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Asus Z170-Deluxe Boot Time - Page 7

post #61 of 93
Quote:
Originally Posted by dontony View Post

The drct toggle was a red herring.

My 3000 mhz memory on xmp profile makes the post very slow and often I get error 55 (memory not installed) on boot. When I switched the drct toggle the post time was completely normal for a few hours - but then went back to slow - must have been something else. I can't recreate what I did, I've tried but it was posting quickly on xmp profile for a while...

With 2133 mhz memory (that I tried) the post time was normal as well.

Don't know why we're all having these problems. Obviously something to do with memory but my 3000mhz memory is from the qvl so no reason for it to be posting slowly and kicking up 55 codes.

Asus will probably take notice and update the bios to fix at some point.

The 1003 bios has done nothing to help and alarmingly (cos I've installed it) it's been pulled from the asus website.

Memory instability. You can try changing FCLK (System Agent Clock) to 800mhz. This resolved heavy training issues for me.

1003 was pulled due to issues with Intels own microcode which is having an impact on adaptive and offset voltage modes. I'm using it currently in manual voltage with no issues.
Edited by Silent Scone - 10/4/15 at 3:49am
post #62 of 93
I am also having Asus Z170-Deluxe, Rijaws DDR4 2800 listed in Qualified Vendor List, EWKB x360 in Push-Pull, SSD HypexX Savage 240, PSU 1200I Corsair, Gigabyte GTX970.
Since I assembled my staff I was in big difficulty first with various BIOSES starting from 0504 to 1003. I tested all and still facing the problem of Boot which is taking much time, and the problem of using full the DDR4, not talking about the overclocking.

I followed many forums in Overclock.net like the present one, and 1570313 / 1573170 / 1573289 / 1568154 etc...trying the find a solution

In same cases we suspected the memory, XMP, deactivating options in the bios (Direct Key, Bleutooth, LAN, WIFI, ASMEDIA...) etc...

The problem still remains pending none of the suggestions were successful, it is now almost a month I am trying and practicing...

2 days back while trying to go through overclocking via AISUITE, at my surprise I was happy to discover that my CPU has a power to go to x48 but unfortunately with RealBench 2.41 ie is not successful. Maximum is only x46 and the memory set at 2666 manually (via AISUITE) instead of XMP 2800.

The boot timing was fine no more delay.

When I tried to use XMP boot and restart takes a lot of time, even if set the memory manually to 2800 same issue. I tried also 3000 with VCCIO 1.20 System Agent 1.35 it is Ok but with huge delay in boot and restarting.

I assumed that it was a problem with XMP

Update to bios 1003 did not resolve any problem and was surprised was it was taken out form the Asus website which I ma visiting 2-3 times a day...

Today when I was looking to the last suggestion regarding FCLOCK option in tweakers paradise, I did the test with 800 and the problem is still there.

After trying many option with XMP/ manual no success.

Suddenly one option which I was using in my old motherboard Maximus VI Extreme came to my mind its "MRC FAST BOOT" option in the DRAM Timing which has to be ENABLED and then grand surprise the boot and restating is fast.

So this is what I wanted to share with the community to use XMP or Manual DDR4:

Keep the FCLOCK to Auto
MRC Fast Boot = Enabled

I hope this will help.

This is what I get as of now.

I will continue sharing my practice to help others.

Thank you for sharing the reason why 1003 was pulled
post #63 of 93
Just tried the MRC fast boot setting (can't believe I hadn't found it!)

Post time is normal, about 6 seconds. Nice.

Hope it stays fast... Will report back.

Thanks Lahatg. Awesome.
post #64 of 93
This is memory training. This option should only be enabled when adamant the memory is stable. Since day one I and others have been trying to explain to the people complaining DDR4 training routines are what cause these longer POST cycles. They are important, oddly not nearly as many people complained about this on x99. Go figure. With MRC fast boot enabled the system will not retrain the memory which can lead to undiagnosed system instability.

Memory should be tested with the proper means first, either HCI Memtest pro or Google Stress App test via Linux Mint.
Edited by Silent Scone - 10/5/15 at 12:29am
post #65 of 93
The slow post/startup is clearly to do with the memory training.

It's also clear that the z170-deluxe is acting strangely with all sorts of OC memory, mostly from the qvl. It's not just slow posting, often, it's failing to boot and giving an error code of 55 (memory not installed, or other memory code faults). When this happens, rebooting, goes to the "overclocking failed screen", one enters the bios, changes nothing, reboot. Then it might work or not. Weird stuff that Asus will probably iron out with future updates. Deciding not to boot half the time and telling you that the memory ain't installed is not normal.

The MRC fast boot skips the memory training I guess. Yes, make sure the memory itself is good before switching to MRC fast boot.

Same stuff happened when X99 first came out, I bought the Asus x99 deluxe in it's first week and the memory compatibility on the, then brand new, ddr4 was a giant pain. A year on and all's well. Same should happen for the z170.

Lahatg, it's still booting fast, and cos it's skipping the training no 55 codes since. Yes.
post #66 of 93
Quote:
Originally Posted by dontony View Post

The slow post/startup is clearly to do with the memory training.

It's also clear that the z170-deluxe is acting strangely with all sorts of OC memory, mostly from the qvl. It's not just slow posting, often, it's failing to boot and giving an error code of 55 (memory not installed, or other memory code faults). When this happens, rebooting, goes to the "overclocking failed screen", one enters the bios, changes nothing, reboot. Then it might work or not. Weird stuff that Asus will probably iron out with future updates. Deciding not to boot half the time and telling you that the memory ain't installed is not normal.

The MRC fast boot skips the memory training I guess. Yes, make sure the memory itself is good before switching to MRC fast boot.

Same stuff happened when X99 first came out, I bought the Asus x99 deluxe in it's first week and the memory compatibility on the, then brand new, ddr4 was a giant pain. A year on and all's well. Same should happen for the z170.

Lahatg, it's still booting fast, and cos it's skipping the training no 55 codes since. Yes.

Like I said, FCLK is set to 1000Mhz as of 0901 - this caused a lot of training failures for me even when the memory was stable otherwise, setting this to 800Mhz solved this in my case
post #67 of 93
Disabling CSM in boot options appeared to make my boot times faster, but that might just be placebo effect. (Z170 Pro Gaming so still Asus)

Edit: But ofcourse this only works if you have a uefi bootable install
    
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i5 6600k @4.4GHz Asus Z170 Pro Gaming EVGA GTX 960 SSC 2GB 16GB Kingston HyperX Fury 2666MHz 
Hard DriveHard DriveOptical DriveCooling
Samsung SM951 NVME 256GB Seagate Barracuda 1TB Some Asus thing that sounds like an aircraft at... Be Quiet Dark Rock 3 
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Windows 10 Logitech something Super Flower Leadex Platinum 550w Phanteks Enthoo Luxe 
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Corsair M65 
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post #68 of 93
Woot. Almost as fast as my ultrabook now even with the Intel 750. MRC fast boot enabled sped it up by at least 10 seconds. I imagine if your memory trains to what you have set it to without going through any cycles is just one training cycle, then enabling this will have no negative effects.
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post #69 of 93
Quote:
Originally Posted by BrokenPC View Post

Woot. Almost as fast as my ultrabook now even with the Intel 750. MRC fast boot enabled sped it up by at least 10 seconds. I imagine if your memory trains to what you have set it to without going through any cycles is just one training cycle, then enabling this will have no negative effects.

Depends how stable the memory is, doesn't it. Ideally it should be disabled.
post #70 of 93
I tried changing the FCLK to 800 (from auto) and disabled the mrc fast boot setting. Went back to very slow for me, as before. So not sure whether I was on 800mhz already, I didn't try the 1000mhz setting (rather than auto).
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