On Fri, Dec 16, 2016 at 11:01 AM, Pok Gu <[email protected]> wrote:
> Thaiphoon Burne is the most popular and probably the only tool for > modifying the spd.bin. It has many built-in templates and you only need to > select the speed, clocking, and voltage you like (e.g., DDR3-1688/DDR3-1333 > and CL10/CL11 and 1.35V/1.5V) and it will do all the rest calculations and > generate the spd.bin for you. Then, the only thing you need to do is to > flash the spd.bin to the spd chip on the ram, and reboot, and your ram > stick is overclocked. > > Unfortunately, it is only available on Windows. So I have one harddisk > loaded with Windows 7 and Thaiphoon Burne specialized for this work. > > I haven't found any linux software can do this unless you calculate and > modify the spd.bin by hand. (If anyone found one let me know) > Cool - I never knew about that tool. Seems like a good investment if the goal is to generate an spd.bin from scratch. Sebastien - What are you trying to do, exactly? If you only need to change one or two parameters, then a hex editor and a calculator should be sufficient. The relevant specification for SPDs is JEDEC Standard No. 21-C Annex K for DDR3 and Annex L for DDR4. (you'll need to register with jedec.org to download the specs) -- David Hendricks (dhendrix) Systems Software Engineer, Google Inc.
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