test-drb

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101090 discussions

Interesting Material - BOTH on topic and off topic

by jhfinedp3k＠compsys.to

I expect that everyone on this list knows about most of the tools to communicate. Many also use these tools and understand how much easier communication has become as a result. https://uniteyouthdublin.files.wordpress.com/2015/01/here_comes_everybody_p… What is probably not clear is the extent to which these tools have revolutionized how easy it is for groups to be effective. This is the first time I have felt it is useful to draw attention to a book, especially since the PDF can be downloaded so easily for those of you who have the hardware. For myself, I prefer a dead tree version and have been reading the copy I borrowed from the library. Comments on if this book is useful would be appreciated. Jerome Fine

9 years, 8 months

Model M Key Cap Replacement

by COURYHOUSE＠aol.com

my real IBM clicky keyboard does not have usb so I tried various usb adapters and they could be flaky,... you would have to start computer then have to unplug and reinsert keyboard connection etc... anyone have a solve for this? thanks Ed# In a message dated 6/5/2016 5:28:10 A.M. US Mountain Standard Time, chris at micromuseum.co.uk writes: I've been using a Unicomp model M alongside an IBM model M for about a year now and I find there is no noticeable difference between them at all. -----Original Message----- From: cctalk [mailto:cctalk-bounces at classiccmp.org] On Behalf Of Liam Proven Sent: 05 June 2016 12:33 To: General Discussion: On-Topic and Off-Topic Posts <cctalk at classiccmp.org> Subject: Re: Model M Key Cap Replacement On 2 June 2016 at 23:45, Ali <cctalk at ibm51xx.net> wrote: > > Does anyone know if IBM produced any Model M KBs w/ post windows 95 keys (I know I know an abomination!)? You know windows key, right click key, maybe power/sleep buttons that would have interchangeable caps? The "Windows" key is the same as "Super" on Sun keyboards, and there's an equivalent for the right-click or "application" key as well. So they weren't MS innovations; actually they were MS /replacing/ keys that IBM's design omitted. As such, my "anti" stance on them has softened considerably. :?) Yes, I believe there are Model-M clones with them. However, one friend bought a Unicomp type clone "Model M" clicky keyboard and both he and I were very disappointed with its build quality. Me, I stick to genuine retro parts. I have a small stock of them -- half a dozen -- which is probably enough for the rest of my life! :-/ The power/sleep key you mention is /not/ a standard key, AFAIK, and no I don't think most clicky keyboards have one. -- Liam Proven ? Profile: http://lproven.livejournal.com/profile Email: lproven at cix.co.uk ? GMail/G+/Twitter/Flickr/Facebook: lproven MSN: lproven at hotmail.com ? Skype/AIM/Yahoo/LinkedIn: liamproven Cell/Mobiles: +44 7939-087884 (UK) ? +420 702 829 053 (?R) --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus

9 years, 8 months

11/04 latest

by rodsmallwood52＠btinternet.com

Hi Well lots fun with the 11/94 project. In fact its become an 11/84 and 11/94 project. After following Sherlock Holmes advice "when you have eliminated everything else.Whats left however unlikely is the answer" I discovered the RX211 needed to be in CDEF and not ABCD. Why did I not know that? Well I can only put it down to the fact all of the UNIBUS options I ever worked with were hex modules. Next fascinating fact. You can switch between being an 11/84 and an 11/94. Although one box has three Qbus slots and the other (11/84) has four. If you put an 11/84 CPU in slot 1 and a MSV11-J (PMI) in 2 or 3 it does its startup tests and goes into the monitor screen. If you try to boot the RX02 in 11/84 mode you get (the drive does get accessed - there's a nice healthy clonk) Trying DY0 Error 101 Unexpected trap to location 114 See troubleshooting documentation Updated PC 173260 PCR Page = 62 Program listing address = 062260 R0 = 000000 R1 = 177170 R2 = 042131 R3 = 000000 R4 = 024000 R5 = 000000 R6 = 172276 R7 = 001600 In 11/94 mode it stops at the same point but does not give the error message. Comments gentlemen please Rod Smallwood

9 years, 8 months

VR241 Service Manual?

by robert.jarratt＠ntlworld.com

Does anyone have a VR241 Service Manual? I have looked on Manx and BitSavers, but there doesn't seem to be one available in those places, and a more general search has failed to turn up anything either. Thanks Rob

9 years, 8 months

Re: thinking of the "ultimate" retro x86 PCs - what bits to seek/keep ?

by barythrin＠gmail.com

I'm a bit surprised at the recommendation of Dell but maybe they weren't playing all their proprietary games yet. I've seen where they rewired a nonstandard power connector so you'd fry it replacing it with a standard power supply or fry your other system using one of their power supplies but can't remember if that was at or atx. Seen where they did something stupid and notched their ram so it had to be registered memory. So long ago i don't remember the details though. Not to mention weird custom firmware on parts they didn't build which caused driver and functionality nightmares for 3 sound blaster cards i bought (at a bargain) but had to return all 3 for various odd reasons.? Either way. They quickly became a vendor i lost trust in but maybe lots of vendors also did that and i just ended up working on their problems the most.? Mca and vlb cards are harder to come by and fetch a higher price range vs isa/Eisa or pci.? Definitely stay away from Cyrix processors. Most computer stores i knew in the 486 era wouldn't even sell them or take them as trade ins. Comparability issues and overheating seemed to be common features.? Interesting comments on parallel drives. They're nice for compatability on multiple systems but much slower than their scsi sisters. I did both but didn't realize the huge transfer speed difference until i had traded away my scsi version for a box o' gear then later traded some of that to get a parallel zip drive again. But on the bright side most of my systems could use it or share it over null modem.?

9 years, 8 months

Resurrecting the DB-19

by lproven＠gmail.com

June 4, 2016 ? 10 comments *DB-19: Resurrecting an Obsolete Connector* Oh man, this is good! You?re looking at the first DB-19 connector to be made in the 21st century... http://www.bigmessowires.com/2016/06/04/db-19-resurrecting-an-obsolete-conn… -- Sent from my phone - please pardon brevity & typos.

9 years, 8 months

Macintosh Quadra 840AV

by lists＠sysop.ca

I managed to pick up a Mac Quadra 840AV yesterday with an apple VGA monitor and Laser Writer II printer for $60 CAD (approximately $5 USD :-) off the local classifieds site. The pram battery had leaked pretty badly but seemed to only drip onto the internal RF shielding. After I cleaned everything up with isopropanol it booted fine off a startup floppy although the hard disk appears to be bad. Like most macs of this vintage it does seem to have leaking surface mount caps so I am going to order the standard tantalum replacements from digikey and recap the mainboard. What is everyone doing for replacement 50 pin SCSI drives in their 90's hardware? Is there a reasonably priced flash based replacement yet? I remember looking into it a few years ago for my Sun IPX and the only solutions I could find seemed to be priced for industrial applications. Also, has anyone had experience with the apple power supplies of this vintage? I'm wondering if it's something I should recap as well? Also, any comments as to which classic mac OS version is best for this era of hardware? I haven't played around with classic macs much, I went right from the Apple IIe to PC's in the early 90's.

9 years, 8 months

Correction

by rodsmallwood52＠btinternet.com

Previous email for 11/04 read 11/94 Rod

9 years, 8 months

Seeking Deth Specula's stuff

by dave＠661.org

Does anyone know where and how one can obtain copies of Deth Specula's work? It seems that all that's available is what I find at bandcamp.com and some weird hiphop website, about six songs in all. -- David Griffith dave at 661.org A: Because it fouls the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail?

9 years, 8 months

AT&T 3b2 vs SCSI2SD drive replacement

by other＠oryx.us

We have recently had activity on the list discussing AT&T 3b2 related stuff, then earlier today we have had discussions concerning the SCSI2SD drive replacement hardware. I was reviewing the online documentation for SCSI2SD, specifically here: <http://www.codesrc.com/mediawiki/index.php?title=SCSI2SD> and I specifically see that the AT&T 3B2/600 is supported. Many years ago, when I was administering 3b2's, I had always remembered those 327 Mb drives were a PITA getting those replaced thru my supply system. ...... Wondering if anyone here is using SCSI2SD on their 3b2's, and if so, what are your experiences? Hopefully working well? Jerry

9 years, 8 months

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