- x86-64 running Red Hat Enterprise Linux 5.3/5.8,6.2
- Intel Itanium running Red Hat Enterprise Linux 5.3/5.5 (64-bit only)
- x86-64 running SuSE Linux (SLES 10 SP2/11 SP2)
- IBM System z running Red Hat Enterprise Linux 5.3/5.5/6.2 (31/64-bit)
- IBM System z running SuSE Linux (SLES 10 SP2/11 SP2) (31/64-bit)
- HP Itanium running HP/UX 11.23/11.31 (32/64-bit)
- IBM System p running AIX 5.3 6.1 TL7 SP3 7.1
Restriction: The IBM Communications Server does not support IA64.
The PL/I features are supported on the following platforms only:
- x86-64 running Red Hat Enterprise Linux 5.3/5.8,6.2
- x86-64 running SuSE Linux (SLES 10 SP2/11 SP2)
- IBM System p running AIX 5.3 6.1 TL7 SP3 7.1
- Sun SPARC running Solaris 10, 11 (32/64-bit)
