These are the various versions of IBM's OS400 which AZScan can review. This operating system is also known as iSeries.

A total of 15 variations of OS/400 are able to be reviewed:
OS400 v5r4
OS400 v5r3
OS400 v5r2
OS400 v5r1
OS400 v4r5
OS400 v4r3
OS400 v4r2
OS400 v4r1
OS400 v3r7
OS400 v3r6
OS400 v3r5
OS400 v3r4
OS400 v3r3
OS400 v3r2
OS400 v3r1