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101090 discussions

Former Disk Costs (was: 32 bit Macs (was Atari hard ))

by allisonp＠world.std.com

<Do you ever actually use this IMSAI for things like word processing <which could be done on another computer? Do you use Wintel, or is this <your main computer, like Tony has his AT? Well, your can do tons of serious work with one. IT runs several OSs (CPM being well known) Code and application development (asm, basic, Pascal, Cobol, fortran....) word processing Graphics work (with the appropriate board) Accounting spread sheets (multiplan) Games, deadline, Zaxxon, Adventure, chess...long list. In a word most anything you might imagine. My s100 NS* system is one example that is still doing many of those things. Allison

28 years, 2 months

PDP11/34 Being Retired and Scrapped

by icyblackhand＠hotmail.com

I'd like it. Please contact Mike

28 years, 2 months

Former Disk Costs (was: 32 bit Macs (was Atari hard ))

by maxeskin＠hotmail.com

Do you ever actually use this IMSAI for things like word processing which could be done on another computer? Do you use Wintel, or is this your main computer, like Tony has his AT? >This >was mail-order from a wholesaler, in 1993. $287 got me a Maxtor 213MB >SCSI >drive. Which is a little over $1/MB. << > >How about an original Shugart Technology (now Seagate) ST506 drive, >first year they came out? Forget the year now, must have been 1980 or >close to it. It ran me $1500 with a case and power supply, no >controller, all for a gigantic 5MB and a blinding fast 90msec access >time. That would be, oh, about US$300/MB. That much gets you an 18GB >disk these days. I used a Konan controller connected to my IMSAI, >development for Z80 code and BIOS device drivers for CP/M v3 and MP/M. > >I still have that drive, though it doesn't read/write so well now, but >the head still moves ok. The IMSAI has had many a MFM drive since those >days, the Konan (not very good) was replaced by an SDS VersaFloppy III, >and it's due for an upgrade to a 3.5" Tandon 20MB in the near future. I >plan to mount it on a prototype card inside the chassis and eliminate a >cabinet. Maybe even 3.5" floppy if I can find some 720K drives. > >For all you purists who want to keep machines original, what do you do >when the machine in question isn't retired yet, and there are 20 years >worth of upgrades installed? I figure that old IMSAI will be running >for another 5-10 years yet, cranking out the occasional Z80 program. > Jack Peacock > ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

28 years, 2 months

FWD: PDP-11's being retired

by Mzthompson＠aol.com

Found this on comp.sys.dec, please respond directly to him. Mike ============================ Subject: PDP-11's being retired From: "Dave" <synapse(a)halcyon.com> Date: Sat, Jun 6, 1998 14:51 EDT Message-id: <01bd917c$6e480db0$0a0a0a80@mass> We're (finally!) retiring 2 PDP-11/04's, a PDP-11/23 and 2 PDP-11/73 clones (SMS). Anyone have any use for them? The damn things won't die! They're going in the scrap bin if I don't get a response in a week. Send me some mail or give me a call. Dave Duperon (425) 356-5569 (days) (425) 338-7198 (eves)

28 years, 2 months

VCF2 Announcement

by dastar＠wco.com

___________________________________________________________________________ | | | .================================================================. | | // ______ o_ ___________ \\ | | // / \ \ o o o o o o | ____ \ \\ | | H / | | | | | | | | | | \ \ \\ | | H / ____|____|____|____|____|____|____|____|____|____|___ \ \ `=o | | H | | | \ \ | | H | | The Premier Event for Computer Enthusiasts is Back! | \ \__ | | H | | | \ | | | H o | V I N T A G E C O M P U T E R F E S T I V A L |__ \ o | | H | | \ \ | | H \ - VCF2 - | \ `-o | | H | |\ `----o | | H | September 26-27, Santa Clara Convention Center | `-------o | | H / Santa Clara, California | | | H | | | | H | Speakers, Exhibit and Flea Market | | | H | | | | H | O http://www.siconic.com/vcf | | | H |_____________________________________________________| ____o | | H | | | | | | | | | | / | | H | | | | | | | | | |______/ | | H============' | | | | | | | |_________________ | | H / | | \ \ \ |_____________________ | | | H / / | `-o \ \ || | | H o___________/ / \______ \ \ || | | H o \_____|____|___________________ || | | H ____________________________ | | || | | H | | | The S P E A K E R S | || | | `=| Why would YOU come to the | __| |___|| | | _| Vintage Computer Festival? | | | | | | | |____________________________| |-David Rutland | | | | |__________________________________| | | | | ________________________ ___| On the National Bureau of |__ | | | | || || || | / | Standards Western Automatic | | | | .-| To Learn the History |--' | Computer (SWAC). Mr. Rutland | | | | | |__||_||_||______________| | worked under Harry D. Huskey | | | | o ________________________ ___| to create the control unit |____| | | | || || || | / | for this little known but | | | o-| For the Nostalgia |--' | historically significant | | | |__||_||_||______________| | computer. | | | o ________________________ \______| |___o | | | | || || || | | | | | `-| To Hear the Speakers |-._____| FEATURED SPEAKER | o | | |__||_||_||______________| | | / | | ________________________ ____|-Ray Holt |___/ | | | || || || |__/ | | | | .-|To Buy Vintage Computers|-------| Who really invented the |-----o | | | |__||_||_||______________| | first microprocessor? Guess | | | o ________________________ ______| again. The answer will stun |_____ | | | || || || |/ | you. This designer of the | | | | o-|For the Games & Contests|--. | JOLT and developer of the | | | | |__||_||_||______________| \___| classic Synertek SYM-1 sin- | | | | ________________________ __| gle-board computer will re- |_____| | | | || || || | | veal why computer history | | | | o-|To Meet Other Collectors|-o | may need to be re-written. | | | | |__||_||_||______________|___ | | | | | ________________________ \___| |__o | | | | || || || | | * speaker list as of 6/1/98 | | | | o-| To Meet the Pioneers |---. | ____ O | | | | |__||_||_||______________| \ |____________/ \____________| | | | ________________________ \ | | | | || || || | \ | | | .-| For the Prizes! |----. \________________________________o | | | | |__||_||_||______________| \ | | | | \__________________________________ | | | o o________ \ | | | ,=============o \ ______________________________ | | | | // | o__ \ | | | | | | H ___________|________ \ \___| The W O R K S H O P S |___| | | | H | | \ | | | | | H \ Philosophy of the / \ | | | | | H | Vintage Computer |___ \___|-Tom Geller |_____| | | H | Festival... | \ | | | | H / \ \ | Whether you're into game | | | H | The main mission | \_____| consoles, handheld devices, |____o | | H | of the Vintage | | arcade machines or personal | | | H | Computer Festival | | computers, there's a Mac- | | | H | is to promote the |__________| based emulator for you. |____o | | H | preservation of | | | | | H | "obsolete" compu- | | | | | H | ters by offering- | ___| * workshop list as of 6/1/98 |_____ | | H | attendees a chance | / | ____ O | H | | H | to experience the | / |____________/ \____________| H | | H | technologies, peo- | / H | | H | ple and stories | | H | | H | that embody the- | | H | | H | remarkable tale of | | __ ___ __________________ H | | H | the computer revo- | | | |__| | | H | | H | lution. | | | |Someone lucky will|==-----H | | H |____________________| | | | go home with an | H | | H | / | _ | | H | | H o o_/ | (_) | IMSAI 8080 |==--o H | | H _________________________ | | | H | | H o__| VCF2 S P O N S O R S | | | See the VCF web | H | | H | www.haggle.com | | __ | page for details |==--o H | | H____| Dr. Dobb's Journal | |__| |___|__________________| H | | H |_________________________| H | | \\ // | | `=====================================================================' | | | | V2.0 rev 1 http://www.siconic.com/vcf (C) SICONIC 1998 | |___________________________________________________________________________| _ Sam Alternate e-mail: dastar(a)siconic.com ------------------------------------------------------------------------------- Ever onward. September 26 & 27...Vintage Computer Festival 2 See http://www.siconic.com/vcf for details! [Last web page update: 05/30/98]

28 years, 2 months

Lisa Code Name (was: Apple ][ video)

by sinasohn＠ricochet.net

At 08:30 PM 6/4/98 -0500, you wrote: >one. Here's what Newsbytes had to say about it: Where are you getting the Newsbytes quotes? Seems like it would be a great reference. >name. Apple seemed to be into girl's names at the time. The Apple /// >was developed under the project name "Sara." Who was Lisa named after, >anybody know?

28 years, 2 months

Former Disk Costs (was: 32 bit Macs (was Atari hard ))

by sinasohn＠ricochet.net

At 10:12 AM 6/5/98 +1000, you wrote: >it didn't have more was that I was paying for it, and the cost of 8Mb of >memroy and 200Mb of disk, plus computer was lots. You tend to forget how >much disk space used to cost, I've got the bill somewhere for the 200Mb >Quantum SCSI disk - it was over AUD$2K. Total system cost was about $10K :-( I recently came across an old invoice for a hard drive I had bought. This was mail-order from a wholesaler, in 1993. $287 got me a Maxtor 213MB SCSI drive. Which is a little over $1/MB. Nowadays, Price Club has 5/6GB drives for about a nickel/MB. (Of course, my first ever hard disk was a used ST-225 (and HDC) for $250 -- about $10/MB...) --------------------------------------------------------------------- O- Uncle Roger "There is pleasure pure in being mad roger(a)sinasohn.com that none but madmen know." Roger Louis Sinasohn & Associates San Francisco, California http://www.sinasohn.com/

28 years, 2 months

Former Disk Costs (was: 32 bit Macs (was Atari hard ))

by allisonp＠world.std.com

<How about an original Shugart Technology (now Seagate) ST506 drive, <first year they came out? Forget the year now, must have been 1980 or I have a sample from 1980, still working. along the way it was ued to test a disk controller using NEC d7261 in an early XT. BEfore that it was on a multibus 8088 system and it was my first drive when I got a teltek controller. It's still good and I checked reciently it still has the copy of CP/M I last updated in 84ish before bumping up to a Quantum D540. I still have a sa400 that was original to the NS* MDS-A controller (1977) and a later SA400L both working. <For all you purists who want to keep machines original, what do you do <when the machine in question isn't retired yet, and there are 20 years <worth of upgrades installed? I figure that old IMSAI will be running <for another 5-10 years yet, cranking out the occasional Z80 program. My NS* is running a soft sector controller I built in '81(765 based) though the MDS-A is still operational in a netronics box from '79. Both are still in use and used for assorted development work. 20 and 19 years later! Allison

28 years, 2 months

Former Disk Costs (was: 32 bit Macs (was Atari hard ))

by allisonp＠world.std.com

<notes as to what I added and how I did it and why. They're in with the <PERQ manuals, and I regard my manuals as being even more valuable than my <computers. Amen. Allison

28 years, 2 months

Interesting VAXen drive problem

by healyzh＠ix.netcom.com

This is just sort of a FYI message, I've already solved my problem. It started off easy enough, I needed to use one of my Q-Bus VAXen, and was planning on using the big old MV2. Turns out one of it's power supplies is apparently dead :^( Haven't really had time to look into that. No problem says I, I'll just throw one of the disks in my VAXstation II/RC. The disk freaked out and made some really alarming noises. Turns out the RQDX3 is apparently bad. I replaced it, and then it told me the drive was off line. I proceeded to give the system a good checkup, and couldn't find anything wrong, finally I pulled the other HD out of the MV2. It worked just fine. The answer to the problem appears to be that the first HD had been initialized on a Emulex controller which is the primary controller in my MV2, the second one was initialized on a RQDX3 (the secondary controller in the MV2). Both had bootable VMS installs on them, unfortunatly the one I needed was the first, but I've now got that taken care of. Just an interesting and educational problem I thought I'd share. Zane | Zane H. Healy | UNIX Systems Adminstrator | | healyzh(a)ix.netcom.com (primary) | Linux Enthusiast | | healyzh(a)holonet.net (alternate) | Classic Computer Collector | +----------------------------------+----------------------------+ | For Empire of the Petal Throne and Traveller Role Playing, | | see http://www.dragonfire.net/~healyzh/ | | For the collecting of Classic Computers with info on them. | | see http://www.dragonfire.net/~healyzh/museum.html |

28 years, 2 months

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