Daniela Engert has refreshed (11/14/2004) a patch to OS2LDR that fixes the OS/2 >64MB memory detection defect found with some recent BIOSes. This release is from June 2003, but wasn't uploaded to Hobbes until now.
http://hobbes.nmsu.edu/cgi-bin/h-search?key=patchldr
Source: OS/2 Warp News and Rumors