/etc/default/edac is in edac-utils 0.18-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 | # If automated loading of driver for EDAC fails for you, specify
# desired driver to be handled by init.d script
#
# EDAC_DRIVER=
|