Quoting Stefan Reinauer <[EMAIL PROTECTED]>: > * Al Boldi <[EMAIL PROTECTED]> [070309 14:25]: >> Are the datasheets enough to get the board supported by LinuxBIOS? >> >> If so, which board has been supported by only relying on the datasheets? > > This depends on the data sheets. The AMD64 (AMD8111/AMD8131) port has > completely been developed from publicly available data sheets (including > the publically available bios and kernel developers guide). > > Very often, there are no publically available data sheets, or the > publically available versions are censored and do not contain the > required information to write a BIOS/Firmware. This is the case for > basically all modern Intel chipsets. > >> Also, the factory bios contains a lot of ram timing info; can't this >> be used to get a generic/blind LinuxBIOS to init ram, and then payload >> from flash? > > The ram timing info is stored on the RAM modules themselfes, in a small > chip called SPD-ROM (Serial Presence Detect). The BIOS has to look at > each single RAM module and find out a common denominator that works with > all modules used in the system. > > Stefan > > -- > coresystems GmbH • Brahmsstr. 16 • D-79104 Freiburg i. Br. > Tel.: +49 761 7668825 • Fax: +49 761 7664613 > Email: [EMAIL PROTECTED] • http://www.coresystems.de/ > Registergericht: Amtsgericht Freiburg • HRB 7656 > Geschäftsführer: Stefan Reinauer • Ust-IdNr.: DE245674866 > > -- Correct me if I am wrong, can't the SPD-ROM be read through the i2c (smbus). I know, if you have a supported super IO you can use lmsensors to read the SPD-ROM. Would that be helpful in this case?
Thanks - Joe -- linuxbios mailing list linuxbios@linuxbios.org http://www.openbios.org/mailman/listinfo/linuxbios