You had switches? We had to hard-wire the cores... On Mon, Jul 22, 2019 at 11:01 AM Carmen Vitullo <cvitu...@hughes.net> wrote:
> same here, but on a Univac processor we had in school, all done by > switches. > > > Carmen Vitullo > > ----- Original Message ----- > > From: "Gary Weinhold" <weinh...@dkl.com> > To: IBM-MAIN@LISTSERV.UA.EDU > Sent: Monday, July 22, 2019 9:49:38 AM > Subject: Re: Friday! > > I almost remember how to do it on an IBM 1620 and had to do it on an > Amdahl 470 V6 (in two steps). But it was a machine language routine, > but you seem to be referring to perhaps a buit-in function of the > hardware. > > Gary > > BobL wrote: > > > Hi All, > > > > Who remembers how to "ripple core" on a 360/75J? Back in the day, I was > taught that it "wrote un-digit zeros" to all storage locations (main + LCS) > on the box. If course, an IPL was required after this was done. > > > > Not sure how widely it was used. A simple yes or no is OK if you cannot > provide details. 😊 > > > > Thanks! > > BobL > > > Gary Weinhold > Senior Application Architect > DATAKINETICS | Data Performance & Optimization > Phone:+1.613.523.5500 x216 > Email: weinh...@dkl.com > Visit us online at www.DKL.com > E-mail Notification: The information contained in this email and any > attachments is confidential and may be subject to copyright or other > intellectual property protection. If you are not the intended recipient, > you are not authorized to use or disclose this information, and we request > that you notify us by reply mail or telephone and delete the original > message from your mail system. > > > > ---------------------------------------------------------------------- > 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 > -- zMan -- "I've got a mainframe and I'm not afraid to use it" ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
