> On May 15, 2018, at 1:29 PM, Dave Wade via cctalk
> wrote:
>
>
> That’s, in effect, what I did. Whilst there were Microchannel IDE Controllers
> I have never seen one. There are no IDE interfaces on the "Planar" so every
> thing must be on the MCA bus.
> So I bought a BusLogic BT646 SCSI
> On May 30, 2018, at 6:51 AM, Noel Chiappa via cctalk
> wrote:
>
>> From: Kyle Owen
>
>> I do have an 11/45, though... so with this modification, I suppose one
>> could have some fun:
>
> That's for the -11/40 - very different machine, one couldn't use the same
> technique on the /45; the
Yea, it would have to be more than just a terminator as it would have to
reflect back some
of the control signals to the “ack” equivalents otherwise the controller would
just see a bus
with no devices on it. Presumably, the controller also has a “loopback” mode
so that all the
signals (includin
I should also mention that for the IBM S/23, once the BASIC program is entered,
the original
source is discarded and only the tokenized code remains (comments are retained
as-is). The
LIST command runs a de-tokenizer and reconstructs the original source (well
close to it anyway).
TTFN - Guy
> On Jul 25, 2018, at 11:17 AM, Tony Duell via cctalk
> wrote:
>
> On Wed, Jul 25, 2018 at 5:48 PM, Eric Smith via cctalk
> wrote:
>
>> I'm not sure about motors, but 60 Hz power transformers can't handle as
>> high a maximum power (or current) when used for 50 Hz. The maximum power
>> has
> On Sep 2, 2018, at 2:49 PM, Andrew Luke Nesbit via cctalk
> wrote:
>
> Dear Paul,
>
> On 02/09/2018 08:12, Paul Anderson via cctalk wrote:
>> Two Unisys PCK105-SKB look unused, but one is yellowed.
>>
>> Sorry, I forgot to describe them as keyboards.
>
> I realized the beauty of mechanica
My biggest complaint with DEC terminals (and clones) that came after the VT100
(such as the VT220/VT320/etc) is that the terminals are nice and small but the
keyboards are *huge* (almost twice the width of the terminal itself).
I like having a keyboard that matches the size of the terminal and the
> On Sep 7, 2018, at 4:15 PM, Frank McConnell via cctalk
> wrote:
>
> On Sep 7, 2018, at 12:00, Al Kossow via cctalk wrote:
>> interesting.. the vt71t has inverted-T cursor keys
>
> And CAPS LOCK in the home row to the left of the A key. The VT220 made it
> w-i-d-e. Can we now fix the bla
> On Sep 7, 2018, at 4:35 PM, Warner Losh wrote:
>
>
>
> On Fri, Sep 7, 2018 at 5:33 PM Guy Sotomayor Jr via cctalk
> mailto:cctalk@classiccmp.org>> wrote:
> I also looked at the keyboards on my Symbolics machines, and where I’d like
> to have the control
Without the console doing much with the CADR is going to be tough. Not having
the disk isn’t too terrible as the basic contents (uCode and system code) are
available. There’s even an emulator for the CADR though I don’t have the link
handy at the moment. Ping me if you have trouble finding it
wnload
directory. Even if you don’t use the emulator, if you ever want to get the
CADR running again
you’ll need the microcode and OS images.
TTFN - Guy
> On Sep 14, 2018, at 3:10 PM, Guy Sotomayor Jr via cctalk
> wrote:
>
> Without the console doing much with the CADR is going
> On Sep 19, 2018, at 1:24 AM, CuriousMarc via cctalk
> wrote:
>
>
>> On Sep 18, 2018, at 8:44 PM, Steve Malikoff via cctalk
>> wrote:
>>
>> Haven't watched this video yet but am keen to do so as "ultimate" is a bold
>> claim to make.
>>
>
> This an outstanding presentation. The bold c
> On Sep 19, 2018, at 9:35 AM, Al Kossow via cctalk
> wrote:
>
>
>
> On 9/19/18 9:03 AM, Alexandre Souza wrote:
>> time for a ps2-to-3274-terminal-adapter?
>
> yes, or at least get all the 25-pin parallel keyboard protocols documented
> before a keyboard in thousands of dollars instead of
I just wanted to send this privately.
I have a number of 3278/79 keyboards that I could *loan* you (as I have exactly
the
number of keyboards to match terminals) for documenting.
The problem is getting together. I was just down in Santa Clara a couple of
weeks ago
for work and I probably won’t
If I wanted to reduce a drive to slag, I’d just put it in a propane furnace
(actually the drive would
go into the crucible). They generate up to 2700F (~1500C) and they’re for
melting gold, silver, copper,
etc. So I suspect it would do the job. ;-) Plus you’d a nice molten mess
that you can
Some corrections related to Mach and Apple.
TTFN - Guy
> On Oct 22, 2018, at 2:40 PM, Jim Manley via cctalk
> wrote:
>
>
>
> BTW, MacOS X is based on Mach, the version of Unix that was designed for
> multiple, closely-coupled processors, and it, too, uses X as a basis for
> its GUI.
No.
> On Oct 23, 2018, at 11:12 AM, Jim Manley wrote:
>
> On Mon, Oct 22, 2018 at 3:59 PM Guy Sotomayor Jr <mailto:g...@shiresoft.com>> wrote:
> An (optional) X server (and clients) can be added to the OS (I use them all
> the time) but
> is not part of the base ins
> On Oct 23, 2018, at 3:30 PM, Jim Manley via cctalk
> wrote:
>
> On Tue, Oct 23, 2018 at 12:55 PM Guy Sotomayor Jr wrote:
>
>> On Mon, Oct 22, 2018 at 3:59 PM Guy Sotomayor Jr
>> wrote:
>>
>>> An (optional) X server (and clients) can be added t
> On Oct 23, 2018, at 4:08 PM, Noel Chiappa via cctalk
> wrote:
>
>> From: Ben Bfranchuk
>
>> I just can't find a clean simple design yet. ...
>> The PDP 11 is nice machine, but I am looking for simpler designs
>> where 16K words is a valid memory size for a OS and small single user
>> sof
> On Oct 24, 2018, at 11:22 AM, ben via cctalk wrote:
>
> On 10/24/2018 11:57 AM, Al Kossow via cctalk wrote:
>> On 10/24/18 10:53 AM, ben via cctalk wrote:
>>> I have no idea what is in a modern home computer, but I suspect
>>> it still follows the same design of the IBM PC. Single CPU
>>> wi
> On Oct 25, 2018, at 9:02 AM, Jon Elson via cctalk
> wrote:
>
> On 10/25/2018 12:44 AM, Chuck Guzis via cctalk wrote:
>> On 10/24/18 8:06 PM, Jon Elson via cctalk wrote:
>>
>>> Hmmm, you COULD actually use a schematic tool to do this! Maybe create
>>> the components to look like DIPs. I k
> On Oct 25, 2018, at 10:05 AM, Al Kossow via cctalk
> wrote:
>
>
>
> On 10/25/18 9:48 AM, Al Kossow via cctalk wrote:
>>
>>
>> On 10/25/18 9:18 AM, Guy Sotomayor Jr via cctalk wrote:
>>> Now that I think about it, a flying probe may be ea
If I recall correctly the Xstation 120 (the first of them) used an 8086 (might
have been an 80186). The big issue was that you couldn’t do anything with it
because what was in ROM/FLASH was only smart enough to be able to TFTP the rest
of the microcode (not terribly useful if you don’t have the
> On Nov 4, 2018, at 9:37 AM, Todd Goodman via cctalk
> wrote:
>
> Yes, a company I was working for OEMed what because IBM's X25Net software and
> it was ported to their RTIC i960 cards from our own homegrown i960 cards.
>
> The IBM group we worked with was in La Gaude France but we heard th
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