The OS/2 port of Samba
version 3.0.31 has been updated (8/22/2008), and is apparently now
called "version 1.0 for eCS." Provided are both the Samba server, and a
client plugin for the NetDrive Filesystem, which supports 64-bit file
I/O with NDFS 3.0 or higher. It allows you to mount SMB or CIFS shares
on OS/2 without the need of NetBIOS (IBM LAN Manager or IBM Peer).
Source: OS/2 Warp News and Rumors