Ed Gould wrote: > Randy, > > I still remember in those days the POPS for each model had the " micro > seconds" each instruction took. My memory is sketchy and after the > document was read you had X (I don't remember) many microseconds to > make a decision as to which bin you could send the document to. > > The POPS indicated how many ms each instruction took. Any time a > decision was to be made we had to calculate a total for the path length > so we didn't miss the window. Its been ages so I don't remember a lot > but I don't remember when you decided to send it to bin 0 (example) how > long it took for the selection to happen. I am sure it was documented > somewhere, I just don't remember as it was 30+ years ago. > > Maybe someone with a better memory can pipe up with more explicit > detail than I can provide. > > I still cannot believe that IBM would come up with a machine like that. > That was the only machine that I ever worked on that the timimg was so > critical. >
home page (also lists some of the shadows) http://www.bitsavers.org/ scanned manuals http://www.bitsavers.org/pdf/ here are some old 360 manuals that have been scanned http://bitsavers.trailing-edge.com/pdf/ibm/360/ http://www.bitsavers.org/pdf/ibm/360/ instruction timings were in functional characteristics http://bitsavers.trailing-edge.com/pdf/ibm/360/funcChar/ http://www.bitsavers.org/pdf/ibm/360/funcChar/ and 360/30 functional characteristics http://bitsavers.trailing-edge.com/pdf/ibm/360/funcChar/GA24-3231-7_360-30_funcChar.pdf http://www.bitsavers.org/pdf/ibm/360/funcChar/GA24-3231-7_360-30_funcChar.pdf how 'bout 2540 component description http://bitsavers.trailing-edge.com/pdf/ibm/360/A21-9033-1_2540_CompDescr.pdf http://www.bitsavers.org/pdf/ibm/360/A21-9033-1_2540_CompDescr.pdf 360 instruction timing http://bitsavers.trailing-edge.com/pdf/ibm/360/A22_6825-1_360instrTiming.pdf http://www.bitsavers.org/pdf/ibm/360/A22_6825-1_360instrTiming.pdf 360/30 channel characteristics http://bitsavers.trailing-edge.com/pdf/ibm/360/A24-3411-1_360-30_chanChar.pdf http://www.bitsavers.org/pdf/ibm/360/A24-3411-1_360-30_chanChar.pdf ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
