Re: Looking for computer and individual to read old floppy disks

On Fri, Mar 11, 2022 at 7:25 PM Fred Cisin via cctalk wrote: > >> I got more details from the guy with the disks. They are apparently > >> "360K" PC floppies with XYWRITE files, and he wants to load the file > >> contents into a "modern"? word processor. So hopefully, somebody can > help > >> h

Re: Information about an unknown IC

On Thu, Feb 24, 2022, 12:47 PM Clemar Folly via cctalk < cctalk@classiccmp.org> wrote: > This chip is from a cartridge for the Atari 2600. The board is not mine. > I'm trying to help identify the IC. > > It's the PCB of the AtariAge post. > > I had already looked in the Texas data book and found n

Re: DEC VT52 CRT anode connection

On Wed, Feb 23, 2022, 10:05 PM Chuck Guzis via cctalk wrote: > On 2/23/22 18:17, Doug Jackson via cctalk wrote: > > Hmm - Depends on where that pesky ground connection is put :-) (Duck) > > Well, if you stand on your head whilst soldering it in, it's all good! :) > True, but also helps if it do

Re: Installing an operating system on the 11/83 - update.

On Tue, Feb 22, 2022, 8:43 PM Jay Jaeger via cctalk wrote: > On 2/22/2022 6:12 PM, js--- via cctalk wrote: > > > > On 2/22/2022 7:00 PM, Ray Jewhurst wrote: > >> I read that you can indeed use a standard 1.2 Meg drive and that you > >> can also use DSHD 5.25 disks in place of RX50s. Is there any

Re: Installing an operating system on the 11/83 - update.

on, Samsung Galaxy smartphone > Get Outlook for Android <https://aka.ms/AAb9ysg> > -------------- > *From:* cctalk on behalf of Warner Losh > via cctalk > *Sent:* Tuesday, February 22, 2022 6:42:38 PM > *To:* j...@cimmeri.com ; General Discussion: On-Topic an

Re: Installing an operating system on the 11/83 - update.

On Tue, Feb 22, 2022 at 4:36 PM js--- via cctalk wrote: > > Rod, > >Not sure an RX33 (if 1.2MB > equivalent) would write working RX50 > 800k (double density) disks. Very > different drives. > The RX-33 is the same sort of drive that you had in your PC if you wrote RX-50s with your PC. Back

Re: Installing an operating system on the 11/83 - update.

On Tue, Feb 22, 2022 at 3:24 PM Rod Smallwood via cctalk < cctalk@classiccmp.org> wrote: > > On 22/02/2022 16:20, Rod Smallwood via cctalk wrote: > > Hi All > > > > I did find some RX50 images of the MicroRSX distribution. > > > > So I fired up my DEC Celebris FX. It runs W95 and has a

Re: Greasweasel was Re: Installing an operating system on the 11/83 - update.

On Tue, Feb 22, 2022 at 11:29 AM Ray Jewhurst via cctalk < cctalk@classiccmp.org> wrote: > I was wondering how well a Greaseweasel would write floppies for my > Rainbow. I've not tried this with my kyroflux, so no comment. > Also, I saw that someone had images for Venix-86 Rainbow and I was >

Re: Installing an operating system on an 11/83

On Mon, Feb 21, 2022, 8:34 PM Chris Zach via cctalk wrote: > > Are RX50 drives less robust than what was used to install Windoze 95? > > Well, they're 10 years older than your Windows 95 floppy so sort of. I > still have some working RX50's here but they are a bit fickle. That's a > big reason wh

Re: PDP-11/34 CPU PROMS

On Wed, Feb 9, 2022, 5:16 PM Rod Smallwood via cctalk wrote: > Hi > > We have narrowed the problem down. > > Its the instruction decode ROM's that are the issue. > > The images of those are whats needed. > Do those chips have ROM numbers on them? 23-x is the usual format... Warner Reg

Re: PDP-11/34 CPU PROMS

On Tue, Feb 8, 2022 at 7:04 PM Warner Losh wrote: > I found > https://deramp.com/downloads/mfe_archive/011-Digital%20Equipment%20Corporation/08%20PDP-11/01%20PDP-1104-1134/05%20PDP-1104-1134%20Microcode/ > which has the source code... > > But I couldn't find the tools to use these files to create

Re: PDP-11/34 CPU PROMS

I found https://deramp.com/downloads/mfe_archive/011-Digital%20Equipment%20Corporation/08%20PDP-11/01%20PDP-1104-1134/05%20PDP-1104-1134%20Microcode/ which has the source code... But I couldn't find the tools to use these files to create microcode images. http://filedump.theglitchworks.net/softwa

Re: Origin of "partition" in storage devices

On Tue, Feb 1, 2022 at 5:32 PM Paul Koning wrote: > > > > On Feb 1, 2022, at 6:00 PM, Warner Losh via cctalk < > cctalk@classiccmp.org> wrote: > > > > On Tue, Feb 1, 2022 at 12:42 PM Grant Taylor via cctalk < > > cctalk@classiccmp.org> wrote: >

Re: Origin of "partition" in storage devices

On Tue, Feb 1, 2022 at 12:42 PM Grant Taylor via cctalk < cctalk@classiccmp.org> wrote: > On 2/1/22 2:14 AM, Joshua Rice via cctalk wrote: > > There's several advantages to doing it that way, including balancing > > wear on a disk (especially today, with SSDs), as a dedicated swap > > partition co

Re: Origin of "partition" in storage devices

On Tue, Feb 1, 2022, 9:14 AM Jon Elson via cctalk wrote: > On 2/1/22 04:02, Liam Proven via cctalk wrote: > > > > One of our favourite small PC builders, Panrix, questioned this. They > > reckoned that having the swap file on the outer, longer tracks of the > > drive made it slower, due to slower

Re: Origin of "partition" in storage devices

On Tue, Feb 1, 2022 at 1:22 AM Huw Davies via cctalk wrote: > > > > On 1 Feb 2022, at 09:42, cctalk@classiccmp.org wrote: > > > > A somewhat broader search found the 1984 RT-11 System Release Notes with > the following: > > > > > > > > 1.4.2.4 Logical Disk Subsetting Handler (LD) - The logical di

Re: Origin of "partition" in storage devices

On Mon, Jan 31, 2022, 2:43 PM Noel Chiappa via cctalk wrote: > > From: Paul Koning > > > When did Unix first get partitions? > > 'Partitions' the mechanism, or partitions the term for the mechanism? > > The former appeared about V5: > > https://minnie.tuhs.org/cgi-bin/utree.pl?file=V5/u

Re: Origin of "partition" in storage devices

On Mon, Jan 31, 2022 at 12:01 PM Tom Gardner via cctalk < cctalk@classiccmp.org> wrote: > There is a discussion of the origin of the term "partition" in storage > devices such as HDDs at: > > https://en.wikipedia.org/wiki/Talk:Disk_partitioning#Where_did_the_term_%22p > artition%22_originate >

Re: VAX 780 on eBay

On Mon, Jan 3, 2022 at 11:47 AM emanuel stiebler via cctalk < cctalk@classiccmp.org> wrote: > On 2022-01-03 13:19, Ethan Dicks via cctalk wrote: > > > Compiling all the code for our product took the 11/750 6 hours to > > compile and link plus an additional 2 hours for an 11/730 to link > > under a

Re: VAX 780 on eBay

I had accounts on a MicroVAX 2 and a VAX 11/750. The microvax was faster for most compute jobs, but the 750 with 1/4 the memory handled more users mostly in text editors with the occasional compile or nroff/troff jobs. IIRC, the 750 had faster disks... Warner On Sun, Jan 2, 2022, 9:35 PM Zane Hea

Re: Women of Computing

On Sun, Dec 5, 2021 at 3:01 PM Mike Begley via cctalk wrote: > Yeah, "woke" is one of those terms, like "PC", that immediately signals > that the speaker can immediately be dismissed out of hand as having nothing > worthwhile to say. > Especially in the context of historic computing. We aren't s

Re: Women of Computing

On Sun, Dec 5, 2021 at 9:57 AM Chris Long via cctalk wrote: > Talk about snowflakes. > Can we please bring this whole tiresome political theater to an end? If you are replying and thinking of using phrases from the current culture war. Don't. They are off topic here. Please Just Don't. Warner

Re: The precarious state of classic software and hardware preservation

On Sat, Nov 20, 2021, 11:46 AM Paul Koning via cctalk wrote: > > > > On Nov 20, 2021, at 7:56 AM, Bill Gunshannon via cctalk < > cctalk@classiccmp.org> wrote: > > > > On 11/19/21 9:33 PM, Steve Malikoff via cctalk wrote: > >> Michael asked > >>> What are we, as a community, to do to fix this and

Re: PDP-11 Unix V7M-11 V1.0 under SIMH

On Tue, Oct 5, 2021 at 7:04 AM Paul Koning via cctalk wrote: > > > > On Oct 4, 2021, at 9:47 PM, Ethan Dicks via cctalk < > cctalk@classiccmp.org> wrote: > > > > On Mon, Oct 4, 2021 at 7:42 PM Chris Zach via cctalk > > wrote: > >> Oddly enough I do have a copy of Pro/Venix 1.0 that would fit on

Re: Terminal Emulator

On Thu, Sep 30, 2021 at 4:02 PM ben via cctalk wrote: > On 2021-09-30 1:18 p.m., Bill Degnan via cctalk wrote: > > I would ask Dave Mcguire (LSSM) > > > > On Thu, Sep 30, 2021 at 2:57 PM Mike Katz via cctalk < > cctalk@classiccmp.org> > > wrote: > > > >> I am looking for a good terminal emulator.

Re: Unix or BSD for Dec PDP 11/34 and 11/45

On Fri, Sep 17, 2021 at 6:29 AM devin davison via cctalk < cctalk@classiccmp.org> wrote: > Thank you for the valuable information. > It seems like v7 unix will be the way to go. Perhaps i can get some uucp > connection going over a serial line out of the machine, that could be > interesting. > > I

Speaking of emulators... I have a userland Venix/86 executive...

I've written a Venix/86 userland emulator. It uses FreeBSD's vm86 to run binaries natively and intercepts traps for things like system calls. I finally have it to the point where it can run the compiler via cc (which forks and execs c0, copt, cpp, as, ld, etc). My plans to try to recreate the sourc

Re: Ultrix-11

On Sat, Aug 21, 2021, 9:50 PM Jay Jaeger via cctalk wrote: > On 8/17/2021 1:39 PM, Paul Koning via cctalk wrote: > > I thought V7M and Ultrix were entirely diferent and unrelated things. > > > > At least on the Pro, DEC released a betal version of the one (which I > tried when it came out) and th

Re: Ultrix-11

On Fri, Aug 20, 2021 at 4:30 PM Bill Gunshannon via cctalk < cctalk@classiccmp.org> wrote: > On 8/20/21 4:25 PM, Peter Allan via cctalk wrote: > > The idea of using an RA81 drive as it is bigger sounds like a simple > > solution, but does it actually give a larger /usr partition? > > By default, n

Re: Ultrix-11

On Fri, Aug 20, 2021, 2:26 PM Peter Allan via cctalk wrote: > The idea of using an RA81 drive as it is bigger sounds like a simple > solution, but does it actually give a larger /usr partition? Even though an > RD54 drive is not huge, most of it is not taken up by the root partition > plus the /u

Re: Ultrix-11

On Fri, Aug 20, 2021 at 9:50 AM Peter Allan via cctalk < cctalk@classiccmp.org> wrote: > How can I make a larger /usr partition? Is it possible to do this at > installation time? There did not seem to be an option for this. Can it be > done by using an additional disk? That would seem likely, but

Re: Ultrix-11

On 8/16/21 2:55 PM, js--- via cctalk wrote: > > > > > > > > > On 8/15/2021 10:08 AM, Bill Gunshannon via cctalk wrote: > > >> On 8/15/21 12:45 AM, Warner Losh via cctalk wrote: > > >>> > > >>> Distributions/DEC/Ultrix-11/Fred-Ultrix

Re: Ultrix-11

21 at 11:42 PM Warner Losh via cctalk < > cctalk@classiccmp.org> wrote: > >> On Wed, Aug 18, 2021 at 6:11 PM Bill Gunshannon via cctalk < >> cctalk@classiccmp.org> wrote: >> >> > On 8/16/21 2:55 PM, js--- via cctalk wrote: >> > > >> > &

Re: Ultrix-11

On Wed, Aug 18, 2021 at 6:11 PM Bill Gunshannon via cctalk < cctalk@classiccmp.org> wrote: > On 8/16/21 2:55 PM, js--- via cctalk wrote: > > > > > > On 8/15/2021 10:08 AM, Bill Gunshannon via cctalk wrote: > >> On 8/15/21 12:45 AM, Warner Losh via cctalk

Re: Ultrix-11

On Tue, Aug 17, 2021, 6:46 AM Dennis Grevenstein via cctech < cct...@classiccmp.org> wrote: > Bill Gunshannon wrote: > > > > With 3.1 available why would you want to run 2.0? Someone mentioned > > a 4.0. I don't remember there ever being anything after 3.1 (promised, > > but never saw it deliver

DEC Rainbow Ethernet Hardware

Greetings I'm looking for any and all information I can find on the DEC Rainbow ethernet cards. I know for sure that two exist, both plugged into the communications slot that most rainbows have filled with a hard disk controller. DEC made one, and Univation made the other. Univation also adverti

Re: Ultrix-11

On Sun, Aug 15, 2021, 9:11 AM Bill Gunshannon via cctalk < cctalk@classiccmp.org> wrote: > On 8/15/21 12:53 AM, Warner Losh via cctalk wrote: > > On Sat, Aug 14, 2021 at 3:26 PM jim stephens via cctalk < > > cctalk@classiccmp.org> wrote: > > > >> >

Re: Ultrix-11

On Sat, Aug 14, 2021 at 10:53 PM Warner Losh wrote: n Sat, Aug 14, 2021 at 3:26 PM jim stephens via cctalk < cctalk@classiccmp.org> wrote: > > I'm running Ultrix V2 on Simh quite happily today and have a couple >> > > I did some quick searching and couldn't find a Ultrix-11 V2 image out in > the

Re: Ultrix-11

On Sat, Aug 14, 2021 at 3:26 PM jim stephens via cctalk < cctalk@classiccmp.org> wrote: > > I'm running Ultrix V2 on Simh quite happily today and have a couple > I did some quick searching and couldn't find a Ultrix-11 V2 image out in the interwebs... Anybody have better google fu than me that

Re: Ultrix-11

On Sat, Aug 14, 2021 at 2:36 PM Warner Losh wrote: > > > On Sat, Aug 14, 2021, 2:08 PM Douglas Taylor > wrote: > >> On 8/14/2021 1:54 PM, Warner Losh wrote: >> >> >> >> On Sat, Aug 14, 2021 at 10:19 AM Douglas Taylor via cctalk < >> cctalk@classiccmp.org> wrote: >> >>> I ran into a YouTube video

Re: Ultrix-11

On Sat, Aug 14, 2021, 2:08 PM Douglas Taylor wrote: > On 8/14/2021 1:54 PM, Warner Losh wrote: > > > > On Sat, Aug 14, 2021 at 10:19 AM Douglas Taylor via cctalk < > cctalk@classiccmp.org> wrote: > >> I ran into a YouTube video, that it is 5 years old, titled "Ultrix-11 >> 3.1 on an emulated PDP-

Re: Ultrix-11

On Sat, Aug 14, 2021 at 10:19 AM Douglas Taylor via cctalk < cctalk@classiccmp.org> wrote: > I ran into a YouTube video, that it is 5 years old, titled "Ultrix-11 > 3.1 on an emulated PDP-11/73" and I found it very interesting. > It shows installation of Ultrix-11 under SIMH. The fellow steps thr

Re: PC floppy disk sets avaialble free

On Mon, Aug 9, 2021 at 10:23 AM Al Kossow via cctalk wrote: > On 8/9/21 9:10 AM, Grant Taylor via cctalk wrote: > > > I would *VERY* *MUCH* /like/ to get my hands on Pathworks. > > http://bitsavers.org/bits/DEC/decnet/ > > sometimes I wonder why I even bother putting this s*it up > Because for e

Re: VCF - west!

On Thu, Jul 29, 2021, 4:16 PM Fred Cisin via cctalk wrote: > On Thu, 29 Jul 2021, Mark Huffstutter wrote: > > It sure is, Fred! I bought My tickets, and now it looks likely I won't > be able to attend > > It's coming right up. > > https://vcfed.org/wp/festivals/vintage-computer-festival-w

Re: Microsoft OSs (was: Install Floppies)

On Sat, Jul 24, 2021, 10:41 AM Grant Taylor via cctalk < cctalk@classiccmp.org> wrote: > On 7/23/21 6:43 PM, Fred Cisin via cctalk wrote: > > Well, maybe similarly to how you did with AIX, by the total size divided > > by number of images. Although what I was referring to was people's > > memorie

Re: Compaq Deskpro boards/hard drives from the late 1990s

On Fri, Jul 23, 2021, 3:20 PM Chuck Guzis via cctalk wrote: > On 7/23/21 10:23 AM, Liam Proven via cctalk wrote: > > On Fri, 23 Jul 2021 at 18:56, Grant Taylor via cctalk > > wrote: > >> > >> If memory serves, that mass of floppies was dwarfed by Windows 95, > >> particularly later versions. > >

Re: What's left of the Houston Museum stuff

On Wed, Jul 21, 2021, 8:41 PM Tom Hunter via cctalk wrote: > "Houston Computer Museum" ... I wouldn't call this a "museum". The > condition of the stuff is fitting for a garbage tip. It is a disgrace. > Isn't this the place in Texas that flooded last year? Warner > On Thu, Jul 22, 2021 at 6:50

Re: Koning TECO

Hmmm, this must be a different TECO than I'm used to if 'Color' is involved... :) Cool implementation of it, though. Warner On Thu, Jul 15, 2021 at 8:38 AM Paul Koning via cctalk < cctalk@classiccmp.org> wrote: > Neat. FYI, I just pushed a bugfix and an improvement to color handling. > >

Re: Discord (was: DEC Computer Lab for sale)

On Sun, May 30, 2021, 3:01 AM Rob Jarratt via cctalk wrote: > No, the invitation doesn't work anymore. Would be nice to get a new one. > https://discord.gg/xqAypCGp will work for either a week or a month. Warner Regards > > Rob > > > -Original Message- > > From: cctalk On Behalf Of To

Re: Mounting ULTRIX CDROMs on Linux

On Thu, May 20, 2021 at 1:56 PM Antonio Carlini via cctalk < cctalk@classiccmp.org> wrote: > I'm running Linux Mint (an ubuntu derivative) and I want to mount ULTRIX > CDROM discs to see what I can see. > > (I'm eventually going to image these, but I presume that will "just > work" with dd or ddre

Re: LK201 emulator for PS-2 keyboard

On Wed, May 12, 2021 at 11:12 AM Antonio Carlini via cctalk < cctalk@classiccmp.org> wrote: > On 12/05/2021 17:53, Paul Koning via cctalk wrote: > > I remember those. I thought Jonathan was talking about the round ones, > but I suppose the protocol is identical. There was also a tablet, same > i

Re: Pro350/"XT" pre-release documents

On Tue, Mar 30, 2021 at 4:58 PM Chris Zach via cctalk wrote: > > The Pro 350 version was likely a bit more interactive and I would be > > very interested in getting a copy of it. As far as the best way to get a > > copy made, it would be great to read them on a M+ system that has TCP/IP > > o

Re: MaxSpeed VGA MaxStation

ISTR there were a few DOS-only video cards that had VGA outputs, but only did text mode for point of sale applications. I never used any of these myself, though... Warner On Thu, Mar 25, 2021 at 1:46 AM John Ames wrote: > Hah, wow. > > On 3/25/21, Warner Losh wrote: > > On Thu, Mar 25, 2021 at

Re: MaxSpeed VGA MaxStation

On Thu, Mar 25, 2021 at 1:01 AM John Ames via cctech wrote: > Huh - wacky. Still pretty curious how it works just on a basic "how > the hey does the framebuffer even function" level, but that's > certainly interesting. Does make me feel less guilty about planning to > cannibalize it for a homebre

Re: Help with PCB ID

On Sat, Mar 13, 2021, 1:04 PM Chuck Guzis via cctalk wrote: > On 3/13/21 11:43 AM, Cory Heisterkamp via cctalk wrote: > > I’m wondering if anyone recognizes this PCB. Double-sided, 74xx > vintage, measuring 14”x15”. There’s a “B.I.” logo in one corner, but no > google match. IC date codes are ’7

Re: Tymshare PDP-10 tapes

On Mon, Mar 8, 2021 at 9:16 AM Tony Aiuto via cctalk wrote: > On Sat, Mar 6, 2021 at 11:48 PM Jim Carpenter > wrote: > > > On Sat, Mar 6, 2021 at 8:07 PM Tony Aiuto via cctalk > > wrote: > > > I think that is an artifact of the files being created with the wrong > > names. > > > For example, wi

Re: Spelunking the places where files are not

On Fri, Mar 5, 2021 at 7:41 AM John Foust via cctalk wrote: > > After thinking about disk imaging tools like Greaseweasel, > I started thinking about tools that would grab and examine the unused > portions of disks. > I've used this to recover a couple of Univation utilities from a disk that the

Re: Electronics Plus

On Fri, Feb 26, 2021 at 11:39 AM jwest--- via cctalk wrote: > In case this link only made it to discord, I'm (re-?)posting here. > I saw bits and pieces there, but missed the bigger context Woof! Definitely worth it... https://www.gofundme.com/f/electronics-plus I noticed someone named R

Re: Plessey/Dilog DCV54

On Sun, Feb 14, 2021 at 1:36 PM Paul Koning via cctalk < cctalk@classiccmp.org> wrote: > > > > On Feb 14, 2021, at 3:30 PM, Nigel Johnson via cctalk < > cctalk@classiccmp.org> wrote: > > > > Has anybody got a DCV54 that they are using? > > > > I am trying to get one working with David Gasswein's m

Re: Greaseweazle

On Wed, Feb 3, 2021 at 3:20 PM John Foust via cctalk wrote: > At 03:37 PM 2/3/2021, Chuck Guzis via cctalk wrote: > >"Reasonably quickly" is a relative term. I've got samples here that I > >had to cogitate over for a year. > >Admittedly, these were items that were sui generis, but "quickly" was

Re: Epson QX-10 hard drive

On Mon, Feb 1, 2021 at 7:15 AM Jules Richardson via cctalk < cctalk@classiccmp.org> wrote: > On 1/31/21 12:35 PM, Warner Losh via cctalk wrote: > > Greetings > > > > I recently purchased a QCS external hard disk on ebay. This was one of > the > > companies that

Re: RD51 reduced write current signal?

On Mon, Feb 1, 2021 at 10:54 AM Paul Koning via cctalk < cctalk@classiccmp.org> wrote: > Looking at the DEC Pro documentation there's some ambiguity I'm trying to > figure out. > > The hard drive documentation talks about the "reduced write current" > signal. In one place it's explicitly describe

Epson QX-10 hard drive

Greetings I recently purchased a QCS external hard disk on ebay. This was one of the companies that was selling DEC Rainbow hard drives. I had hoped it was an old Rainbow drive with interesting to me bits... Turns out it is an Epson QX-10 hard drive, full of interesting to bits for the QX-10 CP/M

Re: DEC Pro operating systems and MFM emulator

On Sun, Jan 24, 2021 at 9:53 AM Cameron Kaiser via cctalk < cctalk@classiccmp.org> wrote: > > > > 2. Venix: panic at boot, "Bad access number". That doesn't mean > anything > > > > to me. I wonder if the issue is that Venix doesn't support the 380. > [...] > > > Venix runs fine on my 380. In fac

Re: DEC Pro operating systems and MFM emulator

On Sat, Jan 23, 2021, 11:47 AM Paul Koning via cctalk wrote: > The question was asked (I misplaced the note) if the OS images that are on > the Xhomer website work with David Gesswein's MFM emulator on real hardware. > > You can turn these into emulator data files, provided you have the latest >

Re: DEC Pro 3xx archives

On Fri, Jan 22, 2021 at 8:32 AM Paul Koning wrote: > > > > On Jan 21, 2021, at 11:20 PM, Warner Losh wrote: > > > > Hey Paul... > > > > This is really helpful. I've had to deal with those archives for the > Rainbow stuff I do and have some additional caveats below I thought I'd > share... > > Th

Re: DEC Pro 3xx archives

Hey Paul... This is really helpful. I've had to deal with those archives for the Rainbow stuff I do and have some additional caveats below I thought I'd share... On Thu, Jan 21, 2021, 6:43 PM Paul Koning via cctalk wrote: > I recently ran into an archive of various Pro 300 items, mostly from DE

Re: Compuserve

On Sun, Jan 10, 2021, 3:03 PM James B DiGriz via cctalk < cctalk@classiccmp.org> wrote: > On Sun, 10 Jan 2021 13:57:17 -0600 > Jason T via cctalk wrote: > > > On Sun, Jan 10, 2021, 05:41 Tomas By via cctalk > > wrote: > > > > > Hi all, > > > > > > Does anybody know if the old Compuserve discussi

Re: Got DSM-11 running, any manuals online?

On Sat, Jan 9, 2021, 2:55 PM David Gesswein wrote: > On Sat, Jan 09, 2021 at 01:06:19PM -0700, Warner Losh wrote: > > > > DEC standard 144 of any help? > > > http://bitsavers.org/pdf/dec/standards/EL-00144_B_DEC_STD_144_Disk_Standard_for_Recording_and_Handling_Bad_Sectors_Nov76.pdf > > > > Warner

Re: Got DSM-11 running, any manuals online?

On Sat, Jan 9, 2021 at 12:08 PM David Gesswein via cctech < cct...@classiccmp.org> wrote: > To possibly be clearer the image of the disk was a raw dump of the disk > taken with the mfm emulator/reader board so it sees all the extra data the > controller puts on the disk and the bad sectors etc. As

Re: Dec RQDX: What kind of chips on it?

On Tue, Jan 5, 2021, 7:20 AM Paul Koning via cctalk wrote: > > > > On Jan 5, 2021, at 6:56 AM, Joshua Rice via cctalk < > cctalk@classiccmp.org> wrote: > > > > These links may help: > > > > http://decvax.50megs.com/doc/rqdx/rqdx.html < > http://decvax.50megs.com/doc/rqdx/rqdx.html> > > ... > > Th

Re: Dec RQDX: What kind of chips on it?

On Mon, Jan 4, 2021 at 3:40 PM Chris Zach via cctalk wrote: > Can someone check to see if a RQDX2 used the Western Digital chips to > interface to MFM drives? Reason I'm asking is the MFM emulator can > identify an RQDX3, and also a Pro/350 controller but this particular > RD52 I have (which was

Re: Keyboard storage

Maybe contact a shipping supply company. They have a number of boxes likely to be suitable. Warner On Mon, Dec 21, 2020, 11:17 PM Alan Perry via cctalk wrote: > > I have a bunch of Sun keyboards that I need to store more efficiently > and don't want to risk damaging by stacking on top of each o

Re: when was memory "above" the terminal screen invented?

On Sun, Dec 13, 2020, 7:49 PM Nigel Johnson via cctalk < cctalk@classiccmp.org> wrote: > I'm pretty sure the DEC VT100 didn't have it. It was very memory > -limited - the standard was 80x 24 and if you wanted 132 x 24 you had to > buy the advanced video option. > I'm sure it did not have scroll

Re: Gateway Electronics (was Al Lasher's electronics closing.)

On Mon, Dec 7, 2020, 4:28 PM jim stephens via cctalk wrote: > > > On 12/7/2020 6:40 AM, jw...@classiccmp.org wrote: > > Truly sad I don't think theres a store anywhere that I've spent more > time in. I used to just sit in there for hours bs-ing with the owner. > > > > I wonder if "electronics

Re: Gateway Electronics (was Al Lasher's electronics closing.)

On Mon, Dec 7, 2020, 5:21 PM Al Kossow via cctalk wrote: > On 12/7/20 4:10 PM, jwest--- via cctalk wrote: > > > I don't think there is any place like that anymore for St. Louis. > > Wasn't there a big place in KC just of I70? > At the end they were selling on eBay. > > I remember going there a co

Re: Gateway Electronics (was Al Lasher's electronics closing.)

On Mon, Dec 7, 2020 at 10:11 AM Jon Elson via cctalk wrote: > On 12/07/2020 08:40 AM, jwest--- via cctalk wrote: > > Truly sad I don't think theres a store anywhere that I've spent more > time in. I used to just sit in there for hours bs-ing with the owner. > > > > I wonder if "electronics ex

Re: Help needed identifying old MFM drives from the excavation

On Sun, Dec 6, 2020 at 7:51 PM Fred Cisin via cctalk wrote: > On Sun, 6 Dec 2020, Chris Zach via cctalk wrote: > > As the excavation of Bob's junkpile continues I have finally hit the MFM > > layer. Specifically about 10 5.25 hard disks that look to be old style > MFM > > drives. > > Vertex V150

Re: NEC NEAX IVS2 PBX with NEAXMAIL AD-8 - hard drive clone, issues

On Mon, Nov 30, 2020, 12:34 AM Christian Corti via cctalk < cctalk@classiccmp.org> wrote: > On Sun, 29 Nov 2020, Liam Proven wrote: > > If there are any errors on the drive, I would recommend GNU > > ``ddrescue``. Do not confuse this with the older (but still > > maintained) dd_rescue which is the

Re: [TUHS] Seeking wisdom from Unix Greybeards

On Wed, Nov 25, 2020, 4:11 PM Grant Taylor via cctalk wrote: > On 11/25/20 11:00 AM, Steffen Nurpmeso via cctalk wrote: > > Is what i use for a make system. > > Thank you for the input Steffen. > > I'll re-read through what you've shared. > > I have a slight added complication that currently the

Re: The best hard drives??

On Wed, Nov 18, 2020 at 6:24 PM Bill Gunshannon via cctalk < cctalk@classiccmp.org> wrote: > On 11/18/20 8:16 PM, Warner Losh via cctalk wrote: > > On Wed, Nov 18, 2020 at 6:00 PM Paul Koning via cctalk < > > cctalk@classiccmp.org> wrote: > > > >> >

Re: The best hard drives??

On Wed, Nov 18, 2020 at 6:00 PM Paul Koning via cctalk < cctalk@classiccmp.org> wrote: > > > > On Nov 18, 2020, at 5:56 PM, Chuck Guzis via cctalk < > cctalk@classiccmp.org> wrote: > > > > Tangential to this, I've long wondered about some things relating to > > SSDs. Are there any solid figures o

Re: The best hard drives??

On Mon, Nov 16, 2020, 10:37 PM Ethan O'Toole via cctalk < cctalk@classiccmp.org> wrote: > >In the opinions of you experts out there considering reliability > being > > number one on the list with speed be number two on the list what would > you > > folks consider to be the best SATA drives on

Re: Looking for PDP-11/23+ parts for museum restoration

On Mon, Nov 9, 2020 at 9:44 PM Ethan Dicks via cctalk wrote: > On Mon, Nov 9, 2020 at 3:22 AM rice43 via cctalk > wrote: > > I believe he's just looking for a BA23 rackmount faceplate, an RL02 > > drive and a 3U blanking plate for those half-height PDP-11 cabinets > > The 5.25"-tall blank plate

Re: Identifying a Mystery ISA Card

On Fri, Oct 16, 2020, 3:41 PM Fred Cisin via cctalk wrote: > Is "QC OK" the brand name? :-) > Clearly we need a QC OK stickers reproduced onto a T Shirt for the next time we can get together... Warner They made a lot of stuff. > Some of their premium stuff was designed by Pat Pending. > > >

Re: 9 track tapes and block sizes

On Mon, Oct 5, 2020 at 9:25 AM Chuck Guzis via cctech wrote: > On 10/4/20 10:51 PM, J. David Bryan via cctech wrote: > > On Sunday, October 4, 2020 at 16:00, Chuck Guzis via cctalk wrote: > > > >> A 16MB tape block is impossibly large in any case. > > > > The HP 3000 mag tape diagnostic attempts

Re: 9 track tapes and block sizes

On Fri, Oct 2, 2020, 8:38 PM Chuck Guzis via cctech wrote: > In fact, is there any standard for floppy disk metadata container files? > > I'm not aware of any. > Teledisk? >

Re: 9 track tapes and block sizes

On Fri, Oct 2, 2020, 9:37 PM Chuck Guzis wrote: > On 10/2/20 8:08 PM, Warner Losh wrote: > > > > > > On Fri, Oct 2, 2020, 8:38 PM Chuck Guzis via cctech > > mailto:cct...@classiccmp.org>> wrote: > > > > In fact, is there any standard for floppy disk metadata container > files? > > > > I'm

Re: 9 track tapes and block sizes

On Fri, Oct 2, 2020, 12:05 AM Tom Hunter via cctalk wrote: > I have never figured out why Bob Supnik defined the magnetic tape > containers (TAP files) with the one byte padding for odd length records. > This seems very odd (pun intended). :-) > Even on a machine which couldn't write 32 bit num

Re: [TUHS] Fwd: Choice of Unix for 11/03 and 11/23+ Systems

If we can't use MINIUNIX to rebuild MINIUNIX kernel, should we try to bodge together rebuilding via apout? I have done some work there for 2.11BSD stuff, but didn't need it for bootstrapping (just needed to use it to bootstrap as). Warner On Wed, Sep 30, 2020 at 2:09 PM Ray Jewhurst via cctalk <

Re: SCP/Microsoft 20HAL uploader

On Sun, Sep 27, 2020, 8:12 PM Richard Cini via cctalk wrote: > Great point. Does a VT100 have a pass-through serial port? It's how printers were connected... Warner Maybe the development machine was connected to a pass through serial port > on a terminal and then sent command to the DEC-20 to

Re: Notes on HP3000 WCS Microcode, Series 37 on ebay in Germany

On Wed, Sep 16, 2020 at 9:19 AM Lee Courtney via cctalk < cctalk@classiccmp.org> wrote: > "Was Lee Courtney involved with the APL 3000 project?" - unfortunately no I > was not. Just RTE on the 1000 and later MPE on PA-RISC. All I know is that > there was microcode support required to run APL on Se

Re: Old tape files needing review

On Mon, Sep 14, 2020 at 2:56 PM Warner Losh wrote: > > > On Mon, Sep 14, 2020 at 2:26 PM Chuck Guzis via cctalk < > cctalk@classiccmp.org> wrote: > >> Folks, >> >> I've got a fair amount of what would be classified as public domain tape >> data from old customer jobs wandering around. I don't ha

Re: Old tape files needing review

On Mon, Sep 14, 2020 at 2:26 PM Chuck Guzis via cctalk < cctalk@classiccmp.org> wrote: > Folks, > > I've got a fair amount of what would be classified as public domain tape > data from old customer jobs wandering around. I don't have the time to > peruse it in detail and was wondering if someone

Re: Looking for an IDE simulator

On Sun, Aug 30, 2020, 10:03 AM Jules Richardson via cctalk < cctalk@classiccmp.org> wrote: > On 8/28/20 12:40 PM, Al Kossow via cctalk wrote: > > Also, I discovered recently that there is a maximum number of hours > > measured in years on SSDs and systems will start throwing SMART > > errors when

Re: Looking for an IDE simulator

On Fri, Aug 28, 2020 at 1:14 PM David Bridgham via cctalk < cctalk@classiccmp.org> wrote: > On 8/28/20 1:10 PM, Paul Koning wrote: > > > SD is a packet based storage device on a serial interconnect, minimally > one lane wide but it can also be four lanes (and that's typically how you > use it). A

Re: Looking for an IDE simulator

On Fri, Aug 28, 2020 at 11:41 AM Al Kossow via cctalk wrote: > On 8/28/20 10:10 AM, Paul Koning via cctalk wrote: > > > SD is a packet based storage device on a serial interconnect > You really do need SMART monitoring on solid-state storage > which may or may not exist in the adapters. SSDs will

Re: Looking for an IDE simulator

On Fri, Aug 28, 2020 at 11:10 AM Paul Koning via cctalk < cctalk@classiccmp.org> wrote: > > > > On Aug 28, 2020, at 12:15 PM, David Bridgham via cctalk < > cctalk@classiccmp.org> wrote: > > > > > >> in an online search - the CFADPTHD seems like it's close to what I'd > want, > >> except it's Compa

Re: Looking for MIPS Magnum R4000 or compatible

On Fri, Aug 28, 2020 at 10:29 AM Sean Ellis via cctalk < cctalk@classiccmp.org> wrote: > Hello all, apparently I've been in this group now for weeks but my > spam filter thinks it's all spam. Fixed that, I hope. > > Does anyone have any leads on a MIPS Magnum R4000 or Jazz-compatible > machine? I'

Re: Looking for an IDE simulator

On Fri, Aug 28, 2020 at 10:19 AM Al Kossow via cctalk wrote: > On 8/28/20 9:07 AM, Noel Chiappa via cctalk wrote: > > I've decided that > > I should see if there's an IDE emulator (using SD cards) available I > could > > switch to. > You may want to use PATA disk-on-module. > There's also a crap

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