test-drb February 2004

test-drb@ccmp.vtda.org

275 participants
504 discussions

by witchy＠binarydinosaurs.co.uk

Evenin' UK folks, afternoon US folks :) I've just stripped down the Tonto monitor that was screeching and I was amazed and not a little alarmed to discover that the HT lead to the tube had physically come away! How the hells can that happen when it's just been sitting on a shelf? After appearing in the pix on my Tonto page it went back downstairs and sat on the floor of the storage room for a few months before I found shelf space to put it on! Weird. -- Adrian/Witchy Owner & Webmaster, Binary Dinosaurs www.binarydinosaurs.co.uk - possibly the UK's biggest online computer museum www.snakebiteandblack.co.uk - ex-monthly gothic shenanigans :o(

20 years, 11 months

waaa! Ebay Pollymorphic 88 Item number: 2784817061

by dwight.elvey＠amd.com

Hi All If someone on the list gets this, I have quite a bit of software that I've collected for this machine. It looks like someone has changed the machine to be a CPM machine. It looks to have both the serial ( rs232/20mil ) and cassette interfaces. It seems to be missing the video board ( where the keyboard would connect to ). If someone gets this, I do have a spare video board that I might be talked into trading for something else, if someone wanted to bring it back to an original condition. I also have quite a bit of documentation for the Poly88. It does require a parallel keyboard to work with the video board ( As I recall all console I/O can be revectored at boot using a ROM at 400h. This could make the serial be the console but I don't think the debug monitor is revectored ). Although, the ROM's on the CPU starts at address 0000h, there is a control bit that one can shadow the ROM and allow the machine to exist in complete RAM. I can explain this to anyone that wants to do so. The software I have is all Poly88 cassette based software. I have an assembler, BASIC, many of the Poly demo programs and I also have a ROM based tiny BASIC as well. I have also written code to bootstrap a system from the serial port ( does require the system debug monitor to function ). Dwight >From: "Ron Hudson" <ron.hudson(a)sbcglobal.net> > >And I am between jobs :^( > >

20 years, 11 months

IBM PC5150 monitor wanted/question

by jwest＠classiccmp.org

I have an IBM PC 5150 system unit and keyboard. I popped the cover and it has a Paradise Multi Video or somesuch card in it. The card has two DB9 connectors, an RCA connector in the middle, and a little slide switch at the top. Here's the deal: I'd like someday to find an authentic IBM brand monitor for this. However, I'm not sure if it is mono, CGA, or EGA, or composite, or all of the above. I'm curious how hard it is to find the right real IBM monitor for this system. If it's fairly hard to find one these days, I will go pull the Epson Equity I+ CGA (or is it EGA, it's color and has 9 pins) monitor out of the trash to use if I have little hope of getting the IBM one. So, can someone tell me what monitors types are likely to work with this card, if those are hard/expensive to find (or if someone has one for trade), or if those are nigh impossible to find, will the Epson monitor work on it? Thanks for any thoughts! Jay West --- [This E-mail scanned for viruses by Declude Virus]

20 years, 11 months

Where is the Comprehensive Computer Catalogue?

by paul＠frixxon.co.uk

Does anyone know whether Hans Pufal's Comprehensive Computer Catalogue is still around? His pages at ACONIT have gone, and Google didn't turn up any new location. Is Hans still on this list? I was reminded of this while looking at Tiziano's 1000Bit, which lists a little over 1000 computers; the CCC had over 5000 entries! -- Paul

20 years, 11 months

RL02 Head install info

by jpl15＠panix.com

I have gotten a few pairs of RL02 head assemblies, and I'd like to know if they are used in 'pairs' per se, or if the upper and lowers are interchangable, or does any of this matter...? I know there are a few folks on the List experienced in changing out head assys on the large-format drives, so I thought I'd ask. BTW: I'm keeping a couple of pairs, and the remaining sets have already been spoken for (all by Listmembers) so regretfully I have no extras at this time. ;{} Cheers John

20 years, 11 months

Need some schematics... anyone?

by lyosnorezel＠yahoo.com

Hey all... I am currently in the process of designing (and hopefully later building) a dual Z80 laptop. The datasheets don't tell me near enough... schematics would be much better... the problem is most homebuilt computers seem to revlove around the 6502 family (at least those on the 'net do). If anyone could point me to where I can find some Z80 schematics I'd greatly apprieciate it. Lyos Gemini Norezel BTW... I hope my english is clear enough to everyone here. Scottish/Celtic is my native tongue. Spanish name, Scottish background... strange mix, eh? --------------------------------- Do you Yahoo!? Yahoo! SiteBuilder - Free web site building tool. Try it!

20 years, 11 months

cctalk Digest, Vol 6, Issue 13

by tachyon＠comporium.net

> Message: 8 > Date: Thu, 05 Feb 2004 15:01:12 -0500 > From: "Joe R." <rigdonj(a)cfl.rr.com> > Subject: Greedy E-bay idiots! > To: cctalk(a)classiccmp.org > Message-ID: <3.0.6.32.20040205150112.008ad5d0(a)pop-server.cfl.rr.com> > Content-Type: text/plain; charset="us-ascii" > > Did you guys see this? > <http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=2592518771&category=4504 5>. > It's a thin manual for an EPROM programmer. This clown wants $9.80 for > shipping AND $2.80 for insurance (REQUIRED no less). Actual postage for > this via USPS bookrate is about 40 cents and insurance is 35 cents! How do > these clowns expect to stay in business! > > Joe Did you notice that it's coming from Canada? Tom

20 years, 11 months

Atari Portfolio hard drives?

by netsurfer_x1＠fastmailbox.net

Does anyone know if anyone ever made a hard drive for the Atari Portfolio? I'd just love to get my hands on one. -- David Vohs netsurfer_x1(a)fastmailbox.net -- http://www.fastmail.fm - Does exactly what it says on the tin

20 years, 11 months

waaa! Ebay Pollymorphic 88 Item number: 2784817061

by ron.hudson＠sbcglobal.net

And I am between jobs :^(

20 years, 11 months

another drive replacement mfr

by aek＠spies.com

http://www.wilsonlabs.com/disk-drive-replacement.htm I see Wilson Labs, who used to sell disk and drive testers, is in the disk replacement biz now.

20 years, 11 months

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test-drb February 2004