Noctua D15S Windows 10 Home 
PowerCase
Seasonic X750 Corsair 730T 
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Reply
miso-o
(10 items)
 
  
CPUMotherboardGraphicsRAM
Intel 6700k @4830 Asus Hero VIII EVGA 980Ti Classy G.Skill 8GBx2 @3780 
Hard DriveHard DriveCoolingOS
Samsung 850Evo 250GB Crucial BX100 500GB Noctua D15S Windows 10 Home 
PowerCase
Seasonic X750 Corsair 730T 
  hide details  
Reply
post #3367 of 5761
Quote:
Originally Posted by cAney View Post

just to understand the problem: so is a running system by default settings in single channel mode also instabel, because it can´t run dual channel? i thought it was more a problem of "compatibility" of the ram sticks, or the right configuration by ram speed and voltage

Depends entirely on what the issue was. I have the Deluxe here and was able to flash to the same revision no problem. Seeing as you've already spoken to ASUS it's best that you follow them up and get the board replaced.
post #3368 of 5761
thank you for the help thumb.gif
post #3369 of 5761
Quote:
Originally Posted by pegnose View Post

Thanks for the feedback! At which controller?

+1 for faulty/insufficient PSU.

Just a short update: had a freeze again, presumably after successful rebuild, this time without reboot. Have ordered a more powerful PSU, will be there tomorrow: BeQuiet Dark Power Pro 11 750 W (ATX 2.4, ERP Lot 6, Haswell c-states, 25 or 30 Amps per rail). But this definitely is my last BQ in case there will be another issue with it!
Edited by pegnose - 1/25/16 at 1:20pm
post #3370 of 5761
Quote:
Originally Posted by Deders View Post

It could be any number of reasons, but yeah the only way to be sure is to try different configurations.

Very strange that a PSU would stop working entirely just from unplugging it. Did you get 2 replacements of the same PSU?

You can have voltage spikes on disconnecting a circuit. Funny thing is, I surely wasn't very careful *before* the warranty ran out, either.
Quote:
Originally Posted by Deders View Post

It's a common misconception that the rail that the 6/8 pin PCIE connectors handle the entire graphics card. They can draw up to 75W from the PCIe slot itself, the actual amount varies from card to card. Each power source has to be electrically isolated from each other by design, which is why I was able to get way with running 2 different PSU's (one for the main system and one for the 6/8 pins) for a while without causing a small explosion. As soon as I tried to run a drive from the 2nd PSU, something sparked because the slight differences in the voltage made the signal out of sync with the current coming up the IDE cable from the board.

Outch!
Quote:
Originally Posted by Deders View Post

Even so I would have thought you'd use 2 separate PCIe cables, one for each 6/8 pin connector?

Each cable has two connectors. I mean you have to be able to run two 200 W GPUs in one case, right? But I just wasn't thinking. Its a 980ti, and it is one of the most overclocked specimen.
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