[coreboot] Re: [AMD 16h / ASUS AM1I-A] 1866MHz CL9 RAM runs only as 1333MHz CL9 - how to fix?

[Kyösti Mälkki]

On Wed, Jul 3, 2019 at 8:54 PM Mike Banon  wrote:
> A pair of 1866MHz CL9 RAM modules* runs only as 1333MHz CL9 on 16h
> AM1I-A with coreboot is installed, but worked faster when a
> proprietary UEFI was installed. To fix this "turtle RAM" coreboot
> problem I tried to play with buildOpts.c -
> https://review.coreboot.org/c/coreboot/+/33920 , but the things like
> "#define BLDCFG_MEMORY_CLOCK_SELECT DDR1866_FREQUENCY" sadly did not
> help.
>
> Any ideas how to improve the RAM speeds? How I can force this RAM to run faster?

Maybe AGESA debugging / IDS tracing is of some assistance? I have not
tried it for a while, though.

https://review.coreboot.org/c/coreboot/+/15320/7

Kyösti