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*Official* Intel DDR4 24/7 Memory Stability Thread - Page 59

post #581 of 4869
Quote:
Originally Posted by Silent Scone View Post

I'll see if you can ponder over the repercussions of toggling profiles from one POST to the next with MRC FastBoot disabled.

I guess if that data is stored along with the profile, it will be loaded with the profile.

On the other hand the training data could be separate and applied to each profile once it has loaded.

There may even be a record of successful and unsuccessful timings with all the relevant temp, impedance drift and voltage data at the given frequency. This might eat into NVRAM space, especially if the frequency was changed a lot, so it might not be implemented.

I presume this data would be changed and retested if you applied a new frequency, or at least one that was too far away from the original.


So if it is stored along with the profile, disabling MRC Fastboot (in effect enabling memory training) The values would be retrained after a restart.

If it is stored separately and the profile loaded but the memory settings were the same in both profiles, it might be able to keep the old training data and work from there, still retraining after a restart.

If the memory settings are completely different, I expect It would have to start again with the memory training, if it couldn't find any relevant data in the possibly non-existent cache of settings.

I'd like to know what the DLLBwEn setting is for?

The auto settings on the MRC Fastboot and the setting that determines the thoroughness of the testing implies that the bios could decide to enable and disable training based on a stability record.
Edited by Deders - 1/31/16 at 5:15am
post #582 of 4869
Thread Starter 
I can't translate that into anything meaningful sorry.
post #583 of 4869
Basically with MRC Fastboot Disabled, the memory training should happen anyway on reboot. The starting point for this could depend on how the learned data is stored.
post #584 of 4869
you guys need a couple of pints before resuming that discussion. tongue.gif
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post #585 of 4869
Thread Starter 
Quote:
Originally Posted by Jpmboy View Post

you guys need a couple of pints before resuming that discussion. tongue.gif

Think that may already be involved lol
post #586 of 4869
Quote:
Originally Posted by Silent Scone View Post

Sometimes it pays to play dumb from a user standpoint

I've never had to play at being dumb or sometimes it's better to let people think I'm stupid than opening my mouth and confirming there suspicions
post #587 of 4869
Quote:
Originally Posted by Jpmboy View Post

you guys need a couple of pints before resuming that discussion. tongue.gif

In progress.....
post #588 of 4869
Thread Starter 
Quote:
Originally Posted by Menthol View Post

I've never had to play at being dumb or sometimes it's better to let people think I'm stupid than opening my mouth and confirming there suspicions

LOL, we as the majority on this subject are all in the same boat. Most important thing to take away is how this is represented on the platform you are using with Q-CODE. It's scary how many users complain when getting a new memory kit and having woes without even remotely understanding why the system is halting. Or more to the point in some ways even bothering to check what the code represents in the manual.
Edited by Silent Scone - 1/31/16 at 6:46am
post #589 of 4869
Quote:
Originally Posted by Jpmboy View Post

you guys need a couple of pints before resuming that discussion. tongue.gif

I don't think that will help, looking at the theories presented so far... heh
post #590 of 4869
Thread Starter 
Quote:
Originally Posted by Raja@ASUS View Post

I don't think that will help, looking at the theories presented so far... heh


If Peter Piper picked a peck of pickled peppers, then what would happen to John Smith's toaster when Dave throws it in the bath water whilst Peter is pecking his peppers.
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