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This is an archived copy of the work done by Brad Baird, Tom Freestone, Derek Joos, Steve Saunders, and Ryan Woodings to attempt to add ATAPI support to the PJRC MP3 player. This is their original web page. It seemed like a good idea to archive a copy, since these student web pages usually disappear after a while. Here is the final code they wrote.


[1]  Paul J Stoffregen. "High Capacity MP3 Player" PJRC. (

[2]  Charles M. Kozierok. "Overview and History of the IDE/ATA Interface"  The PC Guide. ( )
[3]  Friedhelm Schmidt. The SCSI Bus and IDE Interface Second Edition Addison-Wesley 1997.

[4]  Hale Landis. "ATA and ATAPI Common Questions" ATA-ATAPI.COM (

[5] "Extended IDE Interface" Western Digital Nov. 7, 1999 (
This link no longer works, Western Digital removed that page from their site. Not very nice of them, is it?

[6] T13. "Information Technology AT Attachment with Packet Interface"  NCITS Aug 1998.

[7] Small Form Factor Committee. "Specification of ATA Packet Interface for CD-ROMS SFF-8020i" SFF Jan 22, 1996.


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