- test-drb@ccmp.vtda.org - classiccmp.org

OT: X programmer needed for XGameStation IDE

by vcf＠siconic.com

Is there a competent X-Windows programmer in the house? The folks at XGameStation need to port their graphical IDE to a Linux environment. I don't have many more details but if you are interested in learning more then please e-mail me and I'll forward you to the appropriate party. -- Sellam Ismail Vintage Computer Festival ------------------------------------------------------------------------------ International Man of Intrigue and Danger http://www.vintage.org [ Old computing resources for business || Buy/Sell/Trade Vintage Computers ] [ and academia at www.VintageTech.com || at http://marketplace.vintage.org ]

21 years, 7 months

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What fun from a Macintosh SE

by ron.hudson＠sbcglobal.net

I just landed hands on a Mac SE. It is currently running system 6, I only have a bout 2mb of memory and a 20mb hard drive. I even have an imagewriter to go with it!! :^) Will system 7 run ok on this machine? Where's the best place to download software stuff for system 6 and system 7? Anyone have a copy of "macintosh basic" they can spare?

21 years, 7 months

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Free Tandy 1000TL w/ keyboard, monitor

by rich_bramante＠yahoo.com

eBayed 2x with no takers. Machine does have issues. See link for gory details. Let me know if you want it. Pickup in Massachusetts. If you want it bad enough to pay shipping, let me know and we can try to work something out. http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=5116894380&ssPageNa… _______________________________ Do you Yahoo!? Win 1 of 4,000 free domain names from Yahoo! Enter now. http://promotions.yahoo.com/goldrush

21 years, 7 months

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would anyone read a couple of DECtapes for me? (USA)

by gtoal＠gtoal.com

Thank you folks, I have accepted Al Kossow's offer of reading our two DECtapes which are here in America (and I'm keeping Hans Pufal in my back pocket in case any more tapes turn up in Scotland. Fortunately I have big pockets.) Graham

21 years, 7 months

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Emulex MV11 on eBay

by lists＠microvax.org

http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&rd=1&item=5715172371&ssPage… It's guarenteed for 15 days after shipping, $9 postage. I'm currently bidding on it up to $40 but I can't afford it now anyway so i'm letting the list know about it! >___< alex/melt

21 years, 7 months

3
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ASR-33's and Brain Dead "Repair" man...

by dwight.elvey＠amd.com

>From: "David V. Corbin" <dvcorbin(a)optonline.net> > >>>> >>>> If pressing a key doesn't cause the distributor to spin, >>>> then there's a mechanical problem. You want to investigate >>>> the linkage that starts at the ekyboard (the metal strip >>>> that the H-plate slots into should turn counterclockwise >>>> seen from the left side when you press a key, and is >>>> returned to the clcokwise position by the H-plate). Then >>>> trace the linkage via the H-plate to the clutch at the >>>> back. This should engage when the key is pressed. >>>> > >I always get turned around with spacial relationships in the written >word..... > >Comparing the linkage position to the one on my working unit. It is indeed >in the "deactivated" position and does NOT move when a key is pressed [as a >clarication, the "far" ent of the linkage extends through a slot on the >front of the keyboard assembly. On the working unit, qhen no key is pressed, >the end is down, it travels up when the key is pressed and returns down >when the typing unit finishes its cycle. On the new unit this end is always >in the down position]. > >Attempting to move the linkage (but not overly forcing it] is futile. > >Visual inspection of the path [at least what I can see without moving the >typing unit out of the chassis bay], does not reveal anything. Are there any >typical binding points? Should I be thinking about a seized clutch? > >David. > > Hi David This could have been the cause of the fuse blowing. A jammed keyboard reset linkage might have frozen up the clutch causing the motor to stall. You should remove the print assembly and find the cause of the linkage to jam. The clutch may already be toast. If it is not in the locked up state when you turn the motor on, it would have to be slipping ( not good ). Find the linkage problem. You may have to remove the print assembly because the linkage goes under this part. Dwight

21 years, 7 months

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Emulex MV11 on eBay

by meltie＠microvax.org

http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&rd=1&item=5715172371&ssPage… It's guarenteed for 15 days after shipping, $9 postage. I'm currently bidding on it up to $40 but I can't afford it now anyway so i'm letting the list know about it! >___< alex/melt

21 years, 7 months

1
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Enigma

by dwight.elvey＠amd.com

>From: "Antonio Carlini" <a.carlini(a)ntlworld.com> > >>Bizarre. Ebay does not allow me to see that item. It says "due to >>restrictions in your home country" which is utter nonsense. It's >>possible that the UK has export restrictions, but that's not what it >>said... > >Don't you think it's more likely that the Dept. Of Homeland >Security is responsible ... after all, they can't be sure >that you're not a terrorist :-) > >As for UK export restrictions, who knows? The seller >seems to be willing to ship world-wide! > >Antonio > > Hi I'm in the US and have no problem looking at it?? Dwight

21 years, 7 months

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What fun from a Macintosh SE

by dr.ido＠bigpond.net.au

At 07:52 AM 8/20/04 -0700, you wrote: >> Thanks, but I don't have the required long torx screwdriver and case >> cracker > >That reminds me - where can I find such a tool? I've got a pair of dead >Macs I'd like to open up and try to repair. > >tnx. The long torx screwdriver should be available from any good tool shop, though for the longest time I used one made from the tip of a too short torx screwdriver welded to shaft of another screwdriver. I've never seen a case cracker, but I'm not sure why you'd need one. Every compact mac I've opened has came apart easily once the screws were removed.

21 years, 7 months

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FW: ASR-33's and Brain Dead "Repair" man...

by dvcorbin＠optonline.net

On my ASR-33 Looks like it may be a bad transistor in the receive circuit.... Basis for conclusion: 1) switching keyboard units has no effect. 2) disconnecting reader unit has no effect 3) R7 on receive control bord is HOT (to the touch) 4) Selector magnet appears always engaged. 5) Unit does NOT space-out when put in line mode. Now to just find a source for the proper replacement transistors....... David

21 years, 7 months

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rarest computers. was: RE: Xerox Alto Restoration + Emulation

by dwight.elvey＠amd.com

>From: "Vintage Computer Festival" <vcf(a)siconic.com> > >They have a *very* well done restoration page. Cool project! However, I >don't believe their claim to have the only original Alto left in existence >is accurate. Hi I was just wondering. What people on this list consider their rarest computers in their collections. Here is my list 1. Nicolet 80 ( 20 bit mini with core. working condition. Only know of 2 others. I doubt there are more than 10 left anywhere. ) 2. SIM-4 4004 development system ( most likely fewer than 30 left. Running. I only know of 2 others. ) 3. Olivetti M-20 ( Few in the US but maybe a couple hundred in Europe. Z8000 processor. Runs ) 4. Jupiter Ace ( Several hundred most likely exist but unusual in that it had Forth in ROM. Runs ) 5. NC4000 Delta Board ( Most likely only 100 around but most have no idea as to the collectable nature. These might be found in embedded system. These are unique in that they have the Forth processor on them that was designed by NOVIX and Chuck Moore. A 4 Mhz processor could run rings around a 33MHz 80386 of its time. Things like sorting 1000 integers in 19.2ms ) Dwight

21 years, 7 months

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would anyone read a couple of DECtapes for me? (USA)

by gtoal＠gtoal.com

Some time back our project (the Edinburgh Computer History project) organised a trip to Grenoble to meet Hans Pufal and read a box of DECtapes on his PDP9. Since then we've had a few more tapes turn up and I have a couple of them over here in the states. Is there anyone over here who would be willing to read them for us please? We have code to decode the contents; we just need a raw dump of the blocks. I have one which I can mail any time as a test (some old Fortran code, not very historically significant) and if all goes well I will be getting a second one soon from one of our group members which does have some significant code on it that we'd very much like to recover. Drop me a line - gtoal(a)gtoal.com - if you can help. (If you reply here, I'm not being rude by not replying immediately - I read this group in digest format so I get it a day late) Thanks Graham

21 years, 7 months

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Grid 1755 486SLC (looking to purchase)

by timothy.finegan＠cmich.edu

I am look to purchase a Grid 486SLC model 1755. Would you happen to have one for sale? T. Finegan

21 years, 7 months

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***needed: Auerbach books, reports and journals especially. the early ones. Also any early data processing journals and information. reply off list to me directly please.

by esharpe＠uswest.net

***needed: Auerbach books, reports and journals especially. the early ones. Also any early data processing journals and information. reply off list to me directly please. Thanks Ed Sharpe, Archivist for SMECC - - See the Museum's Web Site at www.smecc.org Coury House / SMECC 5802 W. Palmaire Ave. Phone 623-435-1522 Glendale Az 85301 USA

21 years, 7 months

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Places in LA?

by evan947＠yahoo.com

I don't know of a place in LA, but for anyone who's interested, I keep an "On the road: Where to see old computers" directory at the web site for the Computer Collector E-mail Newsletter. The site is http://news.computercollector.com. - Evan

21 years, 7 months

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Places in LA?

by ron.hudson＠sbcglobal.net

Ok, I have more time on my hands than money - Are there places in LA where Classic Computers are found? I like to go look, even if I can't buy :^)

21 years, 7 months

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VT220 guide claimed

by kyrrin＠bluefeathertech.com

The VT220 pocket guide has been claimed. Thanks to those who responded. -=-=-=-=-=-=-=-=-=-=-=- Bruce Lane, Owner & Head Hardware Heavy, Blue Feather Technologies -- http://www.bluefeathertech.com kyrrin (at) bluefeathertech do/t c=o=m "If Salvador Dali had owned a computer, would it have been equipped with surreal ports?"

21 years, 7 months

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Fw: [Test-Equipment] FS: Semi Data Books

by tractorb＠ihug.co.nz

Likely some interest in these here - hence the cross-post (mea culpa!) DaveB, NZ ----- Original Message ----- From: <marv_e_ads(a)juno.com> To: <tractorb(a)ihug.co.nz> Sent: Monday, August 23, 2004 5:58 AM Subject: Re: [Test-Equipment] FS: Semi Data Books > > On Sun, 22 Aug 2004 09:28:35 +1200 "Dave Brown" > <tractorb(a)ihug.co.nz> > writes: >> Marv- >> Could be some interest from the classiccmp (classic computers) >> list-want me to cross post? >> 73 >> Dave, ZL3FJ > > Hi Dave, > Sure... spread the knowledge! > > 73 & Thanks! > Marv WC6W 310 649 3111 > >> >> ----- Original Message ----- >> From: <marv_e_ads(a)juno.com> >> To: <forsale-swap(a)mailman.qth.net>; <ham4sale(a)yahoogroups.com>; >> <test-equipment(a)mailman.qth.net> >> Sent: Saturday, August 21, 2004 1:54 PM >> Subject: [Test-Equipment] FS: Semi Data Books >> >> >> > *** Semiconductor Data Books -- Mostly like new. >> > Probably can't order much from these but, >> > they may be useful to service a 2nd Millennium relic >> > $8 per pound including media rate shipping *** >> > >> > Altera Data Book 1995 >> > >> > AMD >> > AM29PL141 Fuse Programmable Controller 1987 >> > Analog & Communication Products 1983 >> > Array Processing & Digital Signal Processing 1986 >> > Bipolar Microprocessor Logic & Interface 1985 >> > Bus Interface Products 1988 >> > E2Prom Am2864AE/BE 1988 >> > LCA Applications Handbook 1988 >> > Memory Products 1989/90 >> > Microcontrollers 1988 >> > MOS Microprocessors & Perhiperals 1987-1988 >> > Pal Device Handbook 1988 >> > PGA 3000 Series 1988 >> > Programmable Logic 1987 >> > >> > Anadigics >> > Communications IC Data Book 1998 >> > >> > Analog Devices >> > ADSP-2100 User's Manual 1989 >> > ADSP-2101/2102 User's Manual 1990 >> > ADSP-2101/2102 Emulator Manual 1990 >> > ADSP-21020 Users Manual 1991 >> > ASSP-21065L User's Manual 1998 >> > DSP Products Data Book 1989 >> > New Products Update Summer 1999 >> > Short Form Designer's Guide Winter 1999 >> > >> > Anaren >> > RF & Microwave Components Catalog 2001 >> > >> > Atmel >> > Nonvolatile Memory 1996 >> > >> > AT&T >> > Analog Integrated Circuits 1989 >> > Communications Devices 1988 >> > DSP16 & DSP16A Digital Signal Processor 1989 >> > DSP16-DS Digital Signal Processor Development System 1987 >> > DSP32C Digital Signal Processor June 1988 >> > DSP32C Digital Signal Processor Dec. 1988 >> > DSP32C Application Software Library 1989 >> > Microelectronic Products Selection Guide 1993 >> > >> > Avantek >> > Microwave & Millimeter Wave Amplifiers 1989 >> > >> > Burr-Brown >> > Handbook of Personal Computer Instrumentation 4th Edition >> > >> > California Micro Devices Corp. >> > Microcircuits Data Book 1989 >> > >> > Catalyst Semiconductor Data Book 1996/97 >> > >> > Dallas >> > DS5000 Soft Microcontroller 1990 >> > >> > Datel >> > DC/DC Converters 1999 >> > >> > Dynex Semiconductor >> > Power Semiconductors Product Guide 2000 >> > >> > Ferranti >> > VMOS Data Book 1981 >> > >> > Fujitsu >> > Bipolar Memory Products 1989 >> > Memories 1986-87 >> > Progammable Memory Products 1990 >> > Wireless Communication Products 1996 >> > >> > Gennum Data Book 1992 >> > >> > Harris >> > BiCMOS FCT Interface Logic 1990 >> > CMOS Digital Data Book 1986 >> > Intelligent Power ICs 1992 >> > Linear ICs for Commercial Applications 1990 >> > Power MOSFET's, IGBT's, Rectifiers, etc. 1991 >> > >> > Hitachi >> > 8 Bit Single-Chip Microcomputer Data Book 1985 >> > DRAM Data Book 1991 >> > Power Diodes 1999 >> > Wireless Communications Data Book 1995 >> > >> > Holtek >> > Remote Control Data Book 1995 >> > >> > Honeywell >> > Signal Processing Technologies 1988 >> > >> > Inmos Data Book 1987 >> > >> > Integrated Circuit Systems Short Form Catalog 1999 >> > >> > Integrated Device Technology >> > HIgh Performance Logic 1992 >> > Specialized Memories 1990/91 >> > SRAM 1991 >> > >> > Intel >> > 386 SL Microprocessor Superset Data Book 1991 >> > 386 SL 3 different booklets 1991 >> > 486 SX Microprocessor Data Book 1992 >> > CHMOS Components Handbook 1985 >> > Flash Memory (2 Book set) 1997 >> > iAPX 88 Book 1981 >> > Introduction to the iAPX 286 booklet 1982 >> > i960 CA Microprocessor Users Manual 1991 >> > i960 CA SA/SB Reference Manual 1991 >> > i960 KA/KA Programmer's Reference Manual 1991 >> > Memory Components Handbook 1986 >> > MCS-80/85 Family User's Manual 1986 >> > Microcommunications Handbook 1988 >> > PLDshell Plus/PLDasm User's Guide v3.1 1993 >> > Programmable Logic Handbook 1988 >> > Programmable Logic 1993 >> > >> > Intersil >> > Product Selection Guide 2000 >> > >> > M/A COM >> > E-Series RF Signal Processing Devices 1995 >> > RF, Microwave & mm Wave, MMIC, Hybrid & Passive Comp. 1994 >> > RF, Microwave & mm Wave, Coax Connectors, Adapters, Tools & Accy. >> >> > 1996 >> > RF, Microwave & mm Wave, Single & Multi-Function Components & >> > Subassemblies 1996 >> > >> > Microchip >> > Embedded Control Handbook V.1 1997 >> > Third Party Guide 1996/1997 >> > >> > Micron >> > DRAM 1997 >> > Flash Memory 1998 >> > Specialty DRAM 1993 >> > SRAM 1997 >> > >> > Mitsubishi >> > Audio 1982 >> > GaAs FET's 1986 >> > General Purpose IC's 1987 >> > Memories 1989 >> > Video 1982 >> > >> > Monolithic Memories >> > LSI Databook 1985 >> > >> > Mosel CMOS (Memories) Data Book 1990 >> > >> > Motorola >> > 16/32-Bit Microcomputer System Components >> > BiCMOS Logic 1990 >> > Direct Memory Access Controller (DMAC) MC68450 1986 >> > Dual Asychronous Receiver/Transmitter (DUART) MC68681 1985 >> > I960 Data Booklets (5 different) 1992-1993 >> > IBM PC/XT/AT Floppy Disk Controller Family 1992 >> > Industrial Control Unit MC14500B 1977 >> > M68HC11 Programmer's Reference Manual 1985 >> > MC68020 32-Bit Microprocessor User's Manual, 2nd edition 1985 >> > Neuron Chip Distributed Communications & Control Processors 1992 >> > Raster Memory Controller (RMC) MC68487 1986 >> > SCSI Protocol Controller (SPC) 1992 >> > X.25 Protocol Controller (XPC) MC68605 1986 >> > >> > National >> > 48 Series Microprocessors Handbook 1980 >> > Analog & Interface Products Databook w/CD ROM 1999 >> > Application Specific Analog Products 1995 >> > COP8 Development Tools 1995 >> > EEPROM Databook 1985 >> > Embedded System Processor Databook 1989 >> > FACT Advanced CMOS logic Databook 1993 >> > IDM2900 Family Microprocessor Databook 1980 >> > Linear 1975 >> > Low Voltage Databook 1992 >> > Crossvolt Low Voltage Logic Databook 1994 >> > Interface Databook 1988 >> > Interface Data Transmission 1994 >> > Mass Storage 1986 >> > Microcontroller Databook 1987 >> > Microcontrollers Databook 1988 >> > Military/Aerospace Selection Guide 1992 >> > NSC800 Microprocessor Family Databook 1985 >> > NS16000 Databook 1993 >> > Series 32000 Databook 1984 >> > Voltage Regulator Handbook 1975 >> > >> > NEC Electronics >> > 16 Bit V Series Microprocessors 1991 >> > Application Specific Standard Products 1994 >> > Display Driver IC's Data Sheet Pack 1990 >> > DSP & Speech Processor Products 1992 >> > Memory DRAM, DRAM modules, Video RAM's 1993 >> > Memory SRAM, ASM, EEPROM 1993 >> > Microcomputer Products Shortform Catalog 1991 >> > Optical Semiconductor Devices Data Sheet Pack 1991 >> > Single Chip Microcontroller Data Book 1990 >> > VLSI MOS Memory RAM/ROM & Memrory Cards 1997 >> > >> > NCR Data Book 1985 >> > >> > Oki >> > Codec/Echo Canceller Family 1997 >> > Memory 1990 >> > Microcontroller 1990 >> > Microprocessor 1989 >> > Voice Synthesis LSI 1990 >> > >> > Phillips >> > Ferrocube Soft Ferrites & Accessories 2000 >> > PSD3XX Programmable Microprocessor Peripherals 1993 >> > RF Power Transistors 1989 >> > >> > Pioneer Semiconductor >> > High Performance CMOS/BiCMOS Data Book 1993 >> > >> > Quality Semiconductor >> > FCT Logic & Clock Management 1995 >> > Quick Switch Products 1995 >> > Specialty Memory Products 1995 >> > 3 Short form guides plus Dual Port Ram book 1995/6 >> > >> > RCA >> > Advanced CMOS Logic IC's 54/74 AC & 54/74ACT Series 1987 >> > High Speed CMOS Logic IC's 54/74 HC & 54/74HCT Series 1986 >> > Power MOSFET's 1984 >> > >> > RF Micro-Devices >> > Silicon Innovations 1998 >> > 2000 Designer's Handbook w/CD ROM >> > >> > Rockwell >> > C19 Microcomputer Technical Reference Manual (Preliminary) 1990 >> > C29/C39 Microcomputer Technical Reference Manual (Preliminary) >> 1993 >> > >> > Samsung >> > Linear IC Data Book 1988 >> > >> > Sharp >> > Memory Data Book 1993 >> > >> > Siemens >> > 8-Bit Single-Chip Microcontroller Handbook 1989/90 >> > Bipolar LSI Data Manual 1984 >> > Memory Components 1994 >> > Microcontrollers, Microprocessors, Peripherals & Memory 1988/89 >> > >> > Signetics >> > FAST Data Manual 1987 >> > Microcontroller Users' Guide 1989 >> > Programmable Logic Data Manual 1987 >> > >> > Silicon Systems >> > Storage Products Data Book 1994 >> > >> > Simtek Data Book 1994 >> > >> > Sipex >> > Data Conversion Products 1995 >> > Hybrid Systems DataLinear 1988 >> > Inteface Products 1994 >> > >> > Sony >> > A/D, D/A Converters 1990 >> > Discrete Semiconductor 1992 >> > Memory 1993 >> > >> > Stanford Microdevices >> > Wireless Products Catalog 1998 >> > >> > Standard Microsystems Catalog 1986 >> > >> > Startech (An Exar Company) >> > Catalog 1996 >> > Shortform Catalog 1995 >> > >> > Telcom Semiconductor Data Book 1997 >> > >> > Telefunken >> > Diodes 1988 >> > Integrated Circuits Radio & Audio 1986 >> > Integrated Circuits for Telecommunication 1987 >> > Microwave/UHF/VHF IC's & Tuner Modules 1988 >> > Optocouplers 1987 >> > Power Transistors 1989 >> > Transistors for AF & Switching Applications 1985 >> > Transistors for RF Applications 1985 >> > >> > Texas Instruments >> > ALS/AS Logic Data Book 1986 >> > Advanced Logic & Bus Interface Logic 1991 >> > Data Transmission Circuits - Line Ciruits 1995/1996 >> > Gallium Arsenide Products / Monolithic Microwave Integrated >> Circuits >> > 1994. >> > Linear Circuits 3V Family 1994 >> > MSP58C80 Mixed Signal Processor User's Guide 1995 >> > Master Selection Guide 1986 >> > TMS370 Family Data Manual 1990 >> > TMS1000 Series Preprogammed & Standard Devices 1982 >> > TMS7000 Family Data Manual 1986 >> > TMS320C1x User's Guide 1989 >> > TMS320C2x User's Guide 1987 >> > TMS320C3x User's Guide 1990 >> > TMS320C5x User's Guide 1993 >> > TMS320C64x & TMS320C55x Technical Lit. Kit 2000 >> > TMS320C14/TMS320E14 User's Guide 1988 >> > TMS320 Family Development Support 1989 >> > TPIC6595 Power+ Logic 1992 >> > TSP50C)x/1x Speech Synthesizer Family 1994 >> > Progammable Logic Data Book 1988 >> > Progammable Logic Qualification Data 1988 >> > Gallium Arsenide Products Designer's Information 1992 >> > Operational Amplifier Selection Guide 1993 >> > Linear Products Surface Mount Availablity Guide 1994 >> > >> > Thompson (Mostek) >> > Communications Products 1987 >> > Memory Data Book 1987 >> > Microprocessors & Peripherals 1987 >> > >> > Toshiba >> > 1M DRAM, 1M VRAM 1991 >> > Bipolar IC 1989 >> > CMOS Logic TC74AC/ACT Series, TC74HC/HCT Series 1990 >> > Diode Databook 1984 >> > Microcomputer Peripheral Controller LSI's 1990 >> > Mos Memory 1986 >> > Speech Devices 1988 >> > Static Ram 1992 >> > TMP68HC05, TMP68HC11 1990 >> > >> > TriQuint >> > Wireless Communication 1997 >> > >> > TRW >> > GaAs Telecom Products 1998 >> > >> > Vitelic >> > Memory Data Catalog 1990/91 >> > >> > VTC >> > High Performance Integrated Circuits 1985 >> > >> > Western Digital >> > Components Handbook 1983 >> > Network Products Handbook 1983 >> > Storage Management Products Handbook 1986 >> > >> > Xecom Catalog 1990 >> > >> > Zilog >> > Discrete Z8 Microcontrollers 1994 >> > Infrared Remote Controllers 1993 >> > Keyboard & Mouse/Pointing Devices 1993 >> > Mass Storage Solutions 1993 >> > Serial Communication Controllers 1993 >> > High-Speed Serial Communication Controllers 1993 >> > >> > Zytrex >> > ZX54/74ACHT & ZX54/74HCTLS Logic Familes 1985 >> > >> > >> > All of the above, $8 per pound including media rate shipping >> > >> > Contact: Marv WC6W 310 649 3111 (reasonable hours Pacific >> Time >> > please) >> > or via: Marv_E_Ads(a)Juno.com >> > >> > >> > >> > >> > >> > * >> > >> > ________________________________________________________________ >> > The best thing to hit the Internet in years - Juno SpeedBand! >> > Surf the Web up to FIVE TIMES FASTER! >> > Only $14.95/ month - visit www.juno.com to sign up today! >> > _______________________________________________ >> > Test-Equipment mailing list >> > Test-Equipment(a)mailman.qth.net >> > http://mailman.qth.net/mailman/listinfo/test-equipment >> > >> >> >> > > ________________________________________________________________ > The best thing to hit the Internet in years - Juno SpeedBand! > Surf the Web up to FIVE TIMES FASTER! > Only $14.95/ month - visit www.juno.com to sign up today! >

21 years, 7 months

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Need help in finding old aritcle

by jrkeys＠concentric.net

For a grant I'm trying to get for the museum I need help in locating Knight-Ridder newspapers in the US and around the world that carried an article back in March 2000 about my collecting computers. The article was titled "collecting the classics" and was in the St. Paul (MN) Pioneer Press back on Monday March 13, 2000. Some of you remarked that your local paper carried the story also. If anyone remembers seeing it please email me the name of your local paper so that I can contact them. I need 3 US papers and 1 international paper. Thanks

21 years, 7 months

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Kirk Davis?

by healyzh＠aracnet.com

Does anyone happen to have a current email address for Kirk Davis? The one he had a few months ago no longer works. Zane -- -- | Zane H. Healy | UNIX Systems Administrator | | healyzh(a)aracnet.com (primary) | OpenVMS Enthusiast | | | Classic Computer Collector | +----------------------------------+----------------------------+ | Empire of the Petal Throne and Traveller Role Playing, | | PDP-10 Emulation and Zane's Computer Museum. | | http://www.aracnet.com/~healyzh/ |

21 years, 7 months

2
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Enigma

by geoffreythomas＠onetel.com

Is this the real thing ? http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&category=3284&item=226295693 8&rd=1 Anyone with deep pockets ? Geoff.

21 years, 7 months

8
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Looking for 11/34 parts

by wacarder＠usit.net

I'm also looking for a spare set of 11/34 boards. Anyone got an 11/34 they wanna part out or find a good home for? My console board (M7859) is misbehaving and I need to find a good one. Contact me off list if you have anything of interest. Ashley

21 years, 7 months

2
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Heathkit ID-5001 weatherstation

by dickset＠amanda.spole.gov

Does anyone on the list have any docs on the Heathkit ID-5001 weatherstation? I'm especially interested in schematics for the PSU board (I have no backlight, and one of the transistors gets _really_ hot), and the RS-232 command set. I've been googling for a while, and I've found a couple of interesting sites (like the one that sells aftermarket temp sensors to substitute for the LM3911 that the station comes with), but no abundant source of info. Thanks for any tips, -ethan -- Ethan Dicks, A-130-S Current South Pole Weather at 22-Aug-2004 00:30 Z South Pole Station PSC 468 Box 400 Temp -88.2 F (-66.8 C) Windchill -129.5 F (-89.8 C) APO AP 96598 Wind 11.1 kts Grid 052 Barometer 675.8 mb (10784. ft) Ethan.Dicks(a)amanda.spole.gov http://penguincentral.com/penguincentral.html

21 years, 7 months

2
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DEC MS02 8MB DIMM

by vcf＠siconic.com

I found a DEC MS02 8MB DIMM today that I grabbed for the hell of it. I'm not sure what system it's for (probably some manner of VAX) but I probably don't need it. If anyone can use it, PayPal me $10 (includes shipping) and it's yours. -- Sellam Ismail Vintage Computer Festival ------------------------------------------------------------------------------ International Man of Intrigue and Danger http://www.vintage.org [ Old computing resources for business || Buy/Sell/Trade Vintage Computers ] [ and academia at www.VintageTech.com || at http://marketplace.vintage.org ]

21 years, 7 months

2
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Borland Turbo Pascal Manual Set (7.0)

by jeff.kaneko＠juno.com

The manual set has been claimed. Thanks to all who responded . . . Jeff On Fri, 20 Aug 2004 18:38:41 -0700 jeff.kaneko(a)juno.com writes: > > I think this is a complete Turbo Pascal Manual Set for ver 7.0: > > Programmers Reference > Language Guide > User's Guide > TurboVision Programming Guide > > If you need the floppies also, ask. > > This one is free plus postage, will be tossed if no takers. > > > > Jeff > > ________________________________________________________________ > The best thing to hit the Internet in years - Juno SpeedBand! > Surf the Web up to FIVE TIMES FASTER! > Only $14.95/ month - visit www.juno.com to sign up today! > > ________________________________________________________________ The best thing to hit the Internet in years - Juno SpeedBand! Surf the Web up to FIVE TIMES FASTER! Only $14.95/ month - visit www.juno.com to sign up today!

21 years, 7 months

1
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Borland Turbo Pascal Manual Set (7.0)

by jeff.kaneko＠juno.com

They've been claimed, thanks for responding! Jeff On Fri, 20 Aug 2004 22:44:02 -0500 Kevin Monceaux <Kevin(a)rawfeddogs.net> writes: > Jeff, > > On Fri, Aug 20, 2004 at 06:38:41PM -0700, jeff.kaneko(a)juno.com > wrote: > > > > I think this is a complete Turbo Pascal Manual Set for ver 7.0: > > > > Programmers Reference > > Language Guide > > User's Guide > > TurboVision Programming Guide > > > > If you need the floppies also, ask. > > > > This one is free plus postage, will be tossed if no takers. > > > > > > > > Jeff > > I'll give the set a home, floppies and all. I haven't done anything > with > Turbo Pascal in years but was quite fond of it at one time, back > when I was > learning Pascal on a VAX 11/750. The programming class allowed > students to > write their programs in the computer lab on the VAX or at home with > Turbo > Pascal. I did some on the VAX and some at home. Ah, the memories. > I'd > hate to see it get tossed. > > > Kevin > http://www.RawFedDogs.net > > ________________________________________________________________ The best thing to hit the Internet in years - Juno SpeedBand! Surf the Web up to FIVE TIMES FASTER! Only $14.95/ month - visit www.juno.com to sign up today!

21 years, 7 months

1
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PDP 11/84 PSU wiring / differences

by julesrichardsonuk＠yahoo.co.uk

We were trying to find out why the left half of our PDP 11/84's backplane is dead earlier. Seems like it's not getting any power at all supplied to it. The system's got two power supplies in it - an H7202-KA which runs the right (working) side of the backplane, and an H7202-KB which runs the left side (and seems to be dead) Now, the left hand power supply is fed AC from a cable that plugs into a large mains filter on the left side of the cabinet, halfway up and midway between front and back of the chassis. AC is getting as far as the PSU, but there's nothing on the +5V output. There seem to be no fuses in the PSU itself, and no obvious sign of problem. Initial questions: 1) It seems that AC input is always available to the PSU with the power switches on though, so the PSU must be started via a signal over the ribbon cable that plugs into the PSU? 2) As well as AC input to the left hand PSU, there's also a pair of wires (yellow and green) which terminate in a plug up by the mains filter. There's nothing which obviously plugs into this - any ideas what it does? 3) What's the difference between the two supply types? The rightmost one is identical to the left, but with the addition of a second vertical board inside, and also runs the blower fan at the front of the machine. Is it just that it provides voltages other than +5V to the system? It's possible that we can source another supply in the near future, but I'm not yet convinced that the supply is actually dead - has anyone got a list of what the various lines connected to the supply actually do? cheers, Jules

21 years, 7 months

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IBM 5100

by ken＠seefried.com

From: Christian Corti <cc(a)corti-net.de> > >You can't change the microcode of the PALM processor. That would be like >changing the microcode of e.g. a MC68000. > Actually....you can do that. The IBM {PC,XT,AT}/370 card(s) (ISA-bus card that put a "baby" IBM S/370 on your desktop) had a CPU that was a re-microcoded 68000 (emulating some subset of the IBM S/370 mainframe instruction set). IBM licensed the architecture from Motorola. Probably got familiar with it building the IBM 9000 Instruments System. That, of course, doesn't mean you could do it on a PALM. Ken

21 years, 7 months

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univac 90/30

by aek＠spies.com

appears to have gone to a german collector anyone know who this is? http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=162&item=3740834255

21 years, 7 months

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Hard drive for PERQ on EBAY?

by wmaddox＠pacbell.net

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=1247&item=5115883008… This looks like the drive in my old PERQ 1 at CMU. Anyone need one for their PERQ? --Bill

21 years, 7 months

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bacci man

by aek＠spies.com

www.bitsavers.org/pdf/hp/21xx/interfaces/12966-60001_BACCI_Apr84.pdf

21 years, 7 months

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Borland Turbo Pascal Manual Set (7.0)

by jeff.kaneko＠juno.com

I think this is a complete Turbo Pascal Manual Set for ver 7.0: Programmers Reference Language Guide User's Guide TurboVision Programming Guide If you need the floppies also, ask. This one is free plus postage, will be tossed if no takers. Jeff ________________________________________________________________ The best thing to hit the Internet in years - Juno SpeedBand! Surf the Web up to FIVE TIMES FASTER! Only $14.95/ month - visit www.juno.com to sign up today!

21 years, 7 months

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RL02/RL01 drive rails needed

by wacarder＠usit.net

Does anyone out there have any mounting rails for a DEC RL02 or RL01 drive? I have two good RL02 drives that I want to rack, but they are missing both the rails that go in the rack and on the drives. If anyone has rails they want to get rid of, please contact me off-list. Thanks, Ashley

21 years, 7 months

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Misc. |d|i|g|i|t|a|l| OpenVMS Docs for Sale

by jeff.kaneko＠juno.com

The DEC books have been claimed. Thank you for your attention . . . . Jeff On Fri, 20 Aug 2004 18:27:03 -0700 jeff.kaneko(a)juno.com writes: > > Once again, I would favour takers for the whole lot, but would > consider splitting them up if no one wants all of them . . . > I can ship book rate to US addresses. > > These titles are all published by |d|i|g|i|t|a|l| > > Guide to DECthreads, Nov. 1996 > VAX MACRO and Instruction Set Reference Manual, May 1993 > OpenVMS EDT Reference Manual, May 1993 > Guide to Managing Pathworks Licenses, Feb. 1995 > Pathworks Ver. 5.1 Migration Guide, Aug 1994 > DECwindows Motif Ver. 1.2-4 for OpenVMS Installation Guide, Apr. > 1996 > Pathworks for OpenVMS (NetWare) Server Admin Guide, Feb. 1995 > DEC C Language Reference Manual, Nov 1995 > DEC C Run-Time Library Reference Manual for OpenVMS, Nov. 1995 > DEC C User's Guide for OpenVMS Systems, Nov. 1996 > > Asking $10 (plus postage) for the lot. If no takers, they get > turned into litterbox filler . . . . > > Jeff > > ________________________________________________________________ > The best thing to hit the Internet in years - Juno SpeedBand! > Surf the Web up to FIVE TIMES FASTER! > Only $14.95/ month - visit www.juno.com to sign up today! > > ________________________________________________________________ The best thing to hit the Internet in years - Juno SpeedBand! Surf the Web up to FIVE TIMES FASTER! Only $14.95/ month - visit www.juno.com to sign up today!

21 years, 7 months

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HP 12966 BACI

by jwest＠classiccmp.org

I seem to have misplaced my docs for this card, and my cable came apart so it needs to be rebuilt. Can't find it on bitsavers... does anyone have the docs in pdf for this card? Thanks! Jay West

21 years, 7 months

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What fun from a Macintosh SE

by cb＠mythtech.net

>Thanks, but I don't have the required long torx screwdriver and case >cracker >tool, and I am a little scared to crack open the case, mean evil nasty >high voltages live >in there. Besides I might bust something inside and that would be bad. Screw driver, as others have mentioned can be bought at Sears. Case cracker you can also get at Sears. Buy a smallish spring wood clamp, then remove the rubber protective tips. The blade tips will then fit into the case crack, squeeze the clamp, and it pops the case open. Or you can do the Shake and Bounce method of loosening the case... but I don't recommend that. If you have to do a forceful method, do the light tapping around the edges method (or just pick up the dang clamp when buying your screwdriver!) As for the voltages, there isn't anything readily accidentally touched inside. The Analog Board (the one with the lethal power), is mounted in such a way that you can't accidentally touch the inside of it. You have to try to reach in and do it. And the back side of the board (that you can accidentally touch) is covered with an insulating sheet, so you can touch away and nothing will happen. HOWEVER, removal of the logic board, so you can upgrade the RAM, can lead you to needing to reach into the lethal zone. The board was designed to slide about 1/2 inch and then release from one side of the cage, letting you tip the board out and then disconnect the power, floppy, hard drive (if there is one) and sound. However, I've yet to run into an SE that the cables are really long enough to let you do that with any ease. It has always been MUCH easier to reach under the CRT, and disconnect all but the sound while the logic board is still in place in the cage. THEN remove it from the cage and disconnect the sound. So there is a little bit of "danger", but it isn't anything to really worry too much about. I'd be happy to supply you with a PDF of the take apart manual along with the SIMMs if you wanted. -chris <http://www.mythtech.net>

21 years, 7 months

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Misc. |d|i|g|i|t|a|l| OpenVMS Docs for Sale

by jeff.kaneko＠juno.com

Once again, I would favour takers for the whole lot, but would consider splitting them up if no one wants all of them . . . I can ship book rate to US addresses. These titles are all published by |d|i|g|i|t|a|l| Guide to DECthreads, Nov. 1996 VAX MACRO and Instruction Set Reference Manual, May 1993 OpenVMS EDT Reference Manual, May 1993 Guide to Managing Pathworks Licenses, Feb. 1995 Pathworks Ver. 5.1 Migration Guide, Aug 1994 DECwindows Motif Ver. 1.2-4 for OpenVMS Installation Guide, Apr. 1996 Pathworks for OpenVMS (NetWare) Server Admin Guide, Feb. 1995 DEC C Language Reference Manual, Nov 1995 DEC C Run-Time Library Reference Manual for OpenVMS, Nov. 1995 DEC C User's Guide for OpenVMS Systems, Nov. 1996 Asking $10 (plus postage) for the lot. If no takers, they get turned into litterbox filler . . . . Jeff ________________________________________________________________ The best thing to hit the Internet in years - Juno SpeedBand! Surf the Web up to FIVE TIMES FASTER! Only $14.95/ month - visit www.juno.com to sign up today!

21 years, 7 months

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HP 9133XV disc drive question

by vp＠cs.drexel.edu

"RHahm" <rhahm(a)nycap.rr.com> wrote: > I recently aquired an HP 9133XV combination 3.5" floppy and 15M HD with an > HPIB interface and Amigo protocol. > > I tried to use the drive with an HP 86B and an HP 85B computer. The floppy > works fine but the computer will not recognize the hard drive. The HD seems > to spin up normally. Do you have the option 010 for your 9133XV. The HP product catalog implies that only opt 010 works with the Series 80. In general Series 80 computers cannot really deal with a hard drive. They only know about floppies, and since they have only one-level directories, there is little to be gained from large capacity hard drives. So HP cheated. Since (at that time) hard drives were small (5 to 10 Mb), they provided special firmware on the hard drive to create 4 hard partitions, each the size of the largest floppy drive recognized by the Series 80. So the HP 9133A 4.6 Mb hard drive is split into 4 1.2Mb volumes. However for late Series 80 models, HP did something else as well. An intriguing note in the HP catalog says: > The HP 9133B and the HP9134B are single volume 9.6M byte Winchesters > which can operate with the HP-85B or the HP-86B; they can also operate > with an HP-86A or HP-87 when used with an 00087-15012 Electronic Disc > ROM and ROM drawer. 9.6M byte Winchesters are supported under native > mode. What the ^%@#$@ does this mean? Does the Electronic Disc ROM contain code to soft partition a 9.6Mb volume? I do have an Electronic Disc ROM for my 87XM, but I have neither the documentation nor a suitable Winchester. Any clues are welcome. **vp

21 years, 7 months

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Enigma

by dwight.elvey＠amd.com

Hi It is more likely that his service includes other countries that restrict encription machines. I don't think the US restricts looking at encription machines. Dwight >From: "Antonio Carlini" <a.carlini(a)ntlworld.com> > >> I'm in the US and have no problem looking at it?? >> Dwight > >They have limited resources so obviously they cannot >implement everything over night. Stage one blocks >and monitors people with funny foreign names ... >you're probably stage two (that's people who >miss smileys and so can't be that suspicious :-)). > >FWIW If I log on to one of the work machines that >lives in the US I can see the auction from there >too - so maybe Paul really is being watched :-) > >Antonio > >-- > >--------------- > >Antonio Carlini arcarlini(a)iee.org > > >

21 years, 7 months

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Exidy software, was Compucolor items on eBay

by pete＠dunnington.u-net.com

On Aug 20 2004, 9:38, bips wrote: > I have an Exidy with S-100 and floppy drives. I have missed placed my > floppy > disks. They had CP/M, an editor, assembler compiler, and utilities. I would > be very interested in obtaining a copy of same. My floppies were 5.25, > single sided, 97K. John It's good to hear from another Sorcerer owner, but unfortunately, I don't have disks for mine, so I can't help. Sorry... -- Pete Peter Turnbull Network Manager University of York

21 years, 7 months

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Enigma

by dwight.elvey＠amd.com

Hi From the picture I'm looking at, it has 10 wheels or rotors. This is not a WW2 unit. What country are you in? Dwight >From: "Paul Koning" <pkoning(a)equallogic.com> > >>>>>> "Geoffrey" == Geoffrey Thomas <geoffreythomas(a)onetel.com> writes: > > Geoffrey> Is this the real thing ? > Geoffrey> http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&category=3284&item=22629569… =1 > >Bizarre. Ebay does not allow me to see that item. It says "due to >restrictions in your home country" which is utter nonsense. It's >possible that the UK has export restrictions, but that's not what it >said... > >>>>>> "Dwight" == Dwight K Elvey <dwight.elvey(a)amd.com> writes: > > Dwight> Hi This is not a WW2 machine. This was made many years after > Dwight> that. It is an Enigma design with more wheels than the ones > Dwight> the Germans used. It is a ridiculous price for a later > Dwight> machine, regardless of condition. It is most likely military > Dwight> surplus but not WW2. > >What does it actually show? Standard Enigmas have 3 wheels, but a few >had four, so if it's a four wheel unit it's a possibility that it >could be a WW2 unit. > > paul > >

21 years, 7 months

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Enigma

by dwight.elvey＠amd.com

Hi If you look closely, you'll notice that it has many more wheels ( rotors ) than three or four. It is a later machine. Dwight >From: "Jules Richardson" <julesrichardsonuk(a)yahoo.co.uk> > >On Fri, 2004-08-20 at 18:57, Geoffrey Thomas wrote: >> Is this the real thing ? > >Not a German Enigma, no. (e.g.: >http://web.syr.edu/~nrsmit01/webquest/enigma.jpg), but real in the sense >that it is an Enigma :) > >I can't see an equivalent to the plugboard that the German machines >have, so it's presumably a much simpler device. > >German 3-rotor Enigma machines are actually pretty common, or so I'm >told - I suppose they just normally appear in traditional auction houses >rather than on ebay. > >That ebay one seems like quite a high price. I'm not sure if that's >because it's a) Swiss rather than German, b) in extremely good condition >or c) because it's on ebay. I suspect the latter... > >cheers > >Jules > >

21 years, 7 months

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Enigma

by dwight.elvey＠amd.com

Hi This is not a WW2 machine. This was made many years after that. It is an Enigma design with more wheels than the ones the Germans used. It is a ridiculous price for a later machine, regardless of condition. It is most likely military surplus but not WW2. Dwight >From: "Geoffrey Thomas" <geoffreythomas(a)onetel.com> > >Is this the real thing ? > >http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&category=3284&item=226295693 >8&rd=1 > >Anyone with deep pockets ? > >Geoff. > >

21 years, 7 months

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What fun from a Macintosh SE

by cb＠mythtech.net

>Perhaps the danger is not as bas as I make it out to be, but, and I >know you probably >did not know this, I am jobless right now.. If I do break anything I >can't afford to >replace it. That and the fact that the machine seems to run really >well on OS 6 >and I have found many fun things on the net that also run on OS6. I fully understand your reluctance. I can say that if you decide to try it, and you break something, it should be fairly trivial to track down another SE for free (I for one have a half dozen I don't need, and I'm sure Sellam has a half dozen pallets of them!) But I still understand. >I'll try installing the OS7 I'll be getting soon - but perhaps it won't >work, so >back to OS 6. no problem. OS 7 will probably not even boot with only 2 MB of ram. I think the MINIMUM you will get it to boot with is 2.5 (which you may actually have, it was very common to go to 2.5 instead of 2, because you just left two of the 256k simms in place when adding two 1 MB ones). However, even at 2.5 MB, System 7 will be almost unusable. 4 MB really is the minimum you can get away with. But honestly, if you can find fun things to do with System 6 (and there are tons), then stick with it. It will run MUCH faster, and be MUCH more stable on an SE then System 7 will be no matter how much RAM you can cram in there. -chris <http://www.mythtech.net>

21 years, 7 months

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What fun from a Macintosh SE

by cb＠mythtech.net

>I do have the 1.44 built in diskette drive. > >Did the APPLE II 3.5 work with this machine too? I have heard that >if you plug in the 5.25 you will burn out your floppy controller. The 1.44 drive will read and write Apple ProDos 3.5" floppies. As for plugging in an Apple II drive into the floppy port on the Mac, don't do it unless you are sure the drive is one compatible with the mac. Most of the A2 drives were not, even though they had the same connector. They could damage the Mac. There were however some that were compatible with the Mac. I know there was a 3.5" drive that worked with the Mac or the A2, and I think there may have also been a 5.25" drive that worked with both (not counting the one for the A2e card that plugged into the card's adaptor cable). -chris <http://www.mythtech.net>

21 years, 7 months

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What fun from a Macintosh SE

by cb＠mythtech.net

>I've got the Torx tool, I need the gadget that's used to split the case >without destroying it in the process. A spring wood clamp without the protective rubber tips works very well. (the kind that looks like a giant metal clothes pin). -chris <http://www.mythtech.net>

21 years, 7 months

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What fun from a Macintosh SE

by cb＠mythtech.net

>Personaly I suggests the swiss army knife with the extended toolste. >beats every leatherman, has exchangeable bits and fits still in (my) >pocket :) > >http://www.victorinox.de/newsite/de/produkte/produktdetails//1-7725-T/funk >tionen.htm > >(tons of Java and whatever included :( ) Wow COOL! I might have to finally upgrade my current Victorinox (the one I have is very similar to the one pictured, it just doesn't have the extra socketed tips) -chris <http://www.mythtech.net>

21 years, 7 months

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cctalk Digest, Vol 12, Issue 56

by india_50＠yahoo.com

hi, i hv an old 8088 comp, of i guess a hitachi make. the monochrome monitor that came with it isn't workin. but the power supply is in good condition. how do i check if the system is in working order. anyways where can i find info on manual bootstrapping. urs, subs __________________________________ Do you Yahoo!? New and Improved Yahoo! Mail - 100MB free storage! http://promotions.yahoo.com/new_mail

21 years, 7 months

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What fun from a Macintosh SE

by cb＠mythtech.net

>Apple still has system 6 and 7 on their website if >you need it but getting system software from the net onto 400k floppies is >not easy if you don't have an old Mac already. Apple has 6.0.8 and 7.5.3 and the 7.5.5 updater available as free downloads. They do not have previous versions of System 6 or 7, nor later versions of any OS revision. That's actually OK, as performance wise, there is little difference on an SE between System 7.5.5 and System 7.0 or 7.1. And .5.5 is more stable and has better networking support, so there is really no reason to run a previous version of System 7. Same can be said for System 6.0.8 and previous versions. There is really no reason NOT to run .8 so there should be no worries about lacking earlier versions. And although your comment about getting them onto floppies still holds true, it is worth correcting that the SE uses 800K drives at the minimum. Some of the SEs uses 1.44 drives. The best way to know is to look at the front of the case. If it says either SuperDrive or FDHD, it is using 1.44 drives. If it just says SE, it is probably an 800k drive (also the back label will likely tell you). Hopefully this persons is a 1.44 drive, so they at least have a half a shot at creating the disks on another computer. If they are in fact 800k drives, that could prove a challenge almost as much as 400k. Later Macs can't read/write 800k disks as well as the 400k, and PCs I don't think can do 400 or 800 at all. (I think there are ways to get PCs to write the 1.44 disks however, and at least those are readily doable by any newer Mac with a floppy drive). -chris <http://www.mythtech.net>

21 years, 7 months

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Article on data rot on CD's

by pete＠dunnington.u-net.com

On Jul 28, 12:11, Joe R. wrote: > The problem is that AFIK no one has found ANY CD disks that are > reliable. Several people that have been interviewed in national > publications explictly pointed out that they bought top quality disks but > they were still unreliable. In fact, it didn't appear that there was much > difference between the cheap ones and the expensive ones. The other day I came across a table from a report showing the relative longevity of data on various media (DLT, CD-R, etc) at a variety of temperatures and humidities. I'll try and find it again and post some of the results. Some of you might be shocked. For example, a CD-R with an expected lifetime of something like 25 years (if I'm not misremembering the highest figure) under ideal conditions has a lifetime of only several *months* at higher temperatures (upper 20s C, that would be 80s F) and humidity. DLTs fared much much better. I have some CDs that were bought about 8 years ago because they were supposedly good quality, and burned in a highly-rated burner. Out of the first batch of ten, 4 are now unreadable or give multiple errors. -- Pete Peter Turnbull Network Manager University of York

21 years, 7 months

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