test-drb March 2006

test-drb@ccmp.vtda.org

233 participants
501 discussions

by trag＠io.com

>Date: Sun, 19 Mar 2006 09:21:23 -0500 >From: Mike <kenziem at sympatico.ca> >It's a Thunderscan, >It came with a 512 Mac with the demo tape, and reset clip, and floppies >still in the box. It powers up OK, but after a while goes blank, a tap to >the side restores the screen. One of the connectors for the cable which joins the logic board to the analog board has a bad solder joint on Pin 1. It's the connector on the analog board. This is an extremely common problem on the old 512 and similar Macs. There's an extra screw in the battery compartment for five total. Once you have the case open, just remove the cardboard cover from the analog board, identify the pin in question and rehabilitate the solder joint. Unfortunately, I don't know anything about the Thunderscan. I saw them back when, but never had one. Jeff Walther

18 years, 3 months

Unisys A Series ?

by aek＠bitsavers.org

> Had this machine dropped on me last night... > Style: A7-311 It is a Unisys A7 series There was just a discussion about this on the list. It should have an A-Series CPU board in it with the PC-ish stuff handling I/O. The system ran OS-2. threads: History Check -- First CMOS mainframe a few micro-A references

18 years, 3 months

who built the first 8086/88 based puter?

by r_a_feldman＠hotmail.com

The HP LX series (95/100/200/700) palmtops were probably the most successful 80186-based computers. Several million of them were sold. Relevant to the discussion of medical equipment, there was just a discussion on the HPLX mailing list suggesting that the HP LX200 (MS-DOS 5.0) is still being sold as part of some piece of medical equipment, although no one there could say for certain. It was discontinued as a separate product in 1998. Bob Message: 13 Date: Thu, 23 Mar 2006 09:36:42 -0800 From: "Chuck Guzis" <cclist at sydex.com> Subject: RE: who built the first 8086/88 based puter? To: cctalk at classiccmp.org On 3/23/2006 at 7:43 AM Cini, Richard wrote: >I don't know where in the overall timeline this is but wasn't the Tandy >2000 based on the 80186? It was introduced in 11/83 and ran an OEM version of >DOS 2.11. Yes, and the 80186 was a marketing disaster for any company that tried to turn it into a PC. The integrated peripherals, while generally better than same facilities present on the PC aren't the least compatible. The wrong thing in a world dominated by hardware-manipulating applications, such as games, graphics utilities, backup programs, etc. I still have the Durango 80186 IO.SYS source for MS-DOS 1.25, as well as the OEM docs for 2.0. All of this was a shame, because an 80186-based PC offers a pretty substantial bang for the buck; <snip>

18 years, 3 months

Personal Computer World magazine - Vol. 1, No. 1

by TechSupport＠HamiltonRoss.com

Hi, I came across this link <http://classiccmp.org/pipermail/cctalk/2001-August/177990.html> via Google and wondered if you could help me with an article in Personal Computer World magazine Vol. 1, No. 1 ... I think it was the editorial at the beginning of the magazine. The editor was warning of the beginning of a new kind of "great divide" between those who have and know how to use the new technology and those who don't. I would really appreciate a scan of that article if you wouldn't mind doing that for me. Many thanks, Steve

18 years, 3 months

Dual-Processor PCI/MCA PC's

by dageb101＠ybb.ne.jp

Hello, I read the fpllowing message. http://www.classiccmp.org/pipermail/cctalk/2003-September/028192.html > Anyone want these two dual-processor Pentium PCI/MCA servers I have here? > They have some sort of TP ethernet on the motherboard, and they have some > form of wide SCSI, along with hotswap drive cages, and I have a full load > of trays for them. All in all, pretty nice systems. They are IBM PC > Server 320's (8640-MDV). There's still reference disk and BIOS downloads > available for them on ftp.pc.ibm.com. I'd hate to see these go to waste, > but I need the space. > > If you feel like throwing a couple of dollars at me for them, it would be > appreciated, as I am out of work right now, but it is not required nor > expected. > > Peace... Sridhar Do you still have the server? Hitoshi Sasaki

18 years, 3 months

Mercury use (WAS RE: hospital surplus)

by dwight.elvey＠amd.com

>From: "Roy J. Tellason" <rtellason at blazenet.net> > >I have a mercury-wetted relay I salvaged out of something or other. Says so >right on it. :-) It also indicates that it should be used in one specific >physical orientation, too. > >So the advantage of those is speed? Hi No, it is that they don't bounce and that they don't need a minimum current to clean the contacts. They are not any faster than others. Some are designed for high current operation. These look like tubes with a coil around them. No bounce means less arcing. Dwight

18 years, 3 months

First drive letters?

by cclist＠sydex.com

As long as we're on the business of firsts, what was the first operating system to refer to mass storage devices by single letters, starting with "A"? Does CP/M have this distinction? ISIS, IIRC used F0: and F1: for the floppies. Think of all of the keystrokes saved! Cheers, Chuck

18 years, 3 months

What disk is this? eBay #8782293215

by waisun.chia＠gmail.com

It's a Fujitsu. My guess it's a SMD drive?

18 years, 3 months

Computer Collector Newsletter is changing...

by evan＠snarc.net

Hello cctalkers, Some changes are in the air for the Computer Collector Newsletter. First, there is a new name. CCN is now (drum roll please) ............... Technology Rewind. Within the next day or two, our domain of http://news.computercollector.com will forward to http://www.technologyrewind.com and that will be our primary address. Also, for simplicity's sake, all of my posts to cctalk will just come from my personal email account (evan at snarc.net). Second, there will be some changes to the format. The changes are not final, but we're toying with a couple of ideas, such as dropping the subscription method and becoming a news web site rather than a newsletter per se, or perhaps following the route of a news-oriented blog. Of course, it will continue to be cost-free, with a news focus. (Anyone have ideas for additional resources we can provide? The only restriction is that we won't step on the toes of established resources such as cctalk, the VCM, etc. -- we're not going to compete against our friends.) We've given this a lot of thought already, so we hope the changes are well received, but we do look forward to all comments and questions. - Evan

18 years, 3 months

RL01 drive connector (was: What disk is this? eBay #8782293215)

by henk.gooijen＠oce.com

You call the RL0[1,2] "big fat cables" ? Wait until you see MASSBUS cables ... :-) - Henk, PA8PDP. > -----Original Message----- > From: cctalk-bounces at classiccmp.org > [mailto:cctalk-bounces at classiccmp.org] On Behalf Of Richard > Sent: vrijdag 24 maart 2006 1:11 > To: General Discussion: On-Topic and Off-Topic Posts > Subject: RL01 drive connector (was: What disk is this? eBay > #8782293215) > > Speaking of emulating RL0{1,2} drives, if I wanted to attach > some sort of drive emulator to the big fat cable attached to > the RL01 drive, where would I get specifications on the > signals in the cable? > > (Yes, I'm still thinking of how to emulate expensive things > that may die so I don't have to kill them by operating them :-). > -- > "The Direct3D Graphics Pipeline"-- code samples, sample chapter, FAQ: > <http://www.xmission.com/~legalize/book/> > Pilgrimage: Utah's annual demoparty > <http://pilgrimage.scene.org> > > This message and attachment(s) are intended solely for the use of the addressee and may contain information that is privileged, confidential or otherwise exempt from disclosure under applicable law. If you are not the intended recipient or agent thereof responsible for delivering this message to the intended recipient, you are hereby notified that any dissemination, distribution, or copying of this communication is strictly prohibited. If you have received this communication in error, please notify the sender immediately by telephone and with a "reply" message. Thank you for your cooperation.

18 years, 3 months

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test-drb March 2006