What baud rate, parity, data bits do you use for these and do you need to
press any certain key to get the system to recognize the terminal? I have
two of these. I tried to bring them up today. The closest setting that
seemed to work was 9600 Baud, 8N1. But all I could get on the display was
'||PPPP'. I got exactly the same from both CPUs.
Joe
Rumour has it that Al Kossow has managed to do without the formatter, but I have no further information.
--
The current state of the project is a friend of mine fabricated a shim for me to mount
a Cipher 7 track head on a Qualstar 1052 transport. I haven't said much about what I'm
doing because I wanted to buy enough cheap 1052's on eBay for experimentation (I have
about 10 of them now)
The 1052 is a VERY simple transport. I have the docs for it so I can hack the firmware
to just start the tape moving at a constant rate, ignoring BOT, EOT, etc.
I have a PC done with a bank of Analog Devices 10 bit A/D's and a FIFO which will feed
into my PCI macintosh though a bus mastering PCI ATA controller. Until I get that working
I'm going to use a couple of VMIVME 3115 A/D converter cards attached through a PCI-VME
converter for data capture.
The goal is to get something put together that is small enough to be able to be transportable
so that I can take the setup to where the tapes are, rather than risk having them lost
in shipment.
So anybody out here knows of any 7 track drives which are still easy (?)
to get and have some kind of "usual" interfaces ?
--
If you have 7 track tapes of historical significance, and are willing
to release their contents, there are a couple of people who will read
them for you.
You will not be able to either find an easy to get or 'usual' interface
as these devices have been out of production for over 30 years and every
source for heads has discontinued production. There are a (very) few
companies that have "new old stock" tape drives, which they are attempting
to sell for many thousands of dollars.
Robert <Robert_Feldman(a)jdedwards.com> wrote:
> What would be more useful than the color names (which can be used for different RGB colors) would be the Pantone or Munsel numbers. The DEC logos were trademarks. Does anyone know if the exact colors need to be specified when a trademark is registered? If so, then this information might be available from the federal trademark registry.
>
I do remember seeing such a specification, for the "company" logo color, anyway (the light "baby" blue). I may have even saved it - I just don't know where. I just searched my on-line disks and got no hits. I suspect that the only color you'll find in the trademark registry is Bob Palmer's "dried blood" burgundy.
Dale
What would be more useful than the color names (which can be used for different RGB colors) would be the Pantone or Munsel numbers. The DEC logos were trademarks. Does anyone know if the exact colors need to be specified when a trademark is registered? If so, then this information might be available from the federal trademark registry.
Bob
-----Original Message-----
From: Lawrence LeMay [mailto:lemay@mail.cs.umn.edu]
Sent: Thursday, August 28, 2003 8:17 AM
To: cctech(a)classiccmp.org
Cc: classiccmp(a)classiccmp.org
Subject: Re: DEC colors
Standard 8/e is of course Amber and Terra Cotta. I've seen 8/F and 8/L
in that color scheme, as well as Orange and Terra Cotta for the 8/M.
Less standard color schemes for which i do not know the official color
names are the Industrial-8 colors (red and dark-blue), and another
8/e in light-blue and dark-blue.
-Lawrence LeMay
> The standard pdp/11 front panel colors are magenta and wild rose.
> >From memory the 8/e front panel is mustard and burnt orange
>
> Each DEC computer family in the 60's / early 70's had their own
> color. The LINC/PDP-12 was light and dark green, the 9 was a different
> shade of orange than the 8/e, and the 15's were light and dark blue,
> which was different from the PDP-10 blue.
> > What baud rate, parity, data bits do you use for these and do you need to
> 9600/8/n/1, no modem control
Ummm, DEC serial protocol (other than 20ma) uses "Xon-Xoff" flow control. Anything else will get you buffer overflow.
Dale
I can also make Otrona disks. I have CP/M (including source files for the BIOS and such programs as FORMAT) and MS-DOS 2.11H, that last (post bankruptcy) version. IIRC, it has hard disk support. I also have some issues of the FAUG (First Attache Users Group) newsletter and some FAUG programs on another disk.
Disks are 5.25", DS-DD.
Bob
-----Original Message-----
From: jim stephens [mailto:jwstephens_2000@yahoo.com]
Sent: Wednesday, August 27, 2003 5:27 PM
To: cctalk(a)classiccmp.org
Subject: Attache Disks
I have dredged up my Atrona system and will try
to make some floppy copies for interested parties
soon.
I belive I have floppies to boot both the 8 bit
processor, and the 16 bit service processor into
MS/Dos 2.x (2.1 maybe).
I'll post again when I get the system tested and
running.
It uses standard 3 1/2" floppies (I think 720K,
again I'll have to post when I check it out).
Jim
Doc <doc(a)mdrconsult.com> wrote:
> I had a couple of VS2000 (Same box, with graohics) and routinely used
> a nearly-standard PC-type RS-232 null modem cable. You have to short
> two pins at the VAX side, but I do not remember which two. I found the
> pinouts in some FAQ or other online.
Since DEC used a "3 wire" subset of RS-232, DTR had to be locked "on".
Dale
Dave,
What looks like the Osborne 1 video adaptor is available from Alltronics (TTL-Composite video adaptor #92C024, $4.95)
http://www.alltronics.com/computer_miscellaneous.htm
It plugs on the edge connector on the front panel, in place of the shunt that is normally there.
I believe that the only voltage supply for the monitor comes from P9 by way of P5, the edge connector on the front panel.
I once had a 9" Panasonic open frame monitor that I used with my O1. I just wired it to a female edge connector socket that I used in place of the shunt. I also added a 100K pot for brightness control.
Bob
-----Original Message-----
From: ghldbrd(a)ccp.com [mailto:ghldbrd@ccp.com]
Sent: Thursday, August 28, 2003 2:15 PM
To: cctalk(a)classiccmp.org
Subject: Re: Osborne 1 monitor questions
-----Original Message-----
From: Dave [mailto:dfnr2@yahoo.com]
Sent: Thursday, August 28, 2003 2:03 PM
To: cctalk(a)classiccmp.org
Subject: Osborne 1 monitor questions
> Hello,
>
> Thanks to the help of several of you, I have, after
> reparing the power supply, been able to verify that
> the CPU is running, and using the .PDF service manual,
> am able to get a signal on the video pin (8) after
> replacing the contrast pot. However, the monitor
> still produces no output. I have a couple of
> questions:
<snip>
>
> 2) What's the simplest way to use an external monitor
> for testing?
Wasn't there some sort of video adapter that plugged in where the jumper
was on the front panel.. ISTR it was a standard b/w NTSC monitor. One of
the surplus electronics places in CA was selling said item for about $4 or
so.
>
> 3) Does the monitor use the +12V line on the connector
> from the CPU board for all its power, including the HV
> converter?
I'd have to check the schematic, but it sounds logical (sorry Spock!)
>
>
> Thanks,
>
> David.
>
Gary Hildebrand
St. Joseph, MO
