I was recently moving the diy-efi.org site to a new server home, and I discovered the long-lost mail archives for both the DIY-EFI and GMECM mailing lists! It's a treasure trove of old-school EFI information reaching back to 1994. If interested, you can view the archives here:

http://lists.diy-efi.org/pipermail/diy_efi/
http://lists.diy-efi.org/pipermail/gmecm/

Enjoy!

--Brian