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Neil You and I are probably the only people that actually worked that equipment. I remember placing rpg code, inside a compiler deck of cards. Neil Palmer wrote: > > Rob, > > That was a common trick with card machines. I believe the 2560 card > readers (S/360 Mod 20 I worked on back in early 70's - and possible even > the 5424 card readers on the S/3) had a hidden switch under the covers > that doubled their speed (and greatly increased the cost and monthly > maintenance charge). Once you "found" this switch you could flip it and > run the thing at the higher speed. If you needed maintenance, or if the > CE was due for Preventive Maintenance (remember that ! ;-) ) you would > flip the switch back. When he left, you'd change it back again. > > Someone told me an early Burroughs computer (1800 ???) had a switch you > could flip to make it run faster too. > > ...Neil > > Rob Dixon <rob.dixon@erros.co.uk> > Sent by: owner-midrange-l@midrange.com > 2001/07/30 17:45 > Please respond to MIDRANGE-L > > > To: MIDRANGE-L@midrange.com > cc: > Subject: Re: AS/400 > > < big snips > > > In the early 1960's, IBM sold 421 and 444 tabulators (punched card based). > I was > always told that the cheaper and slower 444 was essentially a 421 with a > governor. YOu can buy a multi-user software package today and pay a per > user based > price. But the functionality that is delivered is exactly the same, > whether it is > used by 5 or 5,000 users. Both of these could be called forms of tax. But > user > based pricing allows a small company to purchase a package for a much > smaller price > than a large company and may be less than cost. > > +--- > | This is the Midrange System Mailing List! > | To submit a new message, send your mail to MIDRANGE-L@midrange.com. > | To subscribe to this list send email to MIDRANGE-L-SUB@midrange.com. > | To unsubscribe from this list send email to MIDRANGE-L-UNSUB@midrange.com. > | Questions should be directed to the list owner/operator: david@midrange.com > +--- -- Best Regards Ken Shields Home phone: 905 404-2062 Bus phone 905 725-1144 (326) +--- | This is the Midrange System Mailing List! | To submit a new message, send your mail to MIDRANGE-L@midrange.com. | To subscribe to this list send email to MIDRANGE-L-SUB@midrange.com. | To unsubscribe from this list send email to MIDRANGE-L-UNSUB@midrange.com. | Questions should be directed to the list owner/operator: david@midrange.com +---
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