On 5/1/19 6:58 PM, Dennis Boone via cctalk wrote:
> > I got a great pair of cables for this project. 50 conductor, 50 pin
> > IDC, 10 feet long.
>
> So the minicomputer vendors in the 80s typically used twisted pair
> ribbon for these things, as in the 1700/50 stuff Glen was talking
> about. I
On 5/6/19 1:19 PM, Al Kossow via cctalk wrote:
> seriously?
> did you see my previous post?
>
> this has NOTHING to do with floppies.
>
If "1A ESS" means the same thing to me, it's a piece of Telco gear for
the 1A ESS.
If not, I dunno.
--Chuck
On 5/6/19 2:21 PM, Mark Linimon via cctalk wrote:
> On Mon, May 06, 2019 at 09:28:03PM +0200, Mattis Lind via cctalk wrote:
>> Maybe of interest to someone?
>
> Oh cool! I remember it as being a neat industrial design.
We used to call them "Spectrolas". Very user-microprogrammable for the
time
On 5/10/19 12:45 PM, Donald via cctalk wrote:
> http://www.myimagecollection.com/webpics/unknownmachine.jpg
>
>
>
> The model number looks like 9603. Can't tell for sure. The box in back has
> the 14xx flavor.
IBM 9603 WALNUT - Microfilm image storage and retrieval system. Read
about it on
Found a bit more detail on WALNUT:
https://nvlpubs.nist.gov/nistpubs/Legacy/TN/nbstechnicalnote157.pdf
See page 86. Includes some B&W photos, including one of the unit that
you show.
Was WALNUT ever used outside of the CIA?
--Chuck
On 5/10/19 2:57 PM, Fred Cisin via cctalk wrote:
With no first-hand knowledge, I would assume that NSA also used such.
>
> Half a century ago, when I worked at The National Space Science Data
> Center (NASA, Greenbelt) we dealt with a lot of data. But that is like
> a floppy compared to NSA, esp
On 5/11/19 8:22 AM, Douglas Taylor via cctalk wrote:
> Finding a PC that supports the 5-1/4" floppy drive is difficult, the
> BIOS or FDC chips only support 3-1/2" floppies in many late model PC's.
> It appeared only a few of the older PC's that supported the 5-1/4"
> drives could actually change
On 5/11/19 11:40 AM, Fred Cisin via cctalk wrote:
> On Sat, 11 May 2019, Chuck Guzis via cctalk wrote:
>> In the case of RX50 on the PC, it doesn't matter. The format is 10
>> sectors of 512 bytes, which isn't supported by the PC BIOS in any
>> regular sense (9
On 5/11/19 2:00 PM, Fred Cisin via cctalk wrote:
> Although I enjoyed DeSmet C, I used Microsoft C for all subsequent high
> level language progams that I wrote. For example, I wrote the screen
> capture TSR of "XenoFont" in MASM, and the printing program in Microsoft
> C; I wrote "Sales tax Geni
On 5/11/19 4:14 PM, Warren Toomey via cctalk wrote:
> I'm building my own 8-bit CPU from TTL chips, and this caused me to think:
> how were 32-bit minis built in the late 70s and early 80s? In particular,
> how was the ALU built? I know about the 74181 4-bit ALU, and I know (from
> reading A Soul o
On 5/11/19 8:52 PM, Nigel Williams via cctalk wrote:
> Marketing at the time even had a catchy name for the 32-bit minicomputer:
>
> https://en.wikipedia.org/wiki/Superminicomputer
>
Personally, I preferred "the Naked Mini"
https://www.computerhistory.org/revolution/minicomputers/11/359
--Chu
On 5/11/19 9:52 PM, ben via cctalk wrote:
> On 5/11/2019 10:12 PM, Chuck Guzis via cctalk wrote:
>
>> Personally, I preferred "the Naked Mini"
> Used for porn world wide.:)
>> --Chuck
>
Maybe--it was an 8 bit mini, so not very powerful. Mostly used in what
On 5/12/19 3:41 PM, Charles via cctalk wrote:
> I have tried for two days to get wireless networking running on my old
> PC under Win 98SE, so I can use PUTR without a separate partition or
> boot. XP is on an 8.4 GB drive. 98SE is on an older 540 MB drive.
The older Linksys WMP54G and GS will wor
Something else you may want to consider if your 98SE box has a
traditional NIC is using a cheap wifi-equipped micro as a network
bridge. I've done that using an Orange Pi Zero and it works very well.
Wfi to the OPZ and RJ-45 to the 98SE system. No need for fancy network
negotiation on the Win98
On 5/12/19 7:33 PM, Grant Taylor via cctalk wrote:
> On 5/12/19 6:29 PM, Chuck Guzis via cctalk wrote:
>> Something else you may want to consider if your 98SE box has a
>> traditional NIC is using a cheap wifi-equipped micro as a network
>> bridge. I've done that usin
On 5/13/19 11:58 AM, Grant Taylor wrote:
> On May 12, 2019, at 10:17 PM, Chuck Guzis via cctalk
> wrote:
>> Don't know a thing about gaming and never wanted to--wrong generation, I
>> guess.
>
> Perhaps “gaming adapter” is the wrong term for this audience.
>
&
On 5/13/19 4:05 PM, Charles via cctalk wrote:
>> You could have installed a gaming adapter, opened the web page,
>> connected it to the wireless and been done.
>
> Sure, but you assume I know anything about online gaming (I don't); it
> would require purchasing one, *and* I already had the Linksys
On 5/13/19 4:21 PM, Grant Taylor via cctalk wrote:
> "gaming adapter" is a broad category like "vacuum / hoover" or "copier /
> Xerox" or "tissue / Kleenex" or "automobile". All of which have many
> names that can be used equally across many different broad categories.
>
> "Gaming adapters" take
On 5/13/19 7:50 PM, Grant Taylor via cctalk wrote:
> On 5/13/19 5:38 PM, Chuck Guzis via cctalk wrote:
>> So which term came first, "gaming adapter" or "network bridging"?
>
> Without a doubt, "network bridging". But good luck going into the
> ave
On 5/13/19 9:10 PM, Grant Taylor via cctalk wrote:
> On 5/13/19 10:04 PM, Tony Duell via cctalk wrote:
>> Those who know me, for example, will know I have little interest in
>> physical exercise. But I bought a mat intended for such activities
>> because it was a suitable material for lininng a ca
On 5/14/19 7:19 AM, Chris Elmquist wrote:
> But now you are going to be bombarded with ads for yoga pants...
Sure, picture me in yoga pants--and before lunch yet. Have you no
respect for utter revulsion?
--Chuck
One other problem I have with the term "gaming adapter" is the overuse
by the marketeers of the term "gaming". So we have gaming systems,
keyboards, monitors, mice, chairs and probably coffee cups. The
original meaning of "to game" is "manipulate (a situation), typically in
a way that is unfair
A kindly donor sent me an external numeric keypad from Data General. It
has the right keycaps and color for a DG One laptop. Model number
2568. Connection is via a 3-terminal plug; basically a miniature
stereo headphone plug.
I'll give this up to a One collector who can identify this for cert
Okay, Newegg dropped a deal on a Seagate 25B "Gaming" SSHD. Exactly
what does that mean?
--CHuck
On 5/18/19 8:25 AM, Al Kossow via cctalk wrote:
>
>
> On 5/18/19 7:33 AM, Shoppa, Tim via cctalk wrote:
>
>> Is there any outfit that sells "new tape seals"? Or a preferred better way
>> to hang tapes in 2019?
>
> FWIW, IBM auto-load hard plastic seems to be holding up better, you might be
>
On 5/19/19 6:37 PM, Guy Dunphy wrote:
> Just a thought - I buy small ziplock bags of various sizes in bulk from
> Aliexpress. Very cheap.
> I use them around the workshop, electronics, and for filing B5-sized
> documents in storage cubes.
>
> It seems likely there would be ziplock bags that fit
The model 20 installations that I played with were mostly to supplant
unit-record gear, which typically did not use a raised floor
configuration. Mostly the CPU, card mulcher, printer and perhaps a 2311.
The installation auctioned off is one of the larger Model 20 setups that
I've seen.
--Chuck
On 5/20/19 2:04 PM, Adrian Stoness via cctalk wrote:
> try crawling under them
You'd only upset the mice and the cockroaches. I recall that back in
the day at CDC SVLOPS, the local CEs made a pet of one of the sub-floor
mice. Field crickets were a problem back then too--the moment that the
weath
On 5/21/19 12:34 PM, William Donzelli via cctalk wrote:
> I might think far more "obsolete" than "bad idea". It worked very well
> for the mainframe folks.
...except when it didn't. On more than one occasion, I recall watching
some poor soul with a cart balanced with long (3 foot) trays full of
On 5/21/19 12:55 PM, William Donzelli wrote:
> You can't blame anyone but they idiot using a 3 wheel cart while
> moving decks of cards. No sympathy from me.
They were using what was available. I&R bought their own four-wheel cart
(looked like a standard gray industrial shop cart that you can purc
On 5/21/19 1:17 PM, Grant Taylor via cctalk wrote:
> I'm sure that was /a/ problem. But I'm not comfortable attributing that
> problem to the raised floor.
>
> I expect that the same problem would be effected by an elevator that
> doesn't stop perfectly level with the floor, or has too wide a ga
On 5/22/19 12:49 AM, Christian Corti via cctalk wrote:
> On Tue, 21 May 2019, Patrick Finnegan wrote:
>> Plumbing (unless you're doing aisle containment or RDHx) shouldn't run
>> through the IT space in the data center.
>
> So how exactly do you attach a modern water cooled rack system to your
> c
On 5/24/19 9:12 PM, Carlos E Murillo-Sanchez via cctalk wrote:
> Sulfuric acid is hard to wash off; the amount that made it to the room
> must have been pretty small, otherwise people couldn't be allowed in.
> And, if it was bad enough to corrode boards, imagine what that would do
> to your lungs
On 5/28/19 10:35 AM, William Donzelli via cctalk wrote:
> Those knobs look like they are cast pop metal or zinc or something,
> not Bakelite.
What flavor pop? ("pot" metal or monkey metal).
--Chuck
I've got a few old reels of milk-chocolate brown 7-track tape here and
was wondering if it's possible to date them accurately. The reels
themselves have the Audio Devices name molded into them; the rear white
flange is quite yellowed with age. The tapes have been used quite
heavily as they've be
I had a look at a couple of additional reels of Audio Devices tape from
1965 and 1966. Both were darker and labeled with an "Certified for 800
bpi" sticker and well as a "Heavy Duty Made with 1.5 mil DuPont Mylar".
I'm concluding that the tape in question is pretty darned old.
--Chuck
On 6/7/19 8:25 AM, Jon Elson via cctalk wrote:
> On 06/05/2019 06:05 PM, Stan Sieler via cctalk wrote:
>> Hi,
>>
>> I think someone was looking for tape seals for 9 track tapes, a few weeks
>> ago.
>>
>> If they can contact me offline, I have about 20 of varying sizes for
>> shipping cost or local
Another failure category that I've experienced with very old IBM reels
is that the "blue back" ones can have a tendency to come apart; that is,
the rear flange separates from the front.
The "blue" ones are a bit different in attachment from the "brown" ones
in that the two halves are held together
On 6/10/19 8:44 PM, Tony Duell via cctalk wrote:
>
> You can detect sequential logic in the PAL by :
>
> For each combination of inputs :
>Read the outputs
> Toggle an input (change from 0 to 1 and back again or vice versa)
> Compare the outputs to what they were before -- if they
On 6/11/19 10:54 AM, Tony Duell via cctalk wrote:
> I have just remembered something that I guess you realised some time
> back...
>
> The 16L8 allows you to tri-state outputs under logic control (I think there's
> one AND term for the output control of each output). I suspect this is used
> in t
On 6/11/19 11:40 AM, Paul Berger via cctalk wrote:
>
> Well in this case I have Mr Duell's schematic to go by to determine what
> is input an what is output. For the 16L8 tristate is an available
> output option that you would need to specify in PLD design and I believe
> can be selected individua
On 6/12/19 10:14 AM, Paul Koning via cctalk wrote:
>
>
>> On Jun 12, 2019, at 11:59 AM, Liam Proven via cctalk
>> wrote:
>>
>> Goes a bit over my head but may be of interest:
>>
>> https://userpages.umbc.edu/~vijay/mashey.on.risc.html
>
> Nice. Still reading through it.
>
> I like his defini
On 6/12/19 1:47 PM, alan--- via cctalk wrote:
>
> I especially appreciated he not only offered an opinion - his specific
> ideas on where the boarder between RISC and CISC was - but then provided
> an analysis of a bunch of processors based on those criteria and an
> analysis of the outliers that
I'm handling some tapes from the late 60s-early 70s and came across a
curious situation.
There are many Scotch 701 and 777 tapes in the lot with "yellow" labels,
but on the single 777 "blue label" tape, I've encountered binder bleed
something fierce. Running a reel through the tape cleaner at low
On 6/15/19 7:47 AM, Stefan Skoglund wrote:
>
> With VAX 11/780 and S/360 involved ? I don't think so soo
> the Cyber series and 709(4) could be interesting.
It's difficult to say exactly, because of the constraints on the
definition. Or does something have to be RISC only if it came after
the
On 6/15/19 3:40 PM, ben via cctalk wrote:
> On 6/15/2019 8:47 AM, Stefan Skoglund via cctalk wrote:
>
>> With VAX 11/780 and S/360 involved ? I don't think so soo
>> the Cyber series and 709(4) could be interesting.
>
> Well the early 1960's was the rise of BIG IRON that had REAL POWER
> and that
On 6/16/19 8:17 AM, Noel Chiappa via cctalk wrote:
> Still, the basic idea of RISC still applies; make the CPU clock rate as fast
> as
> possible by making the instructions simple, and let software deal with the
> resulting
> issues.
I'll mention in passing here that the goal of executing the m
On 6/27/19 7:30 AM, Noel Chiappa via cctalk wrote:
> > From: Liam Proven
>
> > This is *epic*.
>
> Indeed. I was blown away by the complexity of his technique for reading
> the digits.
>
> I can't believe there wasn't a much easier technique, though, e.g. using a
> logic analyzer and a s
I still use KyRead (older 70s era versions were Magnasee and Visomag),
which are applied directly to the magnetic medium. Basically a mixture
of micron-sized pyrolytic iron powder and an inert, rapidly-evaporating
carrier. Shake the bottle up and drop some on the medium. As the
carrier evaporat
On 6/27/19 10:03 AM, John Foust via cctalk wrote:
> At 11:32 AM 6/27/2019, Jon Elson via cctalk wrote:
>> If you google "magnetic tape viewer" they have pictures of what I think the
>> earlier poster described.
>
> I see quite a few on eBay and Amazon. Looks like you just need to
> pick a Japan
On 6/28/19 9:57 AM, Fred Cisin via cctalk wrote:
>>> I saw this half-dollar sized plastic fob on the desk and asked what
>>> it was for.
The big failure of the Susan B. Anthony coin was that it was about the
same size (slightly different shape) as a quarter-dollar coin, causing
people to mistake t
On 6/28/19 12:18 PM, Chuck Guzis via cctalk wrote:
>
> FWIW, I just checked my "loose change" container that sits atop my
> bedroom dresser. There were two Kennedy half-dollars--one from 1968 and
> the other from 1983. I suspect that a great many are still in
> circula
On 6/29/19 3:39 AM, Liam Proven via cctalk wrote:
> You use nicknames for 2 denominations which most of us foreigners
> don't know -- I still don't know which is a "nickel" (which is a metal
> to me) and which is a "dime" (which is a Swedish chocolate-covered
> sweet bar, of which I'm very fond bu
Anyone know what hardware was at NASA Ames in the late 70s? I've got
some tapes from there and would like to avoid guessing.
--Chuck
On 7/2/19 4:55 AM, Nigel Williams wrote:
> On 2 Jul 2019, at 1:34 pm, Chuck Guzis via cctalk
> wrote:
>> Anyone know what hardware was at NASA Ames in the late 70s? I've
>> got some tapes from there and would like to avoid guessing.
> Well excitingly it was home to t
Those who quibble about the ftp being a separate entity from mail
protocol would do well to look at RFC 524 from 1973. There, the MAIL
command is implemented within the ftp structure (that is, it is an ftp
command).
I've found it interesting that 524 never addresses the matter of data
representat
On 7/8/19 7:43 AM, Ethan O'Toole via cctalk wrote:
>> Actually the cheapest Apple-1 reproduction is just over 4 figures. A
>> reproduction with date correct components cost as much as 5 figures.
>> A work-alike like a replica-1 is cheap, maybe $150
>
> No idea why people would go 5 figures on a r
On 7/8/19 8:25 AM, Liam Proven via cctalk wrote:
>
> Spoken like a non-collector. :-)
I suppose that's the root of it. I'm basically a pragmatist. I give
away old hardware that no longer has any use to me. When I am
eventually forced to downsize, (or my widow is) most of the stuff will
go eit
On 7/10/19 7:14 PM, Fred Cisin via cctalk wrote:
>>> They have hub rings, so they are probably 360K
To add a bit to Fred's excellent explanation, I can offer the following:
While the hub ring is *generally* a good indicator of "2D" versus "HD"
disks, I've seen exceptions. Early 2D floppies did n
On 7/12/19 4:25 AM, Electronics Plus via cctalk wrote:
> These do not come available very often. Not affiliated with seller, etc.
>
>
>
> WTS EVEREX SYSTEMS PCT04, REF, qty 5, CALL, TAPE CONTROLLER 16 BIT ISA
>
>
> Sajjad Mukhi
> Sales/purchasing
> FML Computers Inc
> Phone: 407-637-2922 To
On 7/18/19 11:38 AM, Mark J. Blair via cctalk wrote:
>
>
>> On Jul 17, 2019, at 10:43 PM, Dave Wade via cctalk
>> wrote:
>> I think even if you have the key it fails today. There was a thread recently
>> on comp.os.vms
>>
>> Saying it expires after days and theirs had just expired...
>
>
On 7/18/19 10:01 PM, Guy Dunphy via cctalk wrote:
> I have a lot more to say about the wisdom of destroying original publications
> to scan them, especially when you are not already an expert at scanning and
> the many tradeoffs.
> But have to go afk just now.
It would seem to be possible today.
This is in reference to my earlier post about Scotch 777 half-inch
open-reel tapes. I'd reported that I encountered a tape that displayed
binder bleed, such that the tape would stick to the heads and guides.
This was a tape that had been both baked and cleaned.
Coating the tape with a film of cy
On 7/19/19 8:59 PM, Adrian Stoness wrote:
> same as sticky shed syndrome?
No, not exactly--it's more like binder bleed-through. The oxide remains
firmly attached to the base, but there is a film of either gummified
lubricant or binder that fouls up things.
Normally, if it's sticky-shed, the tape
On 7/20/19 9:24 AM, Dennis Boone via cctalk wrote:
> > Coating the tape with a film of cyclomethicone allowed it to be
> > successfully read.
>
> I'm curious what mechanism you use for the coating?
A thick (1/4") felt strip glued to a large PVC pipe cap with a few small
(#60) holes drilled in i
On 7/20/19 10:18 AM, Mark J. Blair via cctalk wrote:
>
>> On Jul 20, 2019, at 9:38 AM, Chuck Guzis via cctalk
>> wrote:
>>
>> your cleaning machine
>
> I do not have a cleaning machine. Do you suppose a cyclomethicone applicator
> fabricobbled into the
On 7/21/19 11:41 AM, ED SHARPE via cctalk wrote:
> Great
> info!https://www.zdnet.com/article/to-the-moon-ibm-and-univac-appollo-11s-integrators/?ftag=TREc64629f&bhid=46856739
Since I'm just winding up (I hope!) archiving a batch of tapes from JPL
from the 60s and 70s, I might toss in a word or t
On 7/28/19 1:02 PM, Jerry Weiss via cctalk wrote:
> This method is not limited to "vintage" components.
>
> My MacBook Pro 2011 fails dues to its (famous) problem with the discrete
> AMD GPU connections. A reflow restores the laptop, but inevitably I
> have repeat the process every few months. D
On 7/20/19 10:18 AM, Mark J. Blair via cctalk wrote:
>
>> On Jul 20, 2019, at 9:38 AM, Chuck Guzis via cctalk
>> wrote:
>>
>> your cleaning machine
>
> I do not have a cleaning machine. Do you suppose a cyclomethicone
> applicator fabricobbled into the ta
On 8/8/19 12:25 AM, Christian Corti via cctalk wrote:
> On Wed, 7 Aug 2019, Michael Thompson wrote:
>> can be connected to both 7-track and 9-track drives. The TU20 drive on
>> the
>> PDP-9 at the RICM is a 7-track drive. The only difference between the
>> 7-track and 9-track versions of the TU20 i
On 8/9/19 9:05 PM, Douglas Taylor via cctech wrote:
> I have a question about cable length - any electrical engineers in the
> house?
>
> Connected a Qualstar 1260 tape drive to an Emulex TC02 qbus tape
> controller in a pdp-11/53. The interface is pertec with 2 50 pin cables.
>
> When I use a p
On 8/10/19 9:45 AM, Douglas Taylor via cctech wrote:
> I bought the long cables off ebay, so they have to be good? Right? I
> think the short cables came from a hamfest.
>
> The cables can be fairly long, I remember interfacing a TU80 to an
> Emulex QT14 (maybe) and the DEC cables were round and
On 8/11/19 9:11 AM, W2HX via cctech wrote:
>> All of my Pertec tape drives (in the past) were located in
> a differentrack from the actual computer so the cables were
> always over 10' long and usually close to if not 20'. Never
> had a problem.
I stand by my commentary re Qualstar 1xxx drives.
On 8/11/19 6:00 PM, Douglas Taylor via cctech wrote:
> I just looked at the TC02 and the Qualstar, there are termination
> resistor packs on each. The Qualstar has a bunch of 74LS240 IC's near
> the J1 and J2 pertec interface cables. The TC02 has a bunch of 74LS374
> chips near the J1 and J2 con
On 8/11/19 8:51 PM, Douglas Taylor via cctech wrote:
>
> The TC02 is an Emulex TS11 emulation for pertec interface tape drives.
> The J1 and J2 are sort of standard terminology, don't know why.
Ah, the *Emulex* TC02. You had me going there--DEC also has a DECtape
controller called the TC02.
L
On 8/12/19 12:31 PM, William Donzelli via cctalk wrote:
> It was an uncommon option for lower end Cyber 180s.
>
Don't know the date of the unit shown, but in the early-mid 1970s, we
used acres of 844-21(IIRC ~100MB) and 844-41 drives (IIRC ~200MB).
Don't know what the OEM model would have been.
On 8/12/19 8:11 AM, Douglas Taylor via cctech wrote:
> The bad news is that the cable lengths must be short to use the Qualstar
> 1260 with a PDP11, the good news is that I can lift and carry the tape
> drive! For many of us in this hobby that it is extremely important.
>
> After looking at pict
On 8/12/19 8:16 AM, Nigel Johnson via cctalk wrote:
> Another consideration with the TC02 is the small buffer. I don't know
> what tape speed your drive runs at, but we lost a lot of sales to Dilog
> because of buffer overflow on some of the faster CDC dirves. When we
> came out with the TC03, it
On 8/14/19 8:04 PM, dwight via cctalk wrote:
> Some of the newer larger SD cards use a different write voltage than 3.3V.
> There is a ways of asking the card what voltage it likes during the init.
> Using the full 3.3V on these parts can damage them.
> They are all required to init with 3.3V but
There are the old radio guys who seem to hoard NOS caps.
You may want to check these guys to see if they have something that
might fit:
https://www.vivatubes.com/
https://www.justradios.com/
Personally, rather than depend on the condition of a very old
electrolytic, I'd probably rebuild "in the
On 02/28/2017 09:42 AM, Seth Morabito via cctalk wrote:
> Synertek used an LM311 (an LM358 would work just fine) to build a
> comparator circuit. I _think_ you could use this exact circuit to
> take the analog output from the CoCo and turn it into a 5V sqauare
> wave.
I don't know a thing abo
On 02/28/2017 03:05 PM, Noel Chiappa via cctalk wrote:
> I seem to have some bizarre brain dysfunction where I have a very
> hard time understanding even the simplest analog circuits. You, or
> someone like Brent Hilpert (whose explanation of core memory drivers
> I still remember :-) can explain
On 02/28/2017 03:18 PM, Torfinn Ingolfsen via cctalk wrote:
> FWIW, reply and reply all in Gmail web interface now lists both
> addresses (originator and mailing list). I don't know if this is a
> change again.
>
> Also, I find it somewhat funny in a bizarre way that people on this
> list who h
On 02/28/2017 03:40 PM, Paul Berger wrote:
> Well I am using Thunderbird 45.7.1 and I see this "Chuck Guzis via
> cctalk " as "From" in your message.
>
Hmmm, this is very puzzling. Your message does indeed show up as being
from "Paul Berger", by the m
On 02/28/2017 05:21 PM, Jon Auringer wrote:
>
> Chuck,
>
> I had the same display issue. Uncheck "Show only display name for
> people in my address book" under Tools-Options-Display-Advanced.
Jon,
Thanks for the hint! I'm using the Linux version of Thunderbird, so the
setting isn't under "Tool
On 03/01/2017 11:14 AM, Charles Anthony via cctalk wrote:
> Part of the iconic mainframe experience is the cold room sounds; for early
> Multics installations (and other systems) the sound of the Selectric
> operator's console.
There is no way that I'd wish anyone would have to put up with the 80+
On 03/01/2017 11:46 AM, Tony Duell wrote:
> But presumably on an emulator there will be some kind of volume
> control. Or even unplug the speaker(s) if you want silence...
But then, what of the "realism"? Is the sound of a half-ton of
dynamite going off realistic at 50 dB? Many aspects of "th
On 03/01/2017 07:21 PM, Jon Elson via cctalk wrote:
> Well, we still had a Selectric (1050) on our 360/65 at Washington
> University up until the end. I'm pretty sure it was the most
> unreliable part of the machine. It seems about every two weeks it
> would break the timing belt, which meant t
On 03/04/2017 01:13 PM, Mark J. Blair via cctalk wrote:
> Having experienced both 1980s computer rooms and passing kidney
> stones, I would like to offer my opinion that visiting a noisy
> computer room is something quite fun to do at least once, while one
> could skip the experience of passing ki
On 03/04/2017 01:27 PM, Mark J. Blair via cctalk wrote:
>
> I mostly remember the shop-vacuum-like whine of the vacuum pump, and
> the fluttery thwack of the tape loops forming on load-up. The other
> tape motion sounds didn't stick in my memory so much. I do remember
> the buzzy grind of the cap
On 03/05/2017 12:02 AM, Mark Linimon wrote:
> On Sat, Mar 04, 2017 at 01:34:25PM -0800, Chuck Guzis via cctalk
> wrote:
>> terrible fluorescent lighting.
>
> There's another kind?
The fixtures themselves were so high that they *did* make for some
recreation. Bored op
On 03/05/2017 10:41 AM, Mark J. Blair via cctalk wrote:
>
> So, was the write enable state latched at some point in the loading
> cycle on those drives? That surprises me, because I would have
> expected the write enable sensor to interrupt write current as
> combinatorial function on the drive, a
On 03/05/2017 12:18 PM, Jon Elson via cctalk wrote:
>
> Mention above about the vacuum capstans. Some really old drives had
> two continuously counterrotating capstans with slots in them. Valves
> applied either air pressure, to make the tape float over the capstan,
> or vacuum, to make the capsta
On 03/06/2017 11:23 AM, Richard Cini via cctalk wrote:
> I bought 4x2 (4', 2 bulb) replacement LED fixtures on Amazon to swap
> out some of the fluorescent fixtures in my shop. You can get 3 color
> temperatures (I got 2700k I think). Hard-wired, but an easy install
> and the light is very bright.
On 03/10/2017 09:59 AM, Al Kossow via cctalk wrote:
> This is fsckin cool. Chuck and I were wondering how it turned out.
>
> On 3/9/17 7:10 AM, Liam Proven via cctalk wrote:
>> http://museo.freaknet.org/en/recupero-dati-nastri-magnetici-del-computer-polacco-mera-400/
That's pretty amazing, consid
On 03/10/2017 10:58 AM, Paul Koning via cctalk wrote:
>
>> On Mar 10, 2017, at 1:39 PM, Al Kossow via cctalk
>> wrote:
>>
>>
>> The next extension is to track the tachometer values so that you
>> can detect and compensate for tape stick/drag which is absolutely
>> critical for formats that don'
On 03/14/2017 10:02 PM, Sam O'nella via cctalk wrote:
> This statement is hurting my brain. I was never an Apple (company)
> user or fan but personally felt the Apple product line was hacker
> friendly before the Apple II c threatened to void your warranty if
> opened, then the Mac seemed to follow
On 03/15/2017 12:10 PM, Todd Goodman via cctalk wrote:
> * Fred Cisin via cctalk [170315 14:48]:
> [..SNIP..]
>>
>> Below the user interface, is Android very similar to Linux?
>
> [..SNIP..]
>
> I'd argue that the OS used by Android *is* Linux (with some small
> modifications.)
>
> Of course
Folks,
I was asked to recover files from an old Apple Hard Disk 20 drive
(Miniscribe 20MB SCSI). I've been able to read all but two
widely-spaced sectors, but no Mac HFS file recovery tool that I've been
able to find works.
Anyone want to take a crack at it before I resort to extracting strings
On 03/16/2017 02:54 PM, Ethan Dicks via cctalk wrote:
> On Thu, Mar 16, 2017 at 5:42 PM, Cameron Kaiser via cctalk
> wrote:
>>> Porting to diverse architectures is still a great way to find
>>> latent bugs.
>>
>> Too bad people can't be arsed to port merely to diverse *operating
>> systems*, let
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