On 2020-09-05 2:11 AM, Jim Mulder wrote:
MVS had simulation for DAS in its program check handler, which allowed SP1.2 and its successors to run on machines which did not have DAS. DAS was first implemented via a microcode update on the 3033. It was never implemented on 158 and 168.
Well, that explains it! :) Cheers, Greg ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
