> On May 10, 2024, at 11:16 AM, Sellam Abraham via cctalk
> wrote:
>
> On Fri, May 10, 2024, 7:53 AM Chuck Guzis via cctalk
> wrote:
>
>> There's a third class that I haven't (yet) mentioned. Design a machine
>> to solve a particular problem or class of problems. Saxpy was such a
>>
> On May 9, 2024, at 8:58 PM, Chuck Guzis via cctalk
> wrote:
>
> On 5/9/24 16:30, Michael Thompson wrote:
>> I have a source code tape for Pascal on a CDC 6600 from CDC in France.
>> I am not sure which version it is.
>
> Broadly speaking, there were only three major CDC versions; the 1972
> On May 9, 2024, at 7:55 PM, Fred Cisin via cctalk
> wrote:
>
>>> ...
>>> I've written code in Pascal, as well as Modula-2. Never liked
>>> it--seemed to be a bit awkward for the low-level stuff that I was doing.
>
> On Thu, 9 May 2024, Paul
> On May 9, 2024, at 7:05 PM, Will Cooke via cctalk
> wrote:
>
>
>
>> On 05/09/2024 5:46 PM CDT ben via cctalk wrote:
>>
>
>> Did any one make a REAL TIME OS the 386?
>
> There were / are quite a few.
> https://en.wikipedia.org/wiki/Comparison_of_real-time_operating_systems
>
> The
> On May 9, 2024, at 6:43 PM, Chuck Guzis via cctalk
> wrote:
>
> ...
> I've written code in Pascal, as well as Modula-2. Never liked
> it--seemed to be a bit awkward for the low-level stuff that I was doing.
Not surprising, since that's not what it is all about. Both, like their
> On May 9, 2024, at 9:28 AM, Alexander Schreiber via cctalk
> wrote:
>
> On Wed, May 08, 2024 at 07:09:58PM -0700, Fred Cisin via cctalk wrote:
>>> More here:
https://www.enjoythemusic.com/magazine/equipment/0114/audiophile_ac_outlets.htm
If I knew that this stuff wasn't real, I'd
> On May 8, 2024, at 10:25 AM, Harald Arnesen via cctalk
> wrote:
>
> Paul Koning via cctalk [07/05/2024 19.31]:
>
>> (Then again, I had a classmate who was taking a double major: math and music
>> composition...)
>
> Mathemathics and music is not a
Sure, but classic Diesel engines are purely mechanical.
paul
> On May 8, 2024, at 9:38 AM, Michael Thompson
> wrote:
>
> Most modern Diesel engines use a common-rail electronically controlled
> injection system.
>
>> On May 8, 2024, at 8:58 AM, Paul Koni
> On May 8, 2024, at 7:56 AM, CAREY SCHUG via cctalk
> wrote:
>
> At a local linux meeting, the leader was disparaging any resurrection of old
> technology
>
> Anybody else reminded of the science fiction story where ethereal life forms
> arrive from a distant star system after receiving
> On May 8, 2024, at 7:56 AM, CAREY SCHUG via cctalk
> wrote:
>
> At a local linux meeting, the leader was disparaging any resurrection of old
> technology
>
> Anybody else reminded of the science fiction story where ethereal life forms
> arrive from a distant star system after receiving
> On May 7, 2024, at 1:15 PM, CAREY SCHUG via cctalk
> wrote:
>
> my ears would never be good enough to notice any difference
>
> For what it's worth:
>
> First, in general, there are so many apparent reviews of so many products, it
> is hard to believe they are all scams. How can
> On May 7, 2024, at 1:20 PM, Sellam Abraham via cctalk
> wrote:
> ...
> Thus proving to
> be complete horseshit all the educators that said if you want to get into a
> computer career you must be good at math.
Indeed.
One of the most amazing programmers I ever worked with was a graduate
> On May 3, 2024, at 6:22 PM, Sytse van Slooten via cctalk
> wrote:
>
> And since nobody else seems to, allow me to recall:
>
> - MINC BASIC, with all its extensions for I/O and real time events.
>
> - MUBAS, the multi-user basic for RT-11.
>
> And playing around with BASIC is just so
> On May 3, 2024, at 5:31 PM, Sean Conner via cctalk
> wrote:
>
> It was thus said that the Great Steve Lewis via cctalk once stated:
>> Great discussions about BASIC. I talked about the IBM 5110 flavor of
>> BASIC last year (such as its FORM keyboard for quickly making structured
>> input
> On May 3, 2024, at 3:27 PM, Gavin Scott via cctalk
> wrote:
>
> On Fri, May 3, 2024 at 1:30 PM W2HX via cctalk wrote:
>
>> Someone seems to want it. Bidding is at $250,000 and counting. I guess
>> someone didn’t get the memo about getting just a few nvidia cards!
>
> If you go to
> On May 2, 2024, at 8:45 PM, Paul Koning wrote:
>
> Yes, it sure is. I was mistaken about it being the first issue. Instead,
> the RSA article appears in Vol. 1 No. 3 (4Q80). Too bad the article itself
> isn't included in the scanned material.
Ah, but it does show up elsewhere:
Yes, it sure is. I was mistaken about it being the first issue. Instead, the
RSA article appears in Vol. 1 No. 3 (4Q80). Too bad the article itself isn't
included in the scanned material.
paul
> On May 2, 2024, at 8:39 PM, Lee Courtney wrote:
>
> Paul,
>
> Is this the Lambda/VLSI
> On May 2, 2024, at 4:23 PM, Gordon Henderson via cctalk
> wrote:
>
> ...
> I'm told Lua is the new Basic or Python is the new Basic, but the best thing
> for me about Basic on the old micros was being able to turn the computer on
> and type Basic into it immediately And to that end,
> On May 2, 2024, at 3:50 PM, Lee Courtney via cctalk
> wrote:
>
> The first "professional software" I wrote (almost) out of University in
> 1979 was a package to emulate the mainframe APL\Plus file primitives on a
> CP/M APL variant. Used to facilitate porting of mainframe APL applications
> On May 2, 2024, at 2:30 PM, Mike Katz via cctalk
> wrote:
>
> Microsoft loves to take languages developed by others and transmogrify them
> into the "Microsoft Universe".
>
> Quick Basic, Visual Java, Visual Basic, Visual C# (barely resembles C) and
> the worst offender of all Visual
> On May 1, 2024, at 6:44 PM, Wayne S via cctalk wrote:
>
> IMHO, “C” nomenclature really screwed up the equality vs assignment
> statements. The == made it difficult to understand especially if you came
> from a language that didn’t have it. Basically all languages before “C”.
Well, sort
> On May 2, 2024, at 6:55 AM, Liam Proven via cctalk
> wrote:
>
> On Thu, 2 May 2024 at 00:51, Fred Cisin via cctalk
> wrote:
>>
>> What would our world be like if the first home computers were to have had
>> APL, instead of BASIC?
>
> To be perfectly honest I think the home computer boom
> On May 1, 2024, at 6:26 PM, Mike Katz via cctalk
> wrote:
>
> The Beginners All-purpose Symbolic Instruction Code (BASIC)
>
> Developed by John G. Kemeny and Thomas E. Kurtz at Dartmouth College in 1963.
> This ran on the Dartmouth Time Sharing System (DTSS) which was an early time
>
> On Apr 29, 2024, at 1:59 AM, Steve Lewis via cctalk
> wrote:
>
> After learning more about the PALM processor in the IBM 5100, it has a
> similarity to the 6502 in that the first 128 bytes of RAM is a "register
> file." All its registers (R0 to R15, across 4 interrupt "layers") occupy
>
> On Apr 27, 2024, at 1:15 PM, Tarek Hoteit via cctalk
> wrote:
>
> I came across this paragraph from the July 1981 Popular Science magazine
> edition in the article titled “Compute power - pro models at almost home-unit
> prices.”
>
> “ ‘Personal-computer buffs may buy a machine, bring
> On Apr 25, 2024, at 4:27 PM, Paul Koning via cctalk
> wrote:
>
> Looking at the webpage for the CDC version, I noticed the comment about SB0
> B0 vs. NO and the "lore" about the divide unit. That issue is reported in
> Thornton's book. It wouldn't surpris
Looking at the webpage for the CDC version, I noticed the comment about SB0 B0
vs. NO and the "lore" about the divide unit. That issue is reported in
Thornton's book. It wouldn't surprise me if it were a real issue on the
"preproduction serial number 3" system where that code was first
> On Apr 25, 2024, at 9:43 AM, James Liu via cctalk
> wrote:
>
> Hi,
>
> As some of you may recall, a few years ago I asked for assistance
> reading a 9 track tape containing IBM S/360 source for Martinus
> Veltman's computer algebra program, Schoonschip
>
> On Apr 22, 2024, at 8:14 PM, Bill Gunshannon
> wrote:
>
> On 4/22/2024 2:30 PM, Paul Koning wrote:
>>> ...
>> Of course the VAX started out as a modified PDP-11; the name makes that
>> clear. And I saw an early document of what became the VAX 11/780, labeled
>> PDP-11/85. Perhaps that
> On Apr 22, 2024, at 7:03 PM, Chuck Guzis via cctalk
> wrote:
>
> On 4/22/24 14:34, dwight via cctalk wrote:
>
>> For those that don't know what a UV(UX)201 was, it was most commonly used
>> for audio amplification in early battery powered radios. These used a lot of
>> filament current,
They sure do now, but not back in 1964. :-)
paul
> On Apr 22, 2024, at 5:13 PM, Mike Katz via cctalk
> wrote:
>
> Compilers do that with what is called loop rotation optimization.
>
> On 4/22/2024 3:59 PM, Chuck Guzis via cctalk wrote:
>> On 4/22/24 13:53
> On Apr 22, 2024, at 4:59 PM, Chuck Guzis via cctalk
> wrote:
>
> On 4/22/24 13:53, Paul Koning via cctalk wrote:
>> In COMPASS:
>>
>> MORE SA1 A1+B2 (B2 = 2)
>> SA2 A2+B2
>> BX6 X1
>> LX7 X2
>&g
> On Apr 22, 2024, at 3:31 PM, ben via cctalk wrote:
>
>
> >One other factor is that RISC machines rely on simple operations >carefully
> >arranged by optimizing compilers (or, in some cases, >skillful programmers).
> > A multi-step operation can be encoded in a >sequence of RISC
> On Apr 22, 2024, at 4:21 PM, Mike Katz via cctalk
> wrote:
>
> Once CPUs became faster than memory the faster the memory the faster the CPU
> could run.
>
> That is where CACHE came in. Expensive small high speed ram chips would be
> able to feed the CPU faster except in case of a
> On Apr 22, 2024, at 4:24 PM, Mike Katz via cctalk
> wrote:
>
>> Again, not impossible, but very likely not feasable.
>
> Well not possible with the hardware available at the time.
>
> If one cycle per minute or less is acceptable then I guess it was possible.
>
> That is why we used in
> On Apr 22, 2024, at 4:21 PM, Chuck Guzis via cctalk
> wrote:
>
> On 4/22/24 13:02, Wayne S wrote:
>> I read somewhere that the cable lengths were expressly engineered to provide
>> that signals arrived to chips at nearly the same time so as to reduce chip
>> “wait” times and provide more
> On Apr 22, 2024, at 3:45 PM, Mike Katz wrote:
>
> Cycle accurate emulation becomes impossible in the following circumstances:
> • Branch prediction and pipelining can cause out of order execution and
> the execution path become data dependent. ...
I disagree. Clearly a logic model
> On Apr 22, 2024, at 2:34 PM, Chuck Guzis via cctalk
> wrote:
>
> On 4/22/24 11:09, Bill Gunshannon via cctalk wrote:
>
>>
>> Following along this line of thought but also in regards all our
>> other small CPUs
>>
>> Would it not be possible to use something like a Blue Pill to make
> On Apr 22, 2024, at 2:09 PM, Bill Gunshannon via cctalk
> wrote:
>
>
>
> Following along this line of thought but also in regards all our
> other small CPUs
>
> Would it not be possible to use something like a Blue Pill to make
> a small board (small enough to actually fit in the
> On Apr 21, 2024, at 9:17 PM, Will Cooke via cctalk
> wrote:
>
>
>
>> On 04/21/2024 7:06 PM CDT Peter Coghlan via cctalk
>> wrote:
>>
>>
>>
>> Why is that? Did the Z80 take more cycles to implement it's more complex
>> instructions? Is this an early example of RISC vs CISC?
>>
>>
> On Apr 21, 2024, at 3:11 PM, ben via cctalk wrote:
>
> On 2024-04-21 8:45 a.m., Mike Katz wrote:
>
>> As for the RP2040 being cheap crap, I beg to differ with you. It is a solid
>> chip, produced in 10s of millions at least. And, I would bet, a better
>> quality chip than your Z-80, if
> On Apr 15, 2024, at 10:05 AM, Christopher Zach via cctalk
> wrote:
>
>> If you want word-addressable, the RF11 will do that. Not the RC11, it has
>> 32 word sectors.
>
> Oh yeah, the pdp11 world had a DF32 like thing with the RF11. Totally forgot
> about that one.
>
> C
The RC11 is
> On Apr 16, 2024, at 10:15 AM, William Donzelli via cctalk
> wrote:
>
>> I'll bet the source was talking about large contemporary storage units that
>> looked like drums or may have been called "drums" but were not actual 50's
>> drum memory with tubes and such. There was no rotating drum
> On Apr 15, 2024, at 1:15 PM, Tom Uban via cctalk
> wrote:
>
> I recall around 1980, the "A" machine at Purdue University Electrical
> Engineering, a PDP-11/70 running Version 7 Unix had a RS04 drum drive used
> for swap. It was getting long in the tooth and when a power failure occurred,
> On Apr 13, 2024, at 5:26 PM, Christopher Zach via cctalk
> wrote:
>
> Was reading the Wikipedia article on Drum memories:
>
> https://en.wikipedia.org/wiki/Drum_memory#External_links
I noticed the question was asked (but not answered): what is the largest
storage capacity found in
> On Apr 13, 2024, at 5:26 PM, Christopher Zach via cctalk
> wrote:
>
> Was reading the Wikipedia article on Drum memories:
>
> https://en.wikipedia.org/wiki/Drum_memory#External_links
>
> And came across this tidbit.
>
> As late as 1980, PDP-11/45 machines using magnetic core main memory
> On Apr 14, 2024, at 2:50 PM, Van Snyder via cctalk
> wrote:
>
> On Sun, 2024-04-14 at 13:15 -0400, Paul Koning via cctalk wrote:
>> The printer I was describing sounds a lot like the Versatec ones you
>> mentioned, including the funny paper and smelly toner. But
> On Apr 13, 2024, at 5:48 PM, Jon Elson via cctalk
> wrote:
>
> On 4/12/24 20:21, Paul Koning via cctalk wrote:
>>
>>> On Apr 12, 2024, at 7:48 PM, Van Snyder via cctalk
>>> wrote:
>>>
>>> ... The other was to print on its &q
> On Apr 12, 2024, at 9:55 PM, ben via cctalk wrote:
>
> Did any one ever use a keyboard to magtape as input device?
My wife did, sort of: for a while she worked with IBM MT/ST word processors.
Those were very early word processing systems that used a custom magnetic tape
cartridge for
> On Apr 12, 2024, at 9:49 PM, ben via cctalk wrote:
>
> On 2024-04-12 7:23 p.m., Paul Koning via cctalk wrote:
>>> On Apr 12, 2024, at 5:54 PM, CAREY SCHUG via cctalk
>>> wrote:
>>>
>>> ...
>>> my favorite terminal 3190 that was ne
> On Apr 12, 2024, at 5:54 PM, CAREY SCHUG via cctalk
> wrote:
>
> ...
> my favorite terminal 3190 that was neon gas, so monochrome, but could take 5
> addresses, and flip between 62 lines of 160 characters (always there), to 4
> terminals of 62x80 any two visible at a time, or 4 terminals
> On Apr 12, 2024, at 7:48 PM, Van Snyder via cctalk
> wrote:
>
> ... The other was to print on its "whippet"
> printer, a very fast electrostatic printer that put soot onto a thermal
> paper that was then heated to "fix" it. There was a huge variac under
> the printer to adjust the heater.
> On Apr 12, 2024, at 3:25 PM, Chuck Guzis via cctalk
> wrote:
>
> On 4/12/24 12:04, Paul Koning via cctalk wrote:
>
>> I remember a concept for a very fast magnetic storage system that didn't
>> become a product, as far as I know. The scheme was to build a larg
> On Apr 12, 2024, at 2:10 PM, Tom Gardner via cctalk
> wrote:
>
> Data Cell - Tape, Card or Disk?
>
> I'm pretty sure the developers thought of the media of the IBM 2321 as tape
> rather than cards, although the strips (of tape) were addressed as disk
> drives (DASD) not tape.
Actually,
> On Apr 12, 2024, at 2:28 PM, Paul Berger via cctalk
> wrote:
>
>
> On 2024-04-12 2:45 p.m., Christian Kennedy via cctalk wrote:
>>
>> On 4/12/24 10:28, Chuck Guzis via cctalk wrote:
>>> Isn't that the IBM 2321 Data Cell drive?
>>
>> Same idea, but I recall the cabinets being lower to
> On Apr 12, 2024, at 9:48 AM, Liam Proven via cctalk
> wrote:
>
> On Fri, 12 Apr 2024 at 13:31, Paul Koning wrote:
>
>> Yes. See also https://en.wikipedia.org/wiki/IBM_2321_Data_Cell . By the
>> standards of the time it was an unusually high capacity storage device, way
>> faster than
> On Apr 12, 2024, at 5:47 AM, Liam Proven via cctalk
> wrote:
>
> On Thu, 11 Apr 2024 at 19:32, Van Snyder via cctalk
> wrote:
>
>>
>> An IBM salesman convinced them to try out a 360/30 with a Data Cell.
>
> No idea what a "data cell" is.
>
> I found this:
>
>
> On Apr 11, 2024, at 2:42 AM, Joseph S. Barrera III via cctalk
> wrote:
>
> On Wed, Apr 10, 2024 at 6:36 AM Murray McCullough via cctalk <
> cctalk@classiccmp.org> wrote:
>
>> I don’t think I truly realized the seminal work done at IBM then
>> (60's&70's).
One interesting historic tidbit
> On Apr 10, 2024, at 5:01 PM, Van Snyder via cctalk
> wrote:
>
> ...
> I think the 360/67 replaced "Halt and Catch Fire" with "Rewind and
> Break Tape."
I always wondered if that wasn't a standard property of IBM tape drives of that
era. The ones I remember from our 360/44 had capstans
onal feature?
>
> --Carey
>
>> On 04/10/2024 11:47 AM CDT Paul Koning via cctalk
>> wrote:
>>
>>
>>> On Apr 10, 2024, at 11:25 AM, Jon Elson via cctalk
>>> wrote:
>>>
> ...
>>>>
>>> ... The model 44 had
> On Apr 10, 2024, at 11:25 AM, Jon Elson via cctalk
> wrote:
>
> On 4/10/24 07:18, CAREY SCHUG via cctalk wrote:
>> Nearly all the 360s were microcoded, so adding a bit more microcode let them
>> emulate 1400/7000 series computers as a standard optional feature. (well the
>> model 44
> On Apr 10, 2024, at 8:18 AM, CAREY SCHUG via cctalk
> wrote:
>
> Nearly all the 360s were microcoded, so adding a bit more microcode let them
> emulate 1400/7000 series computers as a standard optional feature. (well the
> model 44 emulated the 1620, ...
Um, what?
In college I used a
> On Apr 6, 2024, at 11:40 AM, Phil Budne via cctalk
> wrote:
>
> Paul Koning wrote:
>
>> Yes, and some emulations have done this, such as Phil Budne's famous work in
>> SIMH.
>
> Famous?? I'm famous???!!!
>
> To be fair, I started with Douglas W. Jones' PDP8 Emulator.
>
> Which
> On Apr 4, 2024, at 3:12 PM, Brent Hilpert via cctalk
> wrote:
>
>> On 2024Apr 4,, at 7:22 AM, Adrian Godwin via cctalk
>> wrote:
>>
>> This 'scope clock also uses circle generators rather than vectors to
>> produce well-formed characters. It mentions a Teensy controller so I don't
>>
> On Apr 3, 2024, at 6:32 PM, Rick Bensene wrote:
>
> I wrote:
>
>>> The digits are among the nicest looking digits that I've ever seen
>>> on a CRT display, including those on the CDC scopes as well as IBM >>
>>> console displays.
>
> To which Paul responded:
>
>> I have, somewhere, a
> On Apr 3, 2024, at 2:20 PM, Paul Koning via cctalk
> wrote:
>
>
>
>> On Apr 3, 2024, at 1:49 PM, Rick Bensene via cctalk
>> wrote:
>>
>> ...
>> Even with only having to render the digits zero through nine and a decimal
>> po
> On Apr 3, 2024, at 1:49 PM, Rick Bensene via cctalk
> wrote:
>
> ...
> Even with only having to render the digits zero through nine and a decimal
> point (the calculator didn't support negative numbers; they were represented
> using tens complement form), the display generator also used
> On Apr 3, 2024, at 12:28 PM, Martin Bishop via cctalk
> wrote:
>
> Ignore my last - incontinence or is it incompetence
>
> A fairly ordinary GPU, in a PC, could almost certainly provide an XY display
> with Z fade (long persistance phosphor). I use them for waterfall displays
> and
> On Apr 3, 2024, at 11:21 AM, Mike Katz via cctalk
> wrote:
>
> I'm surprised some digital scope manufacturer hasn't implemented X-Y-Z
> control as an option. Driving X-Y was fairly common for certain types of
> signals. And many also used the Z input.
Oh, they offer X/Y display, but
> On Apr 3, 2024, at 11:16 AM, Paul Koning via cctalk
> wrote:
>
>
>
>> On Apr 3, 2024, at 11:01 AM, Guy Fedorkow via cctalk
>> wrote:
>>
>> Vintage computer enthusiasts might want to keep track of where to find
>> CRT-based analog oscillosc
> On Apr 3, 2024, at 11:01 AM, Guy Fedorkow via cctalk
> wrote:
>
> Vintage computer enthusiasts might want to keep track of where to find
> CRT-based analog oscilloscopes, for use as output devices.
> The early MIT and Lincoln Labs computers used D/A converters to steer and
> activate the
> On Apr 2, 2024, at 3:17 PM, Bill Gunshannon via cctalk
> wrote:
>
>
>
> On 4/2/2024 11:01 AM, Jon Elson via cctalk wrote:
>> On 4/2/24 00:03, Just Kant via cctalk wrote:
>>> Accordimg to certain individuals on this list, going back a few years,
>>> electronics/computers can be damaged
ience may convince some to think twice about what they are doing.)
>
> https://www.arrl.org/grounding-and-bonding-for-the-amateur
>
> JRJ
>
> On 4/2/2024 10:13 AM, Paul Koning via cctalk wrote:
>>
>>> On Apr 2, 2024, at 11:01 AM, Jon Elson via cctalk
&g
> On Apr 2, 2024, at 11:54 AM, steve shumaker via cctalk
> wrote:
>
> Company (Polyphaser) web page doesn't seem to list that handbook as an
> available lit product. Can you suggest a source?
>
> Steve
>
>
> On 4/2/24 8:13 AM, Paul Koning via cctal
> On Apr 2, 2024, at 11:01 AM, Jon Elson via cctalk
> wrote:
>
> On 4/2/24 00:03, Just Kant via cctalk wrote:
>> Accordimg to certain individuals on this list, going back a few years,
>> electronics/computers can be damaged due to an electrical storm, presumably
>> very intense activity,
> On Apr 1, 2024, at 8:14 PM, Brent Hilpert via cctalk
> wrote:
>
> On 2024Apr 1,, at 3:33 PM, Just Kant via cctalk wrote:
>>
>> I have more then I need. All the working ones are HP w/color crts, and as
>> far as older, verifiably vintage tools (right down to the 680x0 processor in
>>
> On Apr 1, 2024, at 8:09 PM, Bill Gunshannon via cctalk
> wrote:
>
>
> On 4/1/2024 7:12 PM, Rick Bensene via cctalk wrote:
And still works! Built to withstand an atomic bombardment.
>> Except for the EMP. It'll theoretically render such devices nice looking,
>> well-built scrap.
>>
> On Mar 28, 2024, at 9:44 PM, ben via cctalk wrote:
>
> On 2024-03-28 5:50 p.m., Fred Cisin via cctalk wrote:
>
>> OTOH, spammer mailing lists, and leaked personal and trade secrets seem to
>> last forever.
>
> You forgot Mickey Mouse.
Not any more; Steamboat Willy is in the public
> On Mar 28, 2024, at 1:02 PM, Alessandro Mazzini via cctalk
> wrote:
>
> Sorry if I intrude... now is no more possible to obtain hobbyist licenses for
> vms ??
You can still get one for OpenVMS/x86.
paul
> On Mar 26, 2024, at 2:59 PM, steve shumaker via cctalk
> wrote:
>
> and, if you inquire in the right places, there is law enforcement focused
> forensic analysis software specifically designed to acquire RAID volumes and
> rebuild the data.
>
> Steve
Yes, though from the one time I
> On Mar 26, 2024, at 10:08 AM, Bill Gunshannon via cctalk
> wrote:
>
>
>
>
> On 3/26/2024 9:15 AM, Paul Koning wrote:
>>> On Mar 26, 2024, at 8:57 AM, Bill Gunshannon via cctalk
>>> wrote:
>>> ...
>> Do you have just part of the RAID set, or enough disks to make a complete
>> one?
>
> On Mar 26, 2024, at 8:57 AM, Bill Gunshannon via cctalk
> wrote:
>
>
>
> On 3/25/2024 9:51 PM, Henry Bent wrote:
>> On Mon, 25 Mar 2024 at 20:14, Bill Gunshannon via cctalk
>> mailto:cctalk@classiccmp.org>> wrote:
>>Oops. I guess the fingers work as good as the memory. Sorry
>>
> On Mar 24, 2024, at 12:31 PM, Adrian Godwin via cctalk
> wrote:
>
> It's well known that a necktie restricts the supply of blood to the brain.
One of my DEC coworkers called it a "cranial tourniquet".
paul
> On Mar 23, 2024, at 11:16 AM, Bill Gunshannon via cctalk
> wrote:
>
>
>
> Here's something operators of older systems might find useful.
>
> Allied Telesis CentreCOM 210TS Twisted Pair Transciever
> IEE 802.3 10 BASE-T (MAU)
>
> I have 14 used and another 14 still in the box,
> On Mar 23, 2024, at 11:04 AM, Doc Shipley via cctalk
> wrote:
>
> On 3/23/24 09:53, Paul Koning via cctalk wrote:
>> Yes. So Unix did have a shutdown procedure, and it was particularly
>> critical to do it and do it right. I remember when I first heard about
> On Mar 22, 2024, at 6:38 PM, Diane Bruce via cctalk
> wrote:
>
> On Fri, Mar 22, 2024 at 11:00:25PM +0100, Warner Losh via cctalk wrote:
>> On Fri, Mar 22, 2024, 10:54 PM Zane Healy via cctalk
> ...
>> Even v7 Unix didn't have halt or reboot.
>
> sync;sync;sync
> power off
>
> I
> On Mar 22, 2024, at 10:59 AM, Jerry Weiss wrote:
>
> I make sure that any disk squeeze is complete and other programs are
> quiescence.
Good point -- while the OS doesn't have a shutdown procedure, some application
and utilities don't want to be interrupted in the middle of specific
> On Mar 21, 2024, at 9:35 PM, W2HX via cctalk wrote:
>
> Ok, Bill. Still feels strange. No need to park the HD head either I guess.
DEC disks do that themselves, at power down.
paul
> On Mar 17, 2024, at 2:58 PM, Warner Losh via cctalk
> wrote:
>
> On Sun, Mar 17, 2024, 12:54 PM Douglas Taylor via cctalk <
> cctalk@classiccmp.org> wrote:
>
That matches what a DEC FE told me, at least about the VAX version: the
people were just DEC employees that caught
> On Mar 17, 2024, at 12:35 PM, Warner Losh via cctalk
> wrote:
>
> On Sun, Mar 17, 2024, 10:12 AM Jon Elson via cctalk
> wrote:
>
>> On 3/17/24 09:13, Bill Gunshannon via cctalk wrote:
>>>
>>> I have often wondered about the people we find in the various
>>> DEC Processor (and other)
> On Mar 17, 2024, at 10:13 AM, Bill Gunshannon via cctalk
> wrote:
>
>
> I have often wondered about the people we find in the various
> DEC Processor (and other) books. Were they models in staged
> photo-sessions or were these candid shots from DEC facilities
> and if so, can anyone
> On Feb 27, 2024, at 5:22 PM, CAREY SCHUG via cctalk
> wrote:
>
> OK, probably the hardest part is the floppy disk, as the mechanics corrode
> over time
> more than chips.
>
> People have built electronics to connect to a floppy cable and emulate a drive
> electronically. Difficult to
> On Feb 27, 2024, at 4:49 PM, CAREY SCHUG via cctalk
> wrote:
>
> Religion warning: I was a mainframer. Since at any practical budget, they
> can only be emulated,
Depends on your definition of emulated. Is an FPGA version merely an
"emulation"? You might say yes if it's a
> On Feb 27, 2024, at 1:17 AM, Dr. Erik Baigar via cctalk
> wrote:
>
>
> Hi there - recently I posted a small video on a rugged
> paper tape casette...
>
> https://www.youtube.com/watch?v=O2jnThYsPKc
>
> I wonder whether anyone kows if someone else had the idea
> of putting paper/mylar
> On Feb 1, 2024, at 9:52 AM, Henry Bent via cctalk
> wrote:
>
> On Thu, 1 Feb 2024 at 09:37, Paul Koning via cctalk
> wrote:
>
>>
>>
>>> On Jan 31, 2024, at 7:16 PM, Bill Degnan via cctalk <
>> cctalk@classiccmp.org> wrote:
>>
> On Jan 31, 2024, at 7:16 PM, Bill Degnan via cctalk
> wrote:
>
> The Enter museum in Switzerland has a nice library of docs. I found that
> museum to be chock full of interesting German and other computers. Worth
> the trip.
> Bill
Is any of that online?
One frustrating thing about
> On Jan 31, 2024, at 1:39 PM, Wouter de Waal via cctalk
> wrote:
>
>
>> I have found that computers are much like motorcycles: many of the most
>> interesting were never available in the US.
>
> Computers are much like motorcycles: many of the most interesting ones were
> TERRIBLE!
I
> On Jan 30, 2024, at 6:48 PM, Chris Hanson via cctalk
> wrote:
>
> On Jan 30, 2024, at 3:25 PM, Bill Degnan via cctalk
> wrote:
>>
>> thanks. I suppose that gives me enough idea what time period and use they
>> had
>
> VMEbus was widely used as a successor to MultiBus in the
> On Jan 29, 2024, at 8:47 PM, Jonathan Chapman via cctalk
> wrote:
>
>> This apparently is true of some capacitors as well, I'm not sure which types.
>
> It is true of all capacitors (CRTs are intentional capacitors, after all)
> designed for and subjected to sufficiently high voltage.
> On Jan 29, 2024, at 6:59 PM, Pete Turnbull via cctalk
> wrote:
>
> On 29/01/2024 20:45, William Sudbrink via cctalk wrote:
>> Sellam Abraham wrote:
>>> I think you were fine. That's how you discharge them anyway. You
>>> were just missing the grounding wire :)
>
>> I'd rather not be the
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