test-drb October 2001

test-drb@ccmp.vtda.org

259 participants
770 discussions

by ken＠seefried.com

>If the internal disk is SCSI, you could attach it to any other system >(for example Linux), and write a utility that goes through the raw >disk looking for 'root:$[^:]*$:0:0:' and replace it with 'root::0:0:\1' Good thought, but it's not quite that easy. As I recall, AIX defaults to the JFS file system. This is an IBM proprietary, journalized filesystem, and would not be trivial to "write a utility" to safely modify it. Standard Linux (or any other Unix, for that matter) will not recognize it. Luckily, there is a Linux port of JFS (http://oss.software.ibm.com/jfs/). I dunno if it will mount a native JFS filesystem from a legacy AIX box, but it should show you what you need to do to get started. Oh, yeah...AIX stores passwords in /etc/security, or somesuch odd directory. Wants to be a TCB, but isn't really a TCB. I liked and respected AIX...but then I didn't pretend it was really Unix. Ken

23 years, 2 months

Semi-OT : 4063 pinout

by ard＠p850ug1.demon.co.uk

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23 years, 2 months

Looking for 1990s manuals/software

by vcf＠vintage.org

I need the following software packages for a project I'm working on: Aldus Freehand 2.0 Aldus Freehand 3.0 Adobe After Effects 3.0 Macromedia Sound Edit 16 1.0 I would prefer the whole software package but at a minimum I need the manuals. Please contact me directly at <sellam(a)vintage.org> if you've got them. Thanks! Sellam Ismail Vintage Computer Festival ------------------------------------------------------------------------------ International Man of Intrigue and Danger http://www.vintage.org

23 years, 2 months

SCSI problems

by dhquebbeman＠theestopinalgroup.com

Chad etched into stone for all eternity: > Douglas Quebbeman wrote: > > Picked up a 1542CF almost two years ago at a MarketPro show for $19.95. > > > > We had a Market Pro show here once or twice. They had nothing that I > wanted. It was almost all new stuff and the prices were kind of high. > > The show I go to here in Michigan is called A1 Supercomputer sales, I > think. It is a locally run ( I think) chain of shows. They usually > have a good mix of new and used. The more used, the better for me :-) They do tend to be high, new Americans seeking their fortunes... but a few people carry surplus stuff, and it tends to be priced better if it isn't so decript as to be not worth buying (but perhaps worth picking up off the trash pile). I picked up VB 5 Pro a few years back for $50, and VC++ 5 for the same. But one vendor screwed me out of a academic VB package that came with NT; he had it priced for $50, I made the mistake of asking if it was for real, and immediately it became not so. -dq

23 years, 2 months

"Early" 3.5" diskettes (was: Wired covers VCF east

by mbg＠world.std.com

Allison, I'll have to show you the machine... maybe you could identify the drive right off without having to open the case. For a preview, check out the wired.com article pictures... Megan Gentry Former RT-11 Developer +--------------------------------+-------------------------------------+ | Megan Gentry, EMT/B, PP-ASEL | Internet (work): gentry!zk3.dec.com | | Unix Support Engineering Group | (home): mbg!world.std.com | | Compaq Computer Corporation | addresses need '@' in place of '!' | | 110 Spitbrook Rd. ZK03-2/T43 | URL: http://world.std.com/~mbg/ | | Nashua, NH 03062 | "pdp-11 programmer - some assembler | | (603) 884 1055 | required." - mbg KB1FCA | +--------------------------------+-------------------------------------+

23 years, 2 months

looking for documentation for 1963 minuteman missile computer

by technos＠nerdland.org

On Monday, October 15, 2001 9:25 PM, Carlos Murillo [SMTP:cmurillo@emtelsa.multi.net.co] wrote: > Rocket science is in the rocket engine. Navigation is > not that hard, comparatively... > When all you have to navigate with is a computer that takes a full second to multiply and a telescope that could probably only sense the horizon it gets a bit harder.. Jim > At 03:12 PM 10/15/01 -0400, you wrote: > >Let's hope they're all bought up by domestic hobbyists... > > > >;-) > > > >-dq > > -------------------------------------------------------------- > Carlos E. Murillo-Sanchez carlos_murillo(a)nospammers.ieee.org

23 years, 2 months

Philbrick?

by mranalog＠home.com

Sat, Oct 13th John Allain wrote: > I appreciate all the responses. > So why computor tubes and not computer? > I guess it's possible that the tubes were replacements > and weren't spec with what GAP meant to use. Since I didn't know the answer I asked someone who was a Philbrick employee from 1949 to 1966. "Hi, Doug: The standard rationale was that the purpose of the spelling was to differentiate between machines that did computing and people who were employed to do so. For example, my wife's roommate, in the early days of her post-college life, had a math degree and was employed at MIT's Whirlwind lab as a "computer", doing computing tasks that were too complex for the digital machines then existing. However, I think that George really invented the term (a) because it was attention-getting, (b) to differentiate his product from the competition, and (c) because he always liked to do things a little differently and more creatively than the next guy." ========================================= Doug Coward @ home in Poulsbo, WA Analog Computer Online Museum and History Center http://www.best.com/~dcoward/analog =========================================

23 years, 2 months

looking for documentation for 1963 minuteman missile computer

by jtinker＠coin.org

Wow, even a users group! This is great. The boards are beautifully done, discrete logic, and dipped in a conformal coating. Each transistor or diode has its own serial number, which I assume provides traceability to quality control. The card cage is cylindrical, and surrounds where the "stabile platform" would go, except they were removed before the computers were surplused, for reasons of secrecy. I heard once that the whole thing cost about $1/2 million, half for the computer and half for the stabile platform. There is a port in the card cage where a telescope on the stabile platform gets to look out at something, presumably the sun or stars. Thanks for the info, John Tinker 10/15/01 3:02:34 PM, "Peter C. Wallace" <pcw(a)mesanet.com> wrote: >On Mon, 15 Oct 2001 jtinker(a)coin.org wrote: > >> I'm looking for documentation for a 1963 minuteman missile navigation >> computer. Any leads would be appreciated. >> >> Thanks, >> John Tinker >> >> >> > > >I have a little info if it's the D17B (1962) > >(from "Proceedings of the minuteman computer users group" Tulane Univ >1973) > >Type: Serial synchronous > >Number system: Fractional binary fixed point 2's complemant > >Logic levels: 0V = false, -10V = true > >Data word length: 11 or 24 (double precision) > >Instruction length: 24 bits > >Intructions: 39 > >Maximum I/O words/Second: 25600 > >Execution times: add ~78 uSec, multiply ~546 uSec, Double prec multiply >~1015 uSec > > >Memory: 24 bits + 3 timing bits >Type: Oxide coated disk >cycle time ~78 uSec >Capacity 5454 words 2727 double prec (24 bit). > >I/O: 43 digital lines, 31 pulse type, 12 analog (from 3 8 bit A-D) > program I/O 800 5 bit c/s > > >Size: 20" high x 29" diameter > >Power 28VDC +- 1V @ 17 A > >Circuits: DTL+DRL double copperclad gold plated glass fiber laminate >with polyurethane conformal coat > > > >The newer D37C (1964) is mostly the same except has a larger disk and more >instructions > >Peter Wallace >Mesa Electronics > >

23 years, 2 months

Almost Free, for pick up only in Michigan MicroPDP11/73

by fernande＠internet1.net

Hello All, Please respond privately.... this is going to two lists. I have a Micro PDP11 that I would like move to a new home. It is an 11/73 that uses the CPU board from the 11/83. It is the 18mhz J11 CPU with FPU (M8190-AE). It currently has 2megs of ECC memory, although I have about 3megs worth of parity that could be swapped in instead. Various other boards are included (no scsi boards :-) It is in the tower mounted BA23. The case is clean, but has a few flaws.... scratches and the base is cracked, and one of the little horns? where the back cover fits it cracked. Overall the case looks very nice. The steel chassis itself could use a vacuum, However. I could get into he ROM with a terminal, but never got it to boot from the RD54 HD. It complained of a bad controller (m7555). I have spares, but never tried them. It could be the drive as this particular PDP11 has a bad history with drives according to the documentation that came with it. The main reason I would like to move this on, is because I don't have the time to learn about it. I know nothing of the PDP11 OS's. Plus I have a Vax that I would like to get working, and lots of other little projects. In the subject line, I state "almost free". I do have some money in it, and would like to recoup at least some of it, so I'd like to get $40 for it. That's certainly much lower than what it would fetch on Ebay. I live in Battle Creek, MI. It's right off of I94 about 1/2 way in between Detroit and Chicago. Here is the info on the cpu board from the field guide: M8190-AE KDJ11-BF Q/U 11/83-84 CPU J11 CPU 18MHz with 2 boot & M8190-AE diagnostic ROMs, FPJ11-AA. M8190-AE Refs: EK-KDJ1B-UG, uNOTE N#025, N#030, N#035, N#039 Thanks, Chad Fernandez Michigan, USA

23 years, 2 months

IIgs using hard disk 20

by mythtech＠Mac.com

>Sometimes I have to power cycle the whole thing to get it to boot, do >I'm thinking that the drive might be going bad. If it doesn't boot when you first turn it on, you might not have let it come up to speed fully. It takes a good 20-30 seconds to come up to speed before you can turn the mac on. The drive light will turn on, then start blinking steady, after about 20 seconds, you will hear the drive click a whole lot, and the light will blink rapidly for about 2 seconds... after that, it is up to speed and safe to turn on the Mac and try booting. -chris <http://www.mythtech.net>

23 years, 2 months

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test-drb October 2001