There are guides online, the differences are documented, I believe you can tell
from the outside. Bezel color is not always a 100% indicator.
Floppies are at least easy for them! If no one else can do it, ping me and I
can run off a set.
Thanks,
Jonathan
‐‐‐ Original Message ‐‐‐
On We
> Additionally, some PC floppy controllers do not work for some kind
> of floppy encodings. Here is the article I used as a guide. I've been
> using an Adaptec AHA-1522A SCSI+Floppy interace, which has a good
> FDC chip for optimum floppy format support.
See also:
https://services.glitchworks.net
Does anyone have experience running the MTI MXV22M? It's a dual-height QBus
card that emulates RX02 but uses a 5.25" 96 TPI drive. I've got a small heap of
them and we're trying to get them going.
When trying to format diskettes using the process documented in the manual, the
drive selects for
dependent. NOTING that I am only being logical not technical. I would
>
> only look to cross jumpering related to the drive head control off the list
>
> of possible causes.
>
> Bill
>
> On Thu, Aug 12, 2021 at 11:26 AM Jonathan Chapman via cctalk <
>
> cctalk@class
If you can't get it to transfer, I can give you a temporary account on
filedump.glitchwrks.com to upload it.
Thanks,
Jonathan
‐‐‐ Original Message ‐‐‐
On Sunday, August 15th, 2021 at 18:23, Bill Gunshannon via cctalk
wrote:
> On 8/15/21 11:44 AM, Al Kossow via cctalk wrote:
>
> > On
> The DEC-badged Data-IO " on eBay is tempting, but expensive, and I don't know
> where to find software.
If it is just a regular Data I/O underneath, head over to the groups.io page:
https://groups.io/g/DataioEPROM/
Thanks,
Jonathan
> One of my Fall projects is to figure out why my Data I/O 29A isn't
> working. It's been sitting for years and when I got it out last year,
> it didn't pass self-test. I need to spend some time looking over the
> posts in that group to see if my symptoms are common.
The diagnostics are pretty goo
I can do them with the Data I/O 29B and UniPak 2B. Some of the other UniPaks
can handle them too. They are one of those devices that most of the newer
commercial programmers can't do. I wouldn't call the Data I/O really
affordable, though.
If you want to send us a blank we can program it for yo
All,
I recently picked up an ICE-85 in-circuit emulator from Jack Rubin (thanks Ian
and Connor for ferrying it back!). I thought that the stuff it came with
included a Prompt-80 as a controller, but it does not: there's an unrelated
Prompt-48 board in the boxes. The ICE-85 came with ISIS contro
All,
I've got an Asante Mini EN/SC with PowerBook cable that I'd like to trade for
the full-size EN/SC. Turns out you need the special cable even if you're using
regular SCSI, and I don't have that one (stacking DB25 on one end, DB25M on the
other). I've tested the Mini EN/SC with TangentDel
> > Includes HSC Inc’s CO16 8086 coprocessor with 256KB memory
I think I've got software for this, if it's not available elsewhere/included
with the hardware.
Thanks,
Jonathan
ctalk
wrote:
> Hi Jonathan,
>
> I currently have no software for this (he might find it later).
>
> I'm happy to pay for your trouble if you're willing to pass it along?
>
> Thank you!
>
> Todd
>
> On 10/16/2021 9:10 AM, Jonathan Chapman via cctalk wrote
October 16th, 2021 at 09:33, Todd Goodman via cctalk
> cctalk@classiccmp.org wrote:
>
> > Hi Jonathan,
> >
> > I currently have no software for this (he might find it later).
> >
> > I'm happy to pay for your trouble if you're willing to pass it alon
Does anyone have information on a SMC*11E controller? Appears to be a two-drive
SMD controller for Unibus (hex height module). Looking the connectors over, it
looks like it'd probably drop into a MUD slot and use the SPC pins.
Thanks,
Jonathan
All,
I'm in search of either an XYlogics 472 in the Sun Multibus to VME adapter, or
just a Multibus to VME adapter (can get the bare XYlogics boards). I'd prefer
the Sun 501-1155 assembly since it has the right back panel connectors, but
either way is better than neither way :)
Thanks,
Jonatha
Does anyone recognize this EPROM programmer:
https://imgur.com/a/GcmefTl
It appears to be for 1702A EPROMs. Working on cleaning it up and figuring it
out!
Thanks,
Jonathan
urday, October 30th, 2021 at 22:01, Jon Elson via cctalk
wrote:
> On 10/30/21 12:11 PM, Jonathan Chapman via cctalk wrote:
>
> > Does anyone recognize this EPROM programmer:
> >
> > https://imgur.com/a/GcmefTl
> >
> > It appears to be for 1702A EPROMs. Working o
The belts are more or less all failing at this point, even on the newer
multi-gigabyte QICs. I finally had to stop extracting the good ones from newer
tapes, boiling, and reusing because that was not reliable anymore. Seems
everyone is using these nowadays:
https://www.amazon.com/gp/product/B08
,
Jonathan
‐‐‐ Original Message ‐‐‐
On Saturday, October 30th, 2021 at 22:52, Chuck Guzis via cctalk
wrote:
> On 10/30/21 7:35 PM, Jonathan Chapman via cctalk wrote:
>
> > It's definitely not Intel, but I pulled the control board and traced it a
> > bit th
re changing the
> address and data.
>
> This would be a simple Arduino program.
>
> Hopefully the programming signal is a low so that it would be in the read
> mode with nothing driving it. Do remember, the 1702A is a PMOS part and is a
> hard pull up and a weaker pull down, u
There's a "Model 20..." on the silkscreen, but as luck would have it, the
roll-over standoff in the middle of the board goes through the rest of the
number!
Thanks,
Jonathan
‐‐‐ Original Message ‐‐‐
On Sunday, October 31st, 2021 at 09:03, Mike Douglas via cctalk
wrote:
> It might be
‐‐‐
On Sunday, October 31st, 2021 at 16:43, Jonathan Chapman via cctalk
wrote:
> There's a "Model 20..." on the silkscreen, but as luck would have it, the
> roll-over standoff in the middle of the board goes through the rest of the
> number!
>
> Thanks,
>
I should have them in my MINC-23 stuff. If you can figure out which
distribution diskette they're on, I can make you an image or copy.
Thanks,
Jonathan
‐‐‐ Original Message ‐‐‐
On Tuesday, November 16th, 2021 at 11:01, Douglas Taylor via cctalk
wrote:
> In my pile of DEC computer stu
Excellent, now I don't have to dig into that particular project tomorrow :P
Thanks,
Jonathan
‐‐‐ Original Message ‐‐‐
On Tuesday, November 16th, 2021 at 13:25, Glen Slick via cctalk
wrote:
> On Tue, Nov 16, 2021 at 9:23 AM Douglas Taylor via cctalk
>
> cctalk@classiccmp.org wrote:
>
>
I figured this would probably be of interest to some people here, too:
https://imgur.com/a/TCrIxEH
I've had this NS DM8200D 4-bit comparator for a while, after posting some
pictures of it to Twitter, Evil Mad Scientist Labs offered to take super macro
photos of it for me. It's just a comparator
The NI GPIB-410 is also often available cheaply, it's basically the ISA
version. I believe I saw the drivers for it on NI's FTP server when I was
looking for the manual.
Thanks,
Jonathan
‐‐‐ Original Message ‐‐‐
On Thursday, December 9th, 2021 at 01:50, Rodney Brown via cctalk
wrote:
Mike,
I have some Pure Data PDI508+ ARCnet cards kicking around. I used them to
develop the repair board for the funky DS1292 "Eliminator" (nonvolatile,
battery-backed *shift* *register*) that they use.
All,
If you should happen to have Pure Data PDI508+ cards, we have rebuilds for the
Dallas
We do both THT and SMD in prototype and production quantities here at Glitch
Works, LLC. We're located in central VA. You can email me off-list if
interested.
Thanks,
Jonathan
‐‐‐ Original Message ‐‐‐
On Tuesday, December 14th, 2021 at 14:23, emanuel stiebler via cctalk
wrote:
> Hi
Sounds like you're testing things basically the way I was:
http://www.glitchwrks.com/2019/06/05/pdp1110-psu-repair
I used a large Stancor 24 VAC transformer to supply power to the modules, since
they usually see 20-30 VAC from the big transformer in the chassis.
For dummy loads, I like automoti
> this is the first one I recall seeing for sale
> in the classic computer era (versus several -11/70's, /40s, etc)
Last one that went auction-style on eBay went for $1,178.00, local pick-up. I
know the buyer.
I still wouldn't think $5K is totally unreasonable, given the clean condition
and tha
> I think that's the same with all the /computer/ equipment that I've seen
> which connects to 3ɸ power. A single phase could be used for all of it.
Computer exist which require three phase at a unit power supply level. It's
often also used for large blowers if the cabinet(s) don't strictly requi
Sorta nitpick, but:
> 3-phase 208/240 V WYE power
Not a thing. It's 120/208Y or 240 delta, high leg or not. Nameplates suggest
120/208Y which is the most common "not a machine shop" configuration.
Thanks,
Jonathan
> I have questions
>
> Where are you getting two /different/ phases? -- Remember, the
> different legs on residential 120/240 wiring are really the same single
> phase.
They're 180 degrees out. Sufficiently different for a number of applications,
but certainly not all!
Thanks,
Jonathan
> Way more because of inertia. Not quite a UPS, but short power glitches enough
> to blink the computer room lights are not going to be seen by the mainframe.
Indeed, one can purchase flywheel systems to ride through genset startup time
on inertia!
Thanks,
Jonathan
> I'd really like 3ɸ at home for a number of different things.
In North America? Good luck! Part of what got me to buy a smallish industrial
building was needing three phase. It's usually cheaper/easier to either use a
VFD if it's for motor equipment, or a rotary converter, than trying to get th
That's the one! Clearly I forgot some of the details.
Thanks,
Jonathan
‐‐‐ Original Message ‐‐‐
On Sunday, January 2nd, 2022 at 16:03, Toby Thain via cctalk
wrote:
> On 2022-01-02 2:48 p.m., Noel Chiappa via cctalk wrote:
>
> > > From: Jonathan Chapman
> >
> > > Last one tha
> I have seen some roads where the utility has 2 of the phases plus
> neutral going down them, not true 2-phase power, but 2 phases 120/240
> degrees apart with the third phase just not present.
Yes, that's open delta. There are one or two small commercial buildings here in
town that still have o
> I apparently need to do more reading.
Indeed. This is not corner-grounded delta. Once you figure out open delta, look
at dog-leg.
Thanks,
Jonathan
ginal Message ‐‐‐
On Tuesday, January 4th, 2022 at 14:56, Grant Taylor via cctalk
wrote:
> On 1/4/22 8:52 AM, Jonathan Chapman via cctalk wrote:
>
> > Indeed. This is not corner-grounded delta. Once you figure out open
> >
> > delta, look at dog-leg.
>
> I did s
> High-leg delta is independent of open- or closed-delta.
That's correct.
> Open delta uses two single-phase transformers primaries connected to
> phases AB and BC.
A to C is also valid, presumably it's rotated if there's a lot of open delta in
an area (again, why?) to balance phases.
> On hig
> much of it related to Niagara Falls and other power systems
> modeled after it.
The IIRC oldest US generating station still in operation (on original hardware
anyway) is at Mechanicville, NY. It is hydroelectric and originally fed 40 Hz
AC to Schenectady. They just sped up the alternators when
> The IIRC oldest US generating station still in operation (on original
> hardware anyway) is at Mechanicville, NY.
Well that ruined my evening, Wikipedia says the generating station now uses the
power to mine bitcoins, because it's more profitable than selling it to the
public grid.
Thanks,
J
> For what it's worth, the building I bought has two services installed when
> it was built in 1921 - single phase 120/240 for lighting loads, and 240V
> Delta for three phase loads.
I bet you have a fun electrical system :D
> It's the even more obscure corner-grounded delta
I love the reaction
> Why couldn't 120V be derived from either of the 240V phase and the
> grounded corner via a 2:1 transformer?
It can. That's often how, say, an Edison base decorative luminary is run when
all other lighting is 277V (the ratios would of course be different). Otherwise
someone invariably screws a
> One of the H744 regulators whines
FWIW, none of mine are silent under load. If they're not being loaded (e.g. on
a test bench, with no dummy load, or if you have all the boards out) they can
whine excessively due to no minimum load.
> it seems higher than the expected values printed on the me
> The terminal posts are aluminum, and can develop an oxide
> layer that prevents good contact.
>
> Removing and replacing them might improve the contact.
I have experienced this personally with TO-3 regulators, too. I had a bunch of
triple voltage Power One linear supplies that would intermitten
> Note that both have a minimum order :-<. As for pins:
If folks don't want to deal with minimums, we can make up cables with the
correct connector, we stock the housings, crimps, and have the correct TE crimp
tool for them.
That said, connectorpeople.com are good to deal with, we use them for
https://i.imgur.com/48EfOQG.jpg
That's after sitting parked a couple months. I have a Dysan doing it too. The
Dysan had been re-banded with a boiled 3M band and run for years like that with
no shedding. I have another Dysan with a green Plastiband in it which is also
fine, minimal/no shed. So,
> My opinion is that if you're trying to use DC carts for archival
storage, you should have your (tape) head examined.
Not archival storage, just day-to-day operation on old stuff, like Sun3/Sun4,
AT&T UNIX PC, etc.
> As someone that has worked with computer tapes for nearly 40 years, I have to
> I wince at the idea of running with QIC tape. But my experience is with
> QIC-80 tapes of the '90s
Yes, small ftape QIC-80s were certainly in the "not great" category!
Thanks,
Jonathan
> However, "couple (of) months" seems incongruent with "day-to-day".
I don't do a reinstall of SunOS every day, though!
> I am assuming that the day-to-day operation to mean that the source data
> is still accessible on the source system. As such, it's probably simply
> a matter of annoyance when
How's about a Glitchbus board set that's compatible? I was planning on doing it
anyway.
Thanks,
Jonathan
‐‐‐ Original Message ‐‐‐
On Tuesday, January 18th, 2022 at 16:45, Chris Elmquist via cctalk
wrote:
> On Tuesday (01/18/2022 at 03:37PM -0600), Mike Katz wrote:
>
> > If the softwa
That's a neat board! Where can I/we order one?
Thanks,
Jonathan
‐‐‐ Original Message ‐‐‐
On Wednesday, January 19th, 2022 at 04:08, jos via cctalk
wrote:
> On 19.01.22 01:22, Chris Elmquist via cctalk wrote:
>
> > On Tuesday (01/18/2022 at 11:35PM +), Jonathan Chapman wrote:
> >
>
Just as a follow-up, I retensioned and read both tapes with clear bands this
morning, and they're fine. Since they were parked, there shouldn't have been
anything important there, and it looks like the removed oxide is staying on the
band.
Thanks,
Jonathan
‐‐‐ Original Message ‐‐‐
On
, 2022 at 10:24, Chris Elmquist via cctalk
wrote:
> On Wednesday (01/19/2022 at 03:35PM +0100), Jos Dreesen via cctalk wrote:
>
> > On 19.01.22 13:15, Jonathan Chapman via cctalk wrote:
> >
> > > That's a neat board! Where can I/we order one?
> >
> > With m
on.
>
> I need to order some boards for my PDP-8/E but I've never ordered boards
>
> before.
>
> What board house do you use? Have you ever specified gold fingers before?
>
> Any advice would be greatly appreciated.
>
> Thanks,
>
> Mike
>
> +1 (773) 41
> Excellent information Jonathan!
Glad to share! I get the impression that people often think I'm on some
ideological soapbox when I tell them not to use $flybynite_pcb but really there
are big differences in quality.
> I generally carry the s100computers and many RetroBrew board
Thank *you* f
> He has a lot of Exorciser boards and manuals to scan so I will let him
> step forward when he's ready for that. But I do greatly appreciate
> getting this manual.
Nice! Looking forward to that manual dump when it does happen. I haven't done a
ton with EXORbus due to the lack of documentation...
I recently dealt with this with the DaJen SCI monitor listing out of the
manual. The copy is pretty bad, and either their printer was having issues, or
slashing of "zero" vs "O" was inconsistent somehow. OCRing it produced more of
a mess than just sitting with the original and a text editor open
Get yourself a largeish 24V transformer, I use an old 8A Stancor:
http://www.glitchwrks.com/images/dec/pdp1110_psu_repair/5411086_under_test.jpg
The AC input can be between 20-30V so it's not critical. Plenty of other
"control transformer" type units would do fine.
You shouldn't need a lot of c
With that much carnage, I'd probably drop a Mean-Well module in there. I
believe there would be enough room for one or two in the IGS I have (taller
white box, divider "shelf" over the mainboard, I don't know if there was a
lower profile model).
Thanks,
Jonathan
--- Original Message --
ining:
>
> "I put a new module in my router. It blew up. At least it meant well" :-)
>
> (My IGS has the rather heavy and over-engineered divider shelf with the
>
> main board underneath and the fan and power supply above.)
>
> Regards,
>
> Peter Coghlan
>
>
All,
I'm looking for a DEC VSXXX-AA "hockey puck" mouse or compatible for a
VAXstation 3100.
Thanks,
Jonathan
Wow, that was quick! Mouse acquired.
Thanks,
Jonathan
--- Original Message ---
On Friday, February 11th, 2022 at 10:06, Jonathan Chapman via cctalk
wrote:
> All,
>
> I'm looking for a DEC VSXXX-AA "hockey puck" mouse or compatible for a
> VAXstation 3100.
>
> Thanks,
>
> Jonathan
I used a Vishay GBPC3506W-E4/51, which is 600V 35A, 400A inrush rated. Looks
like they're currently on-order at Mouser, I don't know about other suppliers.
The GBPC3506W-E4/51 is a little thinner than the bridge rectifier DEC used
originally, which sometimes matters. For the 5411086 board in my
> I always forget that the VAC is the RMS and not the peak-to-peak. I will
> look for a minimum rating of 100V.
600V bridge modules are often more cost effective, and more likely to be in
stock. That's why I went with the Vishay part I used.
If you can't find what you need due to shortages, you
> What surprises me (a little) is that there is a commercial outfit
> willing to work on something so old.
It's essentially what we do. I doubt there's a directory of all the small shops
that work on legacy equipment, but consider that some of this stuff runs CNC
machines that are still in use.
> SSD's are a different beast, if you're going to put data
> on them that you do not want recovered I would recommend encrypting the
> drive before using it, then when done delete/destroy the key. That
> should turn your drive into a useless (but format-able) chunk of silicon.
That's our take on i
Bill,
Let me know right quick if you'll be at VCF East and I'll make you a pair, I
have both kinds of IDC ends. I'm heading out first thing tomorrow morning
though as I have work in the northeast before VCF East.
Thanks,
Jonathan
--- Original Message ---
On Monday, April 18th, 2022
> Dang! That Z80 computer looks AWESOME.
Sure does! Simpson 260 sitting on the bench too :P
Thanks,
Jonathan
If there's bad/deep corrosion, I hit it with the ink eraser (I have a bunch of
Eberhard-Faber ones that look like a wooden pencil, you sharpen them like a
pencil too). If that won't touch it, I use the stainless steel toothbrush.
Corey Cohen has some plating solution that you dip a pen in, inten
> Copper? Mine all look like solder. Probably copper underneath but
> the exposed part is lead which probably explains why they seem to
> corrode so easily.
Ah, yeah, if they're finished in matte tin or HASL, I just reflow leaded solder
on. A little bit of Superior #30 flux will make it flow nice
DeOxit works pretty good for cleaning up connectors that still have serviceable
surface finishes, but yeah, temporary at best if the surface finish is gone. We
use it to clean up all sorts of connectors that are just regular dirty, pots,
etc.
Thanks,
Jonathan
--- Original Message --
> I ended up getting a PCI bus PC Card adapter based on the TI PCI1131
> PCI-TO-CARDBUS CONTROLLER UNIT chip. I set that up in a Linux system
> and eventually managed to get some MTD (Memory Technology Devices)
> software installed so that I could read and write to a variety of
> linear flash cards
We do hosting for a few other hobbyists, and Andy Meyer has his Sony SMC-70
pages on users.glitchwrks.com subdomain:
http://users.glitchwrks.com/~ahm/smc70/
Not really advertised as a service, just one of those things where a few
friends have needed a place to host a few things!
Thanks,
Jonath
Doug,
> A few years ago I got it to power on and it runs Unix variant, their
> product name was Idris. I have 16 floppies (dated 1992) that came with
> the system, but the hard disk has died.
Interesting! I have a Multibus system that runs Idris, very little information
seems to be around on it.
> I have used the Lantronix UDS1100 for Ethernet/RS232 bridgingmaybe too
> pricey new, but available on ePay
The older models (LRS-1, LRS-2, UDS10, etc.) also work fine. If you have more
than one terminal, look at a small terminal server. There are a few terminal
server models that go for s
> i.e. there is no device that make a shell or a telnet client available to a
> terminal and I will have to roll my own.
You may of course choose to DIY but there have been several common and
cheaply-available-used solutions presented to you. The default behavior of most
terminal servers (singl
> At least that's how I would configure things
Yeah that's basically it. You can often assign aliases so that e.g. `CONNECT
RAID` executes a Telnet to a specific IP/DNS name, and many support setting up
a default or automatic connection so that as soon as the terminal autobauds it
just connects
> When I looked at the manual for the Lantronix UDS1100 I did not see any
> mention of it being able to be used as Telnet client.
PDF Page 54.
You put it in manual CONNECT mode, modem emulation, and type
"ATDT10.20.30.40:23" on most modern Lantronix devices. I have no personal
experience with
All,
Per the LAN-attached serial thread, here's another cheap Lantronix device:
https://www.ebay.com/itm/123577635191
This is a LRS-2, which is basically a two-port LRS-1, one of their older models
of serial bridges. The LRS-2 is nice not only for the two ports, but because it
also has AUI and
I have a friend who has one of the wire rack RL style pack racks, which looks a
lot like the one pictured. I've thought about having a wireform manufacturer do
a run of them. Aforementioned friend is willing to loan it for dimensional
capture/reproduction. Is this something people would be inter
I stumbled across that the other day, looking for information on their 100 TPI
drives commonly used with Vector Graphic stuff. I was very surprised to find it!
Thanks,
Jonathan
--- Original Message ---
On Tuesday, August 16th, 2022 at 03:42, P Gebhardt via cctalk
wrote:
>
>
> He
> The last time I checked, bitsavers had information on the 1015, 1016 and
> 1115 floppy drives (I have all three models). Did the VG use something
> different?
No, but I didn't find the model numbering w.r.t. first chassis vs. expansion
chassis very clear, especially between the older "blue box"
> I think it was Dysan that first showed up with reinforcing ring kits
Probably, "Grabettes."
> Then why was is it that DD media bought well after HD media was available, in
> use, and the norm still had the reinforced ring? Tradition?
You might be putting it in an old drive. It was also availa
> Someone suggested punching a notch in them and using both sides.
> Was that even possible on 8" disks?
Sure, but you have to punch an offset index hole:
https://imgur.com/a/6vdR6NE
That's a single-sided flippy 8" diskette (it's also hard-sector but that's not
really relevant). 8" diskettes
> BTW, the greaseweazle can format RX01 format diskettes quite nicely.
Any PC that can do single-density can (with ImageDisk or similar), as well as
basically all CP/M boxes with 8" drives. That's how I format new RX01 media.
RX01 can of course be up-converted to RX02 format with XXDP.
Thanks,
> It turns out that some 8" drives can be set to separate the sector holes
> from the index hole (separate output pins for index and sector). Doing
> so, gives you what amounts to a soft-sectored floppy, regardless of what
> the physical object is.
The flippy 8" diskette I linked a picture of thi
I finally herded together the extant pictures of the KIM-1s I've had in the
past and did a writeup:
http://www.glitchwrks.com/2022/09/18/kim1-boards-past
TL;DR is that during college I found a KIM-1 in an employer's warehouse. Later,
I found a box with five more! These were all Virginia Tech su
> From the USPS Domestic Mail Manual, section 170, subsection 4.1(i):
>
> "Computer-readable media containing prerecorded information and guides or
> scripts prepared solely for use with such media."
I've asked and our postmaster has said anything that's not blank is OK (we ship
a lot of diskett
> If it's gold and got RIFA on it, replace it, though.
- snip -
> I've learned now, to always check every PSU or other mains-powered
> vintage equipment for these little stinkbombs. If they're present, i'll
> always replace.
Yup, always replace. These are not parts that can be rehabilitated. RIF
If the PSU requires too much hacking, you may just want to replace with a
modern Mean-Well switcher or two. The Aztec supplies used in those Xerox
enclosures are OK but nothing stellar. I recapped mine (it also showed signs of
electrolytic leakage) and it did work so I kept it, but if it'd had i
All,
I've been looking for a Kinetics or Shiva FastPath 4 or 5 for a while, without
luck. Don't know why I didn't think to ask on the various lists! If anyone has
one they'd like to part with, let me know off-list.
Thanks,
Jonathan
> I find myself wondering, how well does CD-R and DVD-R media that hasn’t been
> used age?
Anecdotal, but I have some Fuji blanks from the 90s that still burn just fine
(works great on old drives that hate modern "see-through" media). The DVD-Rs I
have were bought by my parents in the mid-2000s
> So, what else do you guys use, to make sure your data is safe for the
> years to come?
ZFS and redundant copies of important stuff, plus backups on media that's
likely to be readable in 10 years (meaning the drives must still work/be
available, too!)
Anything that's appropriate to have on a p
All,
I went to find a page about P&T Surplus to link to a friend who'd never been
there, and this was today's top result:
https://www.dailyfreeman.com/2023/02/19/pt-surplus-in-kingston-struggles-as-owners-battle-illnesses-mounting-bills/
Apparently Mr. Smythe is having hard times with his busin
> On HP: yes, perhaps. I used one of those back at DEC, in the mid 1980s. Nice
> machine, but my suspicion is that I'd run into the small memory problem again
> that plagues me with the Philips/Fluke analyzer I use right now.
We use several HP analyzers around here, all from the 80s. Even the "s
> But, as some who worked
> to bring a product to market only to see people on forums say "Skip
> buying it from Jim for , you can build the same thing by yourself
> for $ from AliExpress parts or buy this eBay knockoff for 2X$", I will
> admit that is somewhat infuriating. If the hobby communi
> If you posted your design as Open Source, someone else producing it isn't a
> knockoff, it's the system working as intended.
What is it when the design is open source, but they're not complying with the
terms of the license? That's what really bugs me, the "cost" of producing your
own from on
> FSF does not enforce anything. I repeatedly begged for help with Desktop
> CYBER which was GPL licensed and they did not even bother to reply.
I'm told by a friend at Red Hat that RH/IBM has a department for that kind of
thing and can/will provide legal help for outside projects.
Thanks,
Jonat
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