Table 7-1 shows the supported operating systems for the z900 general purpose and capacity
models.
Table 7-1 Supported operating systems for z900 general purpose and capacity models
Note 1. 31-bit mode is only available as part of the z/OS Bimodal Migration Accommodation
software program. This program is intended to provide fallback support to 31-bit mode in the
event that it is required during migration to z/OS in z/Architecture mode (64-bit).
z900 servers do not support S/370 modes of operations. Therefore, the following VM systems
or functions do not execute on a z900 server ...
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