test-drb June 1998

test-drb@ccmp.vtda.org

158 participants
941 discussions

by desieh＠southcom.com.au

bit hard getting a mac into a pc case though, remember that macs have all the connectors on board, desie -----Original Message----- From: Sam Ismail <dastar(a)wco.com> To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> Date: Monday, June 08, 1998 5:41 Subject: Re: Early Mac Clones >On Sun, 7 Jun 1998, Tom Owad wrote: > >> What edition do you have? My 2nd edition book says a listing of clones >> is given in edition 1, as oppose to just saying they exist. I'd love to >> get a list of old Mac clones. > >I made a timely find today of the first edition of _Build Your Own >Macintosh and Save a Bundle_. In Chapter 2 it has a price comparison >between the clone "Cat" Mac and the real Mac. The computers it lists are: > >Cat Mac SE >Cat Mac SE 30 >Cat Mac II >Cat Mac IIfx >Cat Mac IIcx >Cat Mac IIci > >It will indeed be interesting if I ever find one of these homebrew clones >(For the curious, the book basically tells you to buy Mac motherboards and >parts from third-party suppliers and stick them in a PC case. That's it.) >They would be hard to spot since I don't even give a first look to PC >clone boxes. There's not really anything special about them anyway, other >than the fact that it is novel. > >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] >

27 years

Stupid lusers...

by JRichardson＠softwright.co.uk

>> The MC68010 is the heart of my favorite computer ever, the AT&T Unix PC >> (built by Convergent Technologies). I've got three, two work fine, one >> is for parts. _Still_ the prettiest machines in my collection. Do you mean the NCR Tower series? Or was this some other offering by AT&T? I seem to remember that the old Tower 400's had 68010's - I've still got a few boards somewhere for one (system board was about 1 metre long and half a metre high!). I've got a complete Tower 700 with a 68030 as main CPU, and performance still rates really highly even these days...) Jules

27 years

Files as files

by pete＠dunnington.u-net.com

On Jun 10, 14:56, Max Eskin wrote: > How do UNIX files work? Is there a header of some sort? Not really. Certainly not consistently across all file types. Often command scripts have a comment at the top, and some versions of unix (eg, Irix) embed a "tag" number into executables so they can distinguish individual programs/versions quickly, but other than that, filetype determination is done by looking at various parts of a file and comparing what's found ("magic numbers") to a database (the "magic" file). So, for example, my system "knows" a certain file is a command script because the first 256 characters are all ASCII (which means it's probably a text file of some sort) and the file permissions are set such that it's executable (not merely readable). It also knows that a certain file is an ELF-format executable for a 32-bit little-endian MIPS processor with a version 1 architecture (ie it will run on *old* MIPS cpus as well as newer ones) because the bytes at offset 1 are "ELF", at offset 4 there's a binary "1" (which in this context means 32-bit not 64-bit), at offset 5 there's another "1" (little-endian), at offset 16 "2" means "executable", and at offset 18 "0" means "MIPS" (not Sparc, 80x86, 68000, etc). Some magic numbers are much simpler to decode, of course: a file that begins with "GIF89a" is a GIF file, surprise, surprise. And the more you dig, the more detail you can work out. -- Pete Peter Turnbull Dept. of Computer Science University of York

27 years

Clueless Museums (was: Final Xerox Star demo)

by allisonp＠world.std.com

<And another point. There are a lot of ways to make (say) an oscillator. <If you're designing something you probably only need to know a couple of <them. But if you're repairing it, you'd better understand the one that <was used. True! I have the advantage that I see designs and immediatly see the core of the design with all the fluff removed. But it's years of experience and a good basic grounding in circuit theory that allows me to look st stuff I've never seen and synthsize the elements of the design in my head and troubleshoot it, right down to seeing it's weak points of likely failure. Allison

27 years

Clueless Museums (was: Final Xerox Star demo)

by allisonp＠world.std.com

<Related to this, there's a myth that design is difficult, but design is easy, it's a process. The initial creative thought is hard. <faultfinding/repair can be done by almost anybody. Well, having done <both, I personally find them equally difficult. Perhaps that means I'm <no good at it, but... Troubleshooting is a very complex process that I've never been able to teach to anyone but those that naturally could. For me troubleshooting is something that I find natural and easy. I carry that to design as just a different problem to solve (cheaper, faster, better; pick any two). But working with field circus underscored that thinking is not something you can mandate. Allison

27 years

Cross listing auction items

by higginbo＠netpath.net

At 07:58 PM 6/10/98 -0500, Doug Yowza wrote: >auctions. I'd suggest that the exact opposite is true. Whenever somebody >asks this list "how much is this thing worth", the answer is invariably >"whatever somebody is willing to pay". Basically, valuation of >collectibles is a democratic process not an analytical one belonging to >some exclusive domain of experts. Exactly, hence the value of an auction environment. That is what "whatever someone is willing to pay" means, isn't it? - - john higginbotham ____________________________ - webmaster www.pntprinting.com - - limbo limbo.netpath.net -

27 years

Help on Grid Laptop

by manney＠lrbcg.com

There's an interesting GRiD support page at http://limbo.netpath.net/hw/GRiD/new.html >Is it a 1550SX? Try ftp://ftp.ast.com/GRID/conf1550.exe

27 years

GRiD Latop, another problem

by manney＠lrbcg.com

Thanks for the advice -- it worked just fine!. Now...Windows (3.1) setup hangs when loading...when it's still in the DOS screens (before starting the Windows part.) Any ideas? manney(a)lrbcg.com "Un sot trouve toujours un plus sot qui l'admire." >Most (all?) GRiDs allow the boot device to be selected by holding down a >key at boot time: >'F': floppy >'H': hard disk >'B': bubble disk >'R': ROM disk >etc. I'm also hav manney(a)lrbcg.com "Un sot trouve toujours un plus sot qui l'admire."

27 years

FA: Various systems

by SUPRDAVE＠aol.com

This is NOT a flame, but i'm just wondering the point of posting items that have been put up for sale on ebay, et al. all that means is every item will already be overbid on for an insane price. it is my opinion that if anything is announced as being for sale, the subscribers to this group should get first crack. david In a message dated 98-06-10 13:21:21 EDT, you write: << Some items on auction: Apple Portable, currently at $53.00 http://www.haggle.com/cgi/getitem.cgi?id=201635376 TI-99/4A, complete with about 15 games http://www.haggle.com/cgi/getitem.cgi?id=201639758 Also, looking for cheap Type I PCMCIA/JEIDA RAM cards. 1mb-4mb range. >>

27 years

MS Museum (RE: Ack, not again (RE: Cross listing auction items))

by kaikal＠MICROSOFT.com

Well, apparently we need to demolish the existing one-story building where the current museum is located, and it's always been a bit cramped for big school tours, so a new larger location was pretty much de rigeur. I don't know if anything will be added, and no, I'm not on the museum staff. Kai -----Original Message----- From: Doug Yowza [mailto:yowza@yowza.com] Sent: Wednesday, June 10, 1998 6:17 PM To: Discussion re-collecting of classic computers Subject: Re: Ack, not again (RE: Cross listing auction items) On Wed, 10 Jun 1998, Kai Kaltenbach wrote: > Please stop this, we've been over it a million times. We've been over the "is it OK to sell stuff here" question a million times. The auction thing adds a nice twist because they address the all-important valuation issue. Anyway, did you have anything to do with the Microsoft Museum announcement, and do you know what Bill is looking for and how much he'll pay? -- Doug

27 years

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test-drb June 1998