I also have spoken to Asus Taiwan, and the person I spoke with had no idea what pull-ins even were, so you are making good progress.
Ok, what we need is:
- Working phase pull-ins
- Correct vNB/Vtt problem (if possible this may be a hardware level problem)
- tREF setting - for better control over memory
- DRAM Clock & Data drive strength settings - for better control over memory
- CPU, NB and DRAM clock skew in 25ps increments (50ps if 25ps is too fine/difficult for them, but 100ps is way too coarse)
That's just to start with I could suggest a lot more options but I doubt they'd include them.



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