Hi, > > Is MMC-2 subclass of cardreaders? > If you are looking for the SCSI command set used by ATAPI CD-ROM or DVD > devices then you should go to the T10 site and find the MMC or MMC-2
Yes, MMC is the CD/DVD/Blu-ray part of SCSI. Released is MMC-5 meanwhile. MMC-6 is the current development version, afaik. No references to other devices except the general storage media model for SCSI disks. The complete command set for CD/DVD/BD is covered by SPC-3 (for general commands), SBC-2 (for load/eject) and MMC-5. They include older specs like MMC-2 but omit deprecated parts. So for CD it pays off to also read MMC-1 to MMC-3. SPC-3 mentions SCSI Specification for Optical Card Reader/Writer OCRW [ISO/IEC 14776-381] but that sounds somewhat exotic. Aren't memory cards based on electrical memory ? > Unfortunately you should be a member of T10 to get access to many > documents, MMC-2 is one of them... In the past, the development drafts were free - and mature in their latest versions. The final standards were published as expensive books for 200 to 300 dollar per standard. But now T10 changed policy to 30 dollar per PDF and no free drafts any more. On the other hand, there is nothing new on the market since the last free drafts were published. Have a nice day :) Thomas _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org http://lists.gnu.org/mailman/listinfo/grub-devel
