Processor requirements

IMS 15.3 runs only in z/Architecture® mode on an IBM® System z10® processor or later. IMS 15.3 is the last IMS release that supports running on an IBM System z10 EC or BC (machine type 2097 or 2098) or an IBM System z196 or z114 (machine type 2817 or 2818).

The following table lists the processors supported by IMS 15.3.

Table 1. Supported IBM processors for IMS 15.3
Machine name Machine type
IBM System z10 Enterprise Class (z10 EC) 2097
IBM System z10 Business Class (z10 BC) 2098
IBM zEnterprise® 196 (z196) 2817
IBM zEnterprise 114 (z114) 2818
IBM zEnterprise EC12 (zEC12) 2827
IBM zEnterprise BC12 (zBC12) 2828
IBM z13® 2964
IBM z13s® 2965
IBM z14 3906
IBM z14 ZR1 3907
IBM z15® 8561
IBM z15 T02 8562
IBM z16® 3931
IBM z16 A02 3932
IBM z17® 9175