test-drb June 2019

test-drb@ccmp.vtda.org

151 participants
141 discussions

by jnc＠mercury.lcs.mit.edu

> From: Liam Proven > Now, my tablet and iPhone and Android phones need *at least* 3 or 4 > apps updating every day. ... The OS needs to be replaced every month > or two to fix all the flaws in it, and that's a gigabyte or so of > storage. > I am *furious* about this. > ... > I had a better *phone* and a better *PDA* 20 years ago. Great rant. I myself much prefer my Windows98 machines to my Windows 10 laptop, which I had to buy because i) many Web sites won't work without the latest and greatest browser (in many cases because of the nitwitted craze for not just HTTPS, but the latest and greatest security option for it - but let me not get derailed into that rant into lemming-like stupidity), and those are only available for the latest and greated bloatware OS. Noel

4 years, 11 months

IBM VM/CMS documentation

by cctalk＠beyondthepale.ie

I am looking for documentation of the NUCEXT CMS macro/function in IBM's VM/SP, VM/HPO, VM/XA or VM/ESA from the mid 1980s to the mid 1990s. SC19-6209-0 "VM/SP CMS Command and Macro Reference" from September 1980 available on bitsavers.org does not contain any reference to NUCEXT, apparantly because it had not been developed at that time. The next version of this manual that I can find on bitsavers is SC19-6209-4 "VM/SP CMS Command Reference Release 5" from December 1986, however by that time, the macros section had been moved into a different manual ("VM/SP CMS Macro Reference" I think, which I have not been able to locate anywhere). Other manuals also reference "VM/SP Data Areas and Control Block Logic, Volume 2" which I have not been able to find any versions of either. I am aware of z/VM manuals available on the IBM website which contain some information about NUCEXT but I would prefer to use the older manuals if at all possible as internals tend to be documented in far more detail in the older manuals and the newer manuals contain a lot of unwanted complexity due to the need to document newer features that I don't have any interest in, plus the replacement and obsolesence of features I am interested in. Does anyone have a CMS command and Macro Reference, CMS Macro Reference or Data Areas and Control Block Logic, Volume 2 manual from the mid to 1980s to the mid 1990s who would be willing to scan information about NUCEXT for me? Regards, Peter Coghlan.

4 years, 11 months

looking for info on SIMMS

by useddec＠gmail.com

I'm sorting out a bunch of SIMMS and would like to identify the type of system they are from and the size. Does anyone know of any published lists that could help me ID them? So far I have found: MS02 MS02-AA 54-19813-AX Clearpoint D52/8MB Clearpoint 32MB Kingston KTV-5000/32 Kingston KTV GX/32 8Mx72 Micro Tech MB 360436M-7 Micro Tech MT18CD472F6-6X 20-47083D7 MT8D132G-6 54-24829-DA 54-20352-01 54-21139-CL 54-21225 54-20410-01 54-20116 Thanks, Paul

4 years, 11 months

M7264 Troubleshooting

by jnc＠mercury.lcs.mit.edu

> From: Allison >> "The console emulator Octal Debugging Technique (ODT)is a portion of >> the processor microcode ... The console ODT implemented on the LSI-11/23, >> PDP-11/23 and PDP-11/23-PLUS is identical." > However LSI-11/23 whatever that is, typo? No, that's exactly what's in the manual I cited; as you say, though: > That always had me during my yeas at DEC going which one are you > talking about, as every thing had at least three names (never > minding numbers) and one was usually ambiguous or a nonspecific > family name. DEC's naming of systems always drove me wild. To me, the worst one is the lack of a name for a system including a KDJ11-A; as someone here pointed out, the name "-11/73" is properly only applied to systems with a KDJ11-B and no PMI memory. As I understand it, DEC apparently didn't sell KDJ11-A's in complete, new, systems (it was just an upgrade board), so no number was ever allocated. Noel

4 years, 11 months

cctalk Digest, Vol 57, Issue 12

by shadoooo＠gmail.com

Hello, maybe there's a short between RXD and TXD, or possibly the GND is unconnected... This could cause an echo on the cable, and while the console is echoing too, this give an infinite repetition, only ended by the limited console buffer size... Andrea

4 years, 11 months

M7264 Troubleshooting

by vintagecomputersmn＠gmail.com

I have been working on it for the past week, and I would say the I have my system 95% functional as of now. On Sun, Jun 9, 2019 at 9:05 AM Noel Chiappa <jnc at mercury.lcs.mit.edu> wrote: > > unlike my M8017, it will actually respond to my inputs on my > > terminal. I'm pretty sure I may just have the card configured > > incorrectly, but I'm not going to worry about that for now. > > If the M8017 is actually broken, I would be more than happy to trade a > working, tested DLV11-J (useful for TU58 emulation :-) for it, as I'd > like to have a DLV11-E for my collection. > Taking a closer look at it, it appears that I did not have my connector built correctly. It seems to work now. I got the tu58em software running on my laptop, interfected to my system via the DLV11-J I have. I was able to load XXDP and RT-11 more or less without a hitch. Typing in the bootstrap code is a real pain to do every time I want to boot the system, so I really need to get that MXV11-A working. While RT-11 boots, I am seeing some oddities that don't show up under a normal 11/03 emulated under SIMH. - Upon startup, the DIR command will refuse to list the directory, and just return a "?MON-F-Trap to 4 020142" error. This issue can be corrected by running V2.1 BASIC or another application, which then after the DIR command will work normally. - Also upon startup, sometimes normal RT-11 commands such as DATE and D will return ?KMON-F-File not found DK:*.SAV. This has like a 50% chance of happening. - Saving a file under K52 where the file length has been shortened will also return a ?MON-F-Trap error, and refuse to save the file correctly. This only happens sometimes. I am betting (or hoping) that this is just an issue with the TU58 emulator I am using, and not something wrong with the CPU. I have parts on the way for a RX02 emulator, so hopefully that will fix some of the issues I have having (and make it faster too). On top of that, the RUN/HALT and LTC lights on the front panel still do not function, even thought the switches clearly work and the computer responds accordingly. I am betting this is an issue with on the board somewhere, but as it does not impede functionality I am fine with it for now. One last question, besides TU58 and RX02, are there any other good storage options for a Q/Q 16 bit backplane PDP-11. I know there are SCSI hard drive boards for the 18 and 22 bit backplanes, but it would be nice if there was one that could work with my 16 bit H11A. Well, this project has been a lot of fun. Thank you for all the help you guys have gave me. Gavin.

4 years, 11 months

In search of an ancient IEEE-754 floating point test suite

by web＠loomcom.com

One of the projects I've been working on recently is adding floating point accelerator emulation to the SIMH 3B2/400 emulator. I _think_ I've done reasonably well, in that the simulator passes all of the accelerator diagnostics that AT&T wrote for their own product, but frankly these tests are rather cursory and don't validate much. I'd like to compile a set of IEEE-754 tests on the 3B2. Unfortunately, the only compiler I have ready access to on the 3B2 is AT&T's pre-ANSI C compiler, so not a lot of modern C is going to work. Does anyone know of a period-appropriate set of IEEE-754 tests that could be compiled on SVR3? -Seth -- Seth Morabito Poulsbo, WA web at loomcom.com

4 years, 11 months

TurboDOS for S-100, IMS or L/F Technologies

by new_castle_j＠yahoo.com

Sure, I will list out the hardware I'm planning on using. IMS A645 Z-80 Processor IMS A631 serial/parallel I/O IMS A930 Floppy controller IMS A465 64K RAM IMS 1100 Winchester Hard disk controller IMS 862 User Processor (Z80) IMS 1081 User Processor (186) IMS 1120 Tape Controller Earth Computers ARCnet board -------------------------------------------- On Tue, 6/11/19, Bill Degnan <billdegnan at gmail.com> wrote: Subject: Re: TurboDOS for S-100, IMS or L/F Technologies To: "Jonathan Haddox" <new_castle_j at yahoo.com>, "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org> Date: Tuesday, June 11, 2019, 6:47 PM On Tue, Jun 11, 2019, 12:55 PM Jonathan Haddox via cctalk <cctalk at classiccmp.org> wrote: I'm restoring an IMS - L/F Technologies S-100 Bus computer.? I've got all the pieces except for the Operating System.? I'm hoping that someone here may have a disk stashed away.? From the literature I have read, I would need TurboDOS version 1.40a or 1.41c from IMS or L/F Technologies.? I've seen TurboDOS 1.3 versions out in the wild from IMS, but the 1.4 version was greatly enhanced and offered better compatibility with my specific hardware.? I'd be much obliged if anyone can help. Thanks, Jonathan new_castle_j? at yahoo Can you detail the associated hardware (drive controller, drive model, CPU, etc.)

4 years, 11 months

Need a part for Sun 2/120.

by earl.baugh＠gmail.com

I?m in the process of restoring a Sun 2/120 and realized that the unit I have doesn?t have the back plate and cables for monitor and keyboard/mouse. I have spare parts to trade for 2/120 ( including a sun 2/120 keyboard cable I found today. ) or can do $$ Earl Sent from my iPhone

4 years, 11 months

TurboDOS for S-100, IMS or L/F Technologies

by marvin＠west.net

If I read the archive properly, there is a copy of TurboDos 1.4x in Don Maslins archives on Bitsaver. The files included are: Name Format Description 143GEN ZIP TD 1.43 DO/GEN/PAR files for ADC 143KERN ZIP TD 1.43 Kernel files 143REL ZIP TD 1.43 REL files for ADC 143MAC ZIP TD 1.43 MAC files for ADC 143DOC ZIP TD 1.43 FILES - incl ADC Hope this helps! Marvin > I'm restoring an IMS - L/F Technologies S-100 Bus computer. I've got all the pieces except for the Operating System. I'm hoping that someone here may have a disk stashed away. From the literature I have read, I would need TurboDOS version 1.40a or 1.41c from IMS or L/F Technologies. I've seen TurboDOS 1.3 versions out in the wild from IMS, but the 1.4 version was greatly enhanced and offered better compatibility with my specific hardware. I'd be much obliged if anyone can help. > > Thanks, > > Jonathan > new_castle_j at yahoo

4 years, 11 months

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test-drb June 2019