test-drb April 2014

test-drb@ccmp.vtda.org

174 participants
170 discussions

by tosteve＠yahoo.com

Sorry if re-post, having e-mail problems. I received this message from Cody in Arkansas. Please contact him if interested: ----------------------------------------------- "My grandmother used to own a radio shack and closed it down several years ago and we have recently been going through and cleaning the building out. We found several things including a TRS-80 model II and several, several accessories. Let me know if you are interested in anything. Contact: cody_stinnett at yahoo.com Location: Arkansas -----------------------------------------------

10 years, 8 months

A bit more eBay pimping....

by lproven＠gmail.com

Very disappointed that my DS DD 40t 5.25" floppy went for just 1p, given that people had been specifically asking in here for one, in the UK. But better that it goes to someone at all than to the recycling, so thanks, Roger! And my lovely Powerbook 170 went for just ?5.50 -- under $10. :-( Anyway... Here's a portable Bernoulli drive. Again, up for 1p. http://www.ebay.co.uk/itm/271446708146 There are also some more floppy drives if you look at my "other items". -- 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 Tel: +44 20-8685-0498 * Cell: +44 7939-087884

10 years, 8 months

Wanted: Toshiba T1000 manual PDFs

by dm561＠torfree.net

----- Original Message ----- > Date: Sun, 13 Apr 2014 17:14:20 -0700 > From: Seth Morabito <lists at loomcom.com> > I just picked up a Toshiba T1000 portable and I'd like to dig into its > inner workings a little bit. I can't find a speck of documentation > online. No user guides, no service manuals, no schematics, nothin'. I'm > especially interested in a reference on the external floppy port, if > nothing else. > > If anyone has any PDFs, please let me know! > > -Seth ----- Reply: FWIW, here's the pinout for the external port of a T3100e: 1.1 PJ 1 PRT/FDD Connector Table B-1 PRT/FDD connector pin assignment (For PRT) (For EXT FDD) Pin Signal I/O Signal I/O 1 STROBE;000 O READY;100 I 2 PD0;110 O INDEX;000 I 3 PD1;110 O TRACK0;000 I 4 PD2;110 O WPROTC;000 I 5 PD3;110 O RDDA;000 I 6 PD4;110 O DSKCHG;000 I 7 PD5;110 O - 8 PD6;110 O - 9 PD7;110 O - 10 ACK;000 I SWFDB;000 O 11 BUSY;100 I SWMONB;000 O 12 PE;100 I WRDATA;000 O 13 SELECT;100 I EXFDWE;000 O 14 AUTFD;000 O XRATE0;000 O 15 ERROR;000 I SIDE;000 O 16 PINIT;000 O FDCDRC;000 O 17 SLIN;000 O STEP;000 O 18 GND GND 25 A/B/PRT switch - Located on right side of computer - With switch set to "A", external FDD port is accessed as drive A; internal .5" FDD as drive B. - With switch set to "B", external FDD port is accessed as drive B; internal .5" FDD as drive A. - Switch is set to "PRT" for parallel printer output. - Computer must be re-booted for switch change to take effect.

10 years, 8 months

I now have Unix booting multi-user in FreeBee!

by andreww591＠gmail.com

I have at last gotten Unix to boot to multi-user mode in FreeBee (Philip Pemberton's 3B1/UNIX PC emulator). The fixes required are for bus error handling (instructions were still sometimes changing memory and registers after a page fault even though I had already partially fixed it before; I now have it saving the registers before every instruction and pushing those on page fault similar to what current MESS does - this isn't actually what a real 68k does and may sometimes throw off register dumps but it does work; I also have it using longjmp to immediately stop any instruction that page faults), as well as zero page access (another thing that I had tried to fix before; I had previously only allowed reads from address 0, but some programs are expecting to read from higher addresses in the zero page, so I now allow reads from all zero page addresses). Another bug that I fixed was related to timing. The emulator was way slower than real-time on the non-Linux OSes that I tried (many of them impose a minimum on the amount of time a process can sleep, and the emulator was depending on being able to sleep for very short times, so I changed it to use longer sleeps). Unix would presumably boot multi-user without this fix though. However, the emulator is still not quite usable. The key mapping is not quite right (one problem is that the UNIX PC has separate "return" and "enter" keys, and there is no mapping for "enter", which is required to accept dialogs, and there might be other important keys that are missing). Also, neither the mouse nor the RTC are emulated yet. Here's a screenshot: http://imgur.com/GzWkUbs I'll post my patches very soon.

10 years, 8 months

Philipp Hachtmann

by michael.99.thompson＠gmail.com

I was in Germany for the last two weeks on a business trip. While I was in Hannover I had a chance to meet with Philipp Hachtmann, a very enthusiastic DEC collector. Unfortunately I only had a couple of hours to talk, not nearly enough time to hear about his DEC experience and not enough time to see his collection. Maybe next time I will get more time off in my schedule. -- Michael Thompson

10 years, 8 months

TRS-80 stuff available in Arkansas

by tosteve＠yahoo.com

I received this message from Cody in Arkansas. Please contact him if interested: ----------------------------------------------- My grandmother used to own a radio shack and closed it down several years ago and we have recently been going through and cleaning the building out. We found several things including a TRS-80 model II and several, several accessories.??Let me know if you are interested in anything. Contact: cody_stinnett at yahoo.com Location: Arkansas -----------------------------------------------?

10 years, 8 months

Omron Luna

by tyler＠680x0.com

Hi All, I was hoping someone on the list had a good idea of where to start out poking in order to acquire an Omron Luna unix workstation. They've been a particular want of mine for a while, but I've found one on yahoo auctions japan or ebay for a while now. Ideas? -- //Tyler Saylor If you aim the gun at your foot and pull the trigger, it's UNIX's job to ensure reliable delivery of the bullet to where you aimed the gun (in this case, Mr. Foot). -- Terry Lambert

10 years, 8 months

FS: (Micro)VAX 4000/200. Other desktop systems available for free.

by saquinn624＠aol.com

I have a VAX 4000-200 available. It has KA660 CPU, 2x16MB RAM boards, TK70&TQK70, KZQSA and a user-built-in HSD05 providing SCSI system disk support (see http://www.classiccmp.org/pipermail/cctech/2006-July/023485.html for how I did it). BA430 case. Working when parked, probably still does and I can fire it up and verify if wanted. NiCd cell removed from the bulkhead to prevent leaks, so date needs to be reset on bootup (but the bulkhead PCB isn't corroded!). Just got to the point where the space was needed and a VAXstation was able to take care of my VAX computing needs. Make offer. May consider trades for smaller gear as well. Also have a PowerMac 6100/60, Sun IPC (NVRAM problem), Sun SPARCstation 1+ and a Mac IIci (+5V trickle PSU problem) available if wanted for free - take one or all.

10 years, 8 months

TRS-80 stuff available in Arkansas

by tosteve＠yahoo.com

I received this message from Cody in Arkansas. Please contact him if interested: ----------------------------------------------- My grandmother used to own a radio shack and closed it down several years ago and we have recently been going through and cleaning the building out. We found several things including a TRS-80 model II and several, several accessories.??Let me know if you are interested in anything. Contact:? cody_stinnett at yahoo.com? Location: Arkansas -----------------------------------------------

10 years, 8 months

NASA Open Source Catalog...

by lbickley＠bickleywest.com

Here's NASA's current open source catalog: http://ti.arc.nasa.gov/opensource/ikos/ Under the heading "Other NASA Software" there are links to several NASA sites with downloadable software. Here is DARPA's Open Catalog: http://www.darpa.mil/OpenCatalog/index.html Cheers, Lyle -- Bickley Consulting West Inc. http://bickleywest.com "Black holes are where God is dividing by zero"

10 years, 8 months

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test-drb April 2014