test-drb February 1999

test-drb@ccmp.vtda.org

178 participants
709 discussions

by dogas＠leading.net

Speaking of _Adikesence of P1_ .... Does anyone know the SciAm issue date for the referenced matchbook neural net ??? Thanks - Mike: Dogas(a)leading.net -----Original Message----- From: Derek Peschel <dpeschel(a)u.washington.edu> To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> Date: Thursday, February 18, 1999 1:10 AM Subject: Re: question about viruses >> _Adolesence of P1_ was mid-70s. I just got another copy at a thrift >> store. Is it any good? > >I haven't read most of it. But if you want to learn about: a) how OS/360 >works, and b) how little computer power you really need for an artificially- >intelligent program (*smirk*), this is the book for you.

25 years, 4 months

Differences between hard drives

by dastar＠ncal.verio.com

Can someone tell me the difference between a Memorex Model 101 and Model 102, and between a Fujitsu Model 2301 and Model 2302? Thanks. Sellam Alternate e-mail: dastar(a)siconic.com ------------------------------------------------------------------------------ Always hasslin' the man. Coming in 1999: Vintage Computer Festival 3.0 See http://www.vintage.org/vcf for details! [Last web site update: 02/15/99]

25 years, 4 months

What the hell is this!!! was Re: I need a ST-419 hard drive

by roblwill＠usaor.net

Wouldn't it just be quicker to remove all the partitions? And if the extra time is taken to reformat it, the drive can be sold if it is still usable. In the case that the hole was drilled through it, the drive may have died, leaving no way to reformat it. -- -Jason Willgruber (roblwill(a)usaor.net) ICQ#: 1730318 <http://members.tripod.com/general_1> -----Original Message----- From: musicman38(a)mindspring.com <musicman38(a)mindspring.com> To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> Date: Thursday, February 18, 1999 2:23 PM Subject: Re: What the hell is this!!! was Re: I need a ST-419 hard drive > >--- I opened up the 419 drive, No wonder it failed, someone drilled a 5/16" >>hole thru the cover and all three platters! This thing was mounted under a >>circuit board and inside a steel case. Everything was very neatly put back >>together. Who would go to that much trouble to wreck a drive and why? >> >> Joe > >Gads! I've heard of reformatting old drives for security reasones, but this >one takes the Cake... >Quick and easy way to eliminate a data getting in the wrong hands I guess.. > > >

25 years, 4 months

question about viruses

by allisonp＠world.std.com

<Allison, < Do you remember a worm that some sysadmin (North, South Carolina or <someplace like <that?) turned loose on his systems, back around 89-90, and _forgot_ to <isolate his network from the general DECnet? I sure do.. Spent most of a Yes... I had to put securepak on VIDSYS:: and it was the first time the vax crashed seems there rev levels were a bit off. The machine was never quite as stable after that until I reinstalled when 5.3-2 came out. The istability was an inherited problem from the former sysop and system owner. I still have VIDSYS:: and it's still running 5.4-4 and securepak though I've trimed as much as I dare off. Allison

25 years, 4 months

[OT] Space shuttle explosions and computers (was Re: Who invented the internet?)

by allisonp＠world.std.com

First off it's ok, I'm ok! <Allison wrote: <> FYI the speed attained at <> that point is some 3600mph far from orbital velocity. < <I'm not sure how to parse that. Are you saying that it was traveling at <3600 MPH, which is far from orbital velocity (i.e., a missing comma), or <that it was travelling at 3600 MPH less than orbital velocity? Sorry bout that. I do tend to be a tad graphlexic the comma should have been there. It was velocity of 3600. they need 17500+ to orbit. <(In any case, the use of the word velocity is incorrect. Velocity is <a vector, as I had drilled into me in Physics class.) Their forward speed, velocity. I'm a pilot and am quite used to having vectors influence the direction and speed that is indicated vs ground track. <The NASA reference I posted earlier claims: < At this point in its trajectory, while traveling at a Mach number < of 1.92 at an altitude of 46,000 feet, the Challenger was totally < enveloped in the explosive burn. Downrange groundtrack speed is far lower as the vector is still mostly vertical (still greater than 60degrees) at that part of the mission. If memory serves the debrie field was a rough footprint of 20 wide by 80 miles long (for the greater part of the material). As to what computer... Not sure myself totally. It's my belief that the IBMs are high level systems management computers and they command the engine computers. The engines have their own local computers to handle their realtime needs. Same applies to several other systems. I consider spacecraft/aviation computers to be both classic and of great interest. Most are very system and mission specific thus may be nothing more than sequential controllers. Still, I'm curious. Allison

25 years, 4 months

What the hell is this!!! was Re: I need a ST-419 hard drive

by musicman38＠mindspring.com

--- I opened up the 419 drive, No wonder it failed, someone drilled a 5/16" >hole thru the cover and all three platters! This thing was mounted under a >circuit board and inside a steel case. Everything was very neatly put back >together. Who would go to that much trouble to wreck a drive and why? > > Joe Gads! I've heard of reformatting old drives for security reasones, but this one takes the Cake... Quick and easy way to eliminate a data getting in the wrong hands I guess..

25 years, 4 months

Old CDC/Magnetic Peripheral Drive on DPS6

by enigma＠sevensages.org

I have this weird drive on an old mini (Honeywell DPS6). These things have an internal fixed disk, plus, you have to put in a disk pack in them also. Well, on one of my drives, the belt that runs between the drive spindle and the motor broke. Where can I find a replacement? Manufacturer: Magnetic Peripheral Equip ID# BJ7D3-A Part # 77708003 Series Code 01 Another thing, I think the drive might be refurbished or something. On the serial number on one of them, atleast (the working drive) it has a hand-written "R" after the number. Anybody who can help me, please do. In fact, if you can help me with anything about the DPS6 or with GCOS6, I will be forever thankful. From what I've heard, GCOS6 is sort of a GCOS/Unix hybrid. Should be interesting. Also, if by chance, you know of an old Unix variant that would run on this baby, that could be nice too. I think having an old 7th edition Unix system would be nice. However, I think having GCOS6 would be really nice, too. Regards, J.S. Havard Head Geek The Seven Sages Project Regards, J.S. Havard - ----=(enigma(a)intop.net)=---------------------------------------------- This message was sponsored in part by John Havard. Copywrong (c) 1998 by John Havard under the terms and conditions of no sort of public license. All prices subject to change. Void where prohibited. Tax, title, and license fees not included. All rights reserved. ------------------------=(www.intop.net/~enigma/)=--------------------

25 years, 4 months

What the hell is this!!! was Re: I need a ST-419 hard drive

by mbg＠world.std.com

I doubt it was security concerns, since there are companies which can recover data from all the parts of the platters which weren't drilled. Either that, or the security person who ordered it really doesn't know what they're doing... Megan Gentry Former RT-11 Developer +--------------------------------+-------------------------------------+ | Megan Gentry, EMT/B, PP-ASEL | Internet (work): gentry!zk3.dec.com | | Unix Support Engineering Group | (home): mbg!world.std.com | | Compaq Computer Corporation | addresses need '@' in place of '!' | | 110 Spitbrook Rd. ZK03-2/T43 | URL: http://world.std.com/~mbg/ | | Nashua, NH 03062 | "pdp-11 programmer - some assembler | | (603) 884 1055 | required." - mbg | +--------------------------------+-------------------------------------+

25 years, 4 months

I need a ST-419 hard drive

by rigdonj＠intellistar.net

I need a Seagate ST-419 to replace one that failed in a HP computer. Anyone got one to spare? Joe

25 years, 4 months

Sanyo 550

by musicman38＠mindspring.com

>Phil Clayton wrote: >> >> Purchased a Sanyo MBC 550 today at the local thrift for $3.50.. >> Just the CPU, no monitor or Keyboard.. >> Haven't really tested it yet, but I did power it up with no monitor or keyboard >> and it tried to access drive A: >> Wonder if this thing has any real value. >> Anyone know how many of them were produced ? > >I was over at the thrift store today, and saw a Sanyo MBC 555 and the >monitor for $1.91 each; don't know if it had a keyboard or not. I have >three of them here along with keyboards, and two monitors. Can you get me a monitor & keyboard ? I goto the thrift stores all the time here in Fort Myers, FL and have never seen one of these in all the piles of computers I rumage through all the time. Must depend on where you live. I guess I will box this thing up and add it to my ever increasing collection of obsolite computers taking up more and more space in my garage. And I thought I got a good buy at only $3.50.. <Grin>!!! Phil...

25 years, 4 months

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test-drb February 1999