b54 non-debug ON encumbered binaries available
By Alan Hargreaves-Oracle on Dec 11, 2006
They can be downloaded from The Download Centre. I've also updated the MD5 Checksums for the extra files.
Note that this is the first of the named builds to incorporate the change to usr/src/Makefile to remove the fiddle previously required to do non-debug builds, so have a look at the new instructions.
Dennis Clarke has also written a great step by step guide.