lagcatfour
Posts: 4
Joined: Thu Dec 07, 2017 10:49 pm

What EXACTLY does sdram_schmoo do?

Wed Apr 25, 2018 11:10 am

Hi. I have a raspberry pi 3 model b and I overcooked my ram to 588mhz and an overvoltage number of 2. I heard that sdram_schmoo helps to get to 600mhz but a lot of people use it with exact ram overvoltage. I was thinking, WHAT? WHAT IS SDRAM_SCHMOO?!?!okay, thanks :P :P :D

lagcatfour
Posts: 4
Joined: Thu Dec 07, 2017 10:49 pm

Re: What EXACTLY does sdram_schmoo do?

Wed Apr 25, 2018 11:11 am

Autocorrect...

ejolson
Posts: 1896
Joined: Tue Mar 18, 2014 11:47 am

Re: What EXACTLY does sdram_schmoo do?

Wed Apr 25, 2018 11:47 pm

It seems to adjust RAM drive strength and timings. The best description I've seen is

viewtopic.php?f=28&t=208821&start=125#p1301289

lagcatfour
Posts: 4
Joined: Thu Dec 07, 2017 10:49 pm

Re: What EXACTLY does sdram_schmoo do?

Thu Apr 26, 2018 7:24 pm

Thanks!

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