test-drb August 2004

test-drb@ccmp.vtda.org

283 participants
661 discussions

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>

20 years, 4 months

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>

20 years, 4 months

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

20 years, 4 months

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>

20 years, 4 months

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

20 years, 4 months

HP Pen Plotters (7470 and 7475)

by swtpc6800＠comcast.net

I found two HP Pen Plotters in a closet at work. One is a 2 pen 7470, the other is a 6 pen 7475. There is also a bunch of pens (50) that still work.. I powered up the 7470 and it works from the front panel. The self test prints an *. I haven't tried the RS232 interface yet. I don't have the manuals for these plotters. I do have a summary of the switch setting and RS-232 pinout. Does anyone want them? Does anyone have access to the manuals? Michael Holley www.swtpc.com/mholley

20 years, 4 months

Wanted: IBM Convetible (5140) "Application Selector" software

by tosteve＠yahoo.com

Does anyone have the "Application Selector" software for the IBM 5140 Convertible computer? It used to be on the IBM website for download, but no longer. Thanks- Steve. __________________________________ Do you Yahoo!? Yahoo! Mail - 50x more storage than other providers! http://promotions.yahoo.com/new_mail

20 years, 4 months

Semiconductor Books

by jeff.kaneko＠juno.com

I'm cleaning out my basement, and I have a few semiconductor books I would like to dispose of: Analog Devices, Data Converter Reference Manual, Vol I & II, 1992 Motorola Silicon Rectifier Manual, 1980 Hitachi ECL logic and Memory Data Book, Year Unknown Precision Monolithics Linear and Conversion Products, 1984 Intersil Semiconductor databook, mid-1980's (has a section for the IM6100) Analog Devices, Special Linear Reference Manual, 1992 Harris, Analog and Telecomm Product Data book, 1984 Motorola Power Mosfet Transistor Data, 1984 Motorola Semiconductor, Master Selection Guide and Catalog. 1984 I will favor offers for the entire lot; plus book rate postage. Thank you for your attention . . . .. 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!

20 years, 4 months

floptical drives

by pete＠dunnington.u-net.com

On Aug 19 2004, 11:10, Jules Richardson wrote: > > Hmm, my first ever floptical drive just landed on the doorstep amongst a > pile of hardware. Never seen one before now, and it seems there's very > little info on the web about the technology. > > I assume that although it'll (probably) read/write normal 3.5" floppy > disks, it needs special media to reach the 21MB that I keep on seeing > quoted in various places? (i.e. it can't reach that figure combining the > optical tracking technology that it uses with standard magnetic media) > > (the drive's an Insite I 325VM, likely culled from an SGI I think) Yes, it will read normal 3.5" floppies (at least HD and possibly DD), and yes it needs special floptical media to do 20MB. Good luck finding the media. I have some but I'm keeping it for my flopticals. Do keep the drive clean. My experience is that they're vey prone to dying (and trashing disks) if they get too dusty. -- Pete Peter Turnbull Network Manager University of York

20 years, 4 months

IBM 5100

by msokolov＠ivan.Harhan.ORG

Hello ClassicCmp friends, Right now as I type this an interview is in progress on the Coast to Coast AM late night radio talk show about a supposed time traveler who went back from 2036 to 1975 to obtain a classic computer, specifically IBM 5100. Needless to say, this story got me highly intrigued. Since I don't really know anything about the machine in question, I thought I would ask the collective list wisdom. There must have been something really special about IBM 5100 for them to go back for it from 2036. Does anyone know anything about that machine? MS

20 years, 4 months

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test-drb August 2004