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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Packet Loss
[email protected] wrote: > > On Fri, 15 Dec 2000 09:24:04 CST, "John R. Grant" said: > > <cringe> > > that would be 9600 bit per inch GCR format 9-track tape, don't you think? > > </cringe> > > At least in the IBM world, the options for 7-track were 200/556/800 bpi > with even or odd parity, and mode=normal/data converter/translator. For > 9-track the options are 800 NRZI, 1600 PE, and 6250 GCR. > > I still have 21 9-track tapes in my office that I need to do something with, > as our last system with 3420-style round tapes is being decomissioned in > the next few months. > -- > Valdis Kletnieks > Operating Systems Analyst > Virginia Tech > > ------------------------------------------------------------------------ > Part 1.2Type: application/pgp-signature -- Hello; Real Men use punched paper tape to store programs and load the boot block, after toggling its binary location on the system console register :) The Gods Who Walk Among Us program in machine code by toggling it in at the console. (I still have some punched paper tape somewhere. I remember feeling impressed when I graduated to punched cards. They didn't tend to crack if you had a string of all bits set to one.) On the other hand, I did tens of thousands of lines of code on IBM punched cards and I never once recall a bug caused by a chad, hanging or otherwise. Regards Marshall Eubanks Multicast Technologies, Inc. 10301 Democracy Lane, Suite 201 Fairfax, Virginia 22030 Phone : 703-293-9624 Fax : 703-293-9609 e-mail : [email protected] http://www.on-the-i.com
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