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Description
Working on updating the drop-in OS support for vm370ce to replace tk4- with the option of MVS Community Edition (based off Jay Mosley's MVS-SYSGEN) and/or tk5-. MVSCE uses 2314 disks at address 220, which are not in DMKRIO.
Adding the 2 lines to DMKRIO to clone the 230 dasd definition to 220 seems low-impact to me, and directly addressing the dasd instead of mapping them in DEDICATE statements in the directory allows them to be directly addressed in the case of running VM370SE in SPMODE (VM on a single processor in a multiprocessor config allowing guests like MVA to run on a dedicated processor and dedicated I/O).
Change only requires 2 lines in DMKRIO ASSEMBLE on the 094 disk, directly above the identical lines defining disks 230-23F:
RDEVICE ADDRESS=(220,16),DEVTYPE=2314
RCTLUNIT ADDRESS=220,CUTYPE=3830,FEATURE=16-DEVICE