7.2.15 Marked DEVTYPE- info form from DFSMSdfp "Advanced Services" z/os V1R10.0
Joe Reichman Joe Reichman IT Specialist Master Files Division New Carrollton Federal Building, B7-182 OS:CTO:AD:CP:I:IB Flex M,T,Th,F Home office (240) 863 - 3965 Office (240) 613-4350 Cell (917) 748-9693 TOD M - F 7:30 am - 4:00 pm -----Original Message----- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@listserv.ua.edu] On Behalf Of Elardus Engelbrecht Sent: Thursday, July 21, 2016 12:52 PM To: IBM-MAIN@listserv.ua.edu Subject: Re: DEVTYPE INFO=DASD Reichman Joseph wrote: >The doc says bytes 0 - 3 is cylinders bytes 0 -3 is FFF00000 and bytes 4 - 7 >000FF000 is tracks per cyl ? am I misreading misunderstanding the >documentation What docs? Could you be kind to give us the URL of that source of above info and docs? > I was looking for the capability on a dasd device DEVTYPE > (R6),(AREA,L'AREA),INFOLIST=ILIST2 > ILIST2 DEVTYPE INFO=DASD > AREA DS XL16 Hmmm, interesting application of that useful macro. I must try out this little gem next week on my z/OS v2.1 sandbox when I'm returning to my bread and butter work... ;-) > This was the data returned in area R15 = 0 > FFF00000 000FF000 00000100 08000000 On what z/OS level were you trying to try out that Assembler snippet? How did you obtained the contents of that R15? Via a dump or a MVC or something else? >Mike Schwab wrote: >> FFF00000 000FF000 00000100 08000000 >x'FFF0' would be 65520 cylinders. x'000F' would be 15 tracks per cylinder. >Reasonable for a 3390-54. Indeed. Groete / Greetings Elardus Engelbrecht ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
