S390 and S390x Status
The S390 and s390x ports of Mono were contributed by Neale Ferguson and are currently maintained by the Mono team at Novell.
Mono is part of Suse Linux Enterprise 10 on s390x.
Older Versions
For older versions of SUSE Linux, you can obtain Mono from:
32-bit Packages (s390)
SLES9 - 1.1.7 available SLES8 - 1.1.3 available in archives
64-bit port (s390x) - available starting at revision 54911 in Subversion.