Re: Is tape dead?

2015-09-15 Thread Christian Gauger-Cosgrove
On 15 September 2015 at 13:52, Fred Cisin wrote: > Would anybody really trust the miscreants to provide the key after the > ransom is paid? > They actually do deliver. It's their "business model"; if they didn't deliver the keys to decrypt your data after paying them, then eventually word would ge

Re: internet blocking problem ?

2015-09-15 Thread Adrian Stoness
im in wpg canada and can see it through rogers mobile On Tue, Sep 15, 2015 at 8:25 PM, Jon Elson wrote: > On 09/15/2015 12:11 PM, Gary Oliver wrote: > >> I don't know if anyone got to the bottom of this blockage, but I noticed >> this morning that the site "members.iinet.net.au" is now accessib

Re: Somewhat OT: Freighting Items

2015-09-15 Thread Paul Anderson
I'm very used to first time shippers. I hope it works out well for you. On Tue, Sep 15, 2015 at 7:09 PM, Ali wrote: > > I know I'm a little late on this, but for something that small why not > > wrap it in bubble or whatever, put it in a gaylord strap it to a pallet > > and send it common carri

Re: Is tape dead?

2015-09-15 Thread Eric Christopherson
On Tue, Sep 15, 2015, Philip Pemberton wrote: > On 15/09/15 19:27, Eric Smith wrote: > > On Mon, Sep 14, 2015 at 6:38 PM, drlegendre . wrote: > >> To the cloud, to the CLOUD!! > > > > There is no cloud, just other people's computers. > > "Real men don't make backups, they just put their stuff on

Re: release dates of early microcomputer operating systems,

2015-09-15 Thread ben
On 9/15/2015 7:45 PM, Smith, Wayne wrote: Date: Tue, 15 Sep 2015 03:03:05 -0600 From: Eric Smith To: "General Discussion: On-Topic and Off-Topic Posts" Subject: Re: release dates of early microcomputer operating systems, incl. Intel ISIS Are you sure ISIS (one) didn't have disk

Re: release dates of early microcomputer operating systems,

2015-09-15 Thread Smith, Wayne
> Date: Tue, 15 Sep 2015 03:03:05 -0600 > From: Eric Smith > To: "General Discussion: On-Topic and Off-Topic Posts" > > Subject: Re: release dates of early microcomputer operating systems, > incl. Intel ISIS > > Are you sure ISIS (one) didn't have disk support? I thought that was > s

Re: internet blocking problem ?

2015-09-15 Thread Jon Elson
On 09/15/2015 12:11 PM, Gary Oliver wrote: I don't know if anyone got to the bottom of this blockage, but I noticed this morning that the site "members.iinet.net.au" is now accessible from my comcast (oregon) location. It's still broken elsewhere because few of the sites I visited that should

RE: Somewhat OT: Freighting Items

2015-09-15 Thread Ali
> I know I'm a little late on this, but for something that small why not > wrap it in bubble or whatever, put it in a gaylord strap it to a pallet > and send it common carrier? > Paul, I am on the receiving end of this package so I was not shipping. The seller actually tried to ship FedEx but w

Re: Backups [was Re: Is tape dead?]

2015-09-15 Thread Sean Caron
I ride herd on maybe three or four thousand Hitachi Ultrastar A7K{2,3,4}000 2 TB and 3 TB disks and they take a real pounding with the workload here and they have just been fantastic ... great drives; very solid ... Also used the WDC RE4 when Thailand got flooded out a few years ago and we were in

Re: DEC Alpha 3000 Model 600

2015-09-15 Thread Sean Caron
Yes, I found my DEC 3000 was very, very finicky about the CD-ROM drive as well ... fortunately persistence prevailed on my 3000/400 :O My experience is a little limited but the DEC 3000s do seem a little tricky to get to run right. Just gotta keep at it... Best, Sean On Tue, Sep 15, 2015 at 6:0

Re: DEC Alpha 3000 Model 600

2015-09-15 Thread Rod Smallwood
Now returned from vacation in southen Germany (warmer than the uk) and wading through 500+ emails. Well the good news is that 8.3 _will _install on the 3000 - 600. It boots every time now. The problem is its verry fussy about the CD drive you use. Borrowing a nearly new genuine DEC RRD drive fr

Re: Somewhat OT: Freighting Items

2015-09-15 Thread Paul Anderson
I know I'm a little late on this, but for something that small why not wrap it in bubble or whatever, put it in a gaylord strap it to a pallet and send it common carrier? On Tue, Sep 1, 2015 at 12:23 AM, Ali wrote: > I know this is a topic that comes up quite often and I have archived a > number

Re: Is tape dead?

2015-09-15 Thread Richard Loken
On Tue, 15 Sep 2015, Mouse wrote: > I think the language is less important than what the code is doing. > > I can scribble out hundreds of lines a day when it's boilerplate or > just a mechanical transcription of a well-burnt-in algorithm, but can > easily drop down to the single-digit range when

RE: Backups [was Re: Is tape dead?]

2015-09-15 Thread Ali
> In the case of spinning rust, what brand is most reliable? I've seen > dreadful reports of DOA drives from Western Digital, fewer from > Seagate, > but I don't know about Hitachi, Samsung, etc. Caveat: my experience is as a home "power user" In my experience it all depends: I have a set of Sea

Re: Backups [was Re: Is tape dead?]

2015-09-15 Thread Al Kossow
On 9/15/15 1:02 PM, Chuck Guzis wrote: In the case of spinning rust, what brand is most reliable? I've seen dreadful reports of DOA drives from Western Digital, fewer from Seagate, but I don't know about Hitachi, Samsung, etc. CHM has been having good luck with 3 and 4tb (mostly) Hitachi a

Re: Backups [was Re: Is tape dead?]

2015-09-15 Thread Chuck Guzis
On 09/15/2015 12:32 PM, et...@757.org wrote: Pictures and movies can be original work - perhaps not for you, certainly mostly not for me (I have a few original pictures, but only a few), but I know graphic designers and photographers who have probably produced at least a gigabyte of original pict

Re: Backups [was Re: Is tape dead?]

2015-09-15 Thread Warner Losh
On Tue, Sep 15, 2015 at 2:07 PM, Thomas Kula wrote: > On Tue, Sep 15, 2015 at 03:32:27PM -0400, et...@757.org wrote: > > > > I would cut multiple tapes of anything you care about! > > > > It's not simply enough to cut multiple tapes (backups) of anything you > care about --- you must periodically

Re: Is tape dead?

2015-09-15 Thread ben
On 9/15/2015 2:02 PM, Philip Pemberton wrote: On 15/09/15 19:27, Eric Smith wrote: On Mon, Sep 14, 2015 at 6:38 PM, drlegendre . wrote: To the cloud, to the CLOUD!! There is no cloud, just other people's computers. "Real men don't make backups, they just put their stuff on an FTP and let t

Re: Backups [was Re: Is tape dead?]

2015-09-15 Thread Thomas Kula
On Tue, Sep 15, 2015 at 03:32:27PM -0400, et...@757.org wrote: > > I would cut multiple tapes of anything you care about! > It's not simply enough to cut multiple tapes (backups) of anything you care about --- you must periodically *read* and *verify* those tapes (backups), so that you can re-co

Re: Is tape dead?

2015-09-15 Thread Philip Pemberton
On 15/09/15 19:27, Eric Smith wrote: > On Mon, Sep 14, 2015 at 6:38 PM, drlegendre . wrote: >> To the cloud, to the CLOUD!! > > There is no cloud, just other people's computers. "Real men don't make backups, they just put their stuff on an FTP and let the rest of the world mirror it..." -- Ph

Re: Is tape dead?

2015-09-15 Thread ben
On 9/15/2015 12:49 PM, Richard Loken wrote: On Tue, 15 Sep 2015, Chuck Guzis wrote: Maybe that's changed today. I remember seeing a figure of 11 debugged lines of code per day per programmer as the average for a GSA programmer back in the 1980s. I remeber that statistic from my youth, too.

Re: Backups [was Re: Is tape dead?]

2015-09-15 Thread ethan
Pictures and movies can be original work - perhaps not for you, certainly mostly not for me (I have a few original pictures, but only a few), but I know graphic designers and photographers who have probably produced at least a gigabyte of original pictures each by now. And people into video produ

Backups [was Re: Is tape dead?]

2015-09-15 Thread Mouse
> I think a more important issue in backing up is "How many GENERATIONS > to you keep around?" For many purposes, that's an important consideration, yes. There's something (small) I back up weekly for which I keep the most recent seven backups, the oldest backup in each of the most recent twelve

Re: FS: PDP-11/55

2015-09-15 Thread Rob Krten
Reminder: final day of bidding is today! www.krten.com/~rk/museum/index.html Don't miss this opportunity to own a piece of history! Cheers, -RK On Sun, Aug 23, 2015 at 07:03:43PM -0400, Rob Krten wrote: > > Hi all, > > I have a PDP-11/55 for sale (Ottawa, Ontario, Canada). Bids ope

Re: Is tape dead?

2015-09-15 Thread Chuck Guzis
On 09/15/2015 11:49 AM, Richard Loken wrote: On Tue, 15 Sep 2015, Chuck Guzis wrote: Maybe that's changed today. I remember seeing a figure of 11 debugged lines of code per day per programmer as the average for a GSA programmer back in the 1980s. I remeber that statistic from my youth, too.

Re: 12" Floppy Disks

2015-09-15 Thread Jules Richardson
On 09/15/2015 03:39 AM, Adrian Graham wrote: Morning folks, I've been contacted by a teacher who's looking for any information about 12" floppies. Am I imagining that they really existed? I'm sure I've seen one or seen adverts for them, maybe at Bletchley Park. Others he's contacted think he's g

Re: Is tape dead?

2015-09-15 Thread Mouse
>> Maybe that's changed today. I remember seeing a figure of 11 >> debugged lines of code per day per programmer as the average for a >> GSA programmer back in the 1980s. > I remeber that statistic from my youth, too. What kind of code? > Fortran? APL? Cobol? Assember? C? I think the languag

Re: Is tape dead?

2015-09-15 Thread Richard Loken
On Tue, 15 Sep 2015, Chuck Guzis wrote: > Maybe that's changed today. I remember seeing a figure of 11 debugged > lines of code per day per programmer as the average for a GSA programmer > back in the 1980s. I remeber that statistic from my youth, too. What kind of code? Fortran? APL? Cobol?

Re: Is tape dead?

2015-09-15 Thread Richard Loken
On Tue, 15 Sep 2015, Eric Smith wrote: > That's one heck of a compression ratio, given that the native > (uncompressed) capacity of an LTO-5 cartridge is 1.5 TB. Usually the > vendors claim 2.5:1 compression, but obviously the actual compression Of course it is 1.5Tbyte native and 3.0Tbyte compr

Re: Is tape dead?

2015-09-15 Thread Chuck Guzis
On 09/15/2015 10:49 AM, Mouse wrote: If the police needed to even _consider_ doing that, they need to fire whoever decided they didn't need proper backups. (And whoever was responsible for the mistake that got it running there to begin with, either whoever decided to let it run or whoever decid

Re: Is tape dead?

2015-09-15 Thread Eric Smith
On Mon, Sep 14, 2015 at 4:56 PM, Richard Loken wrote: > These are LTO-5 > cartridges that can hold up to 30 Tbyte of compressed data and it can be > written on the tape with astonishing speed. That's one heck of a compression ratio, given that the native (uncompressed) capacity of an LTO-5 cartri

Re: 12" Floppy Disks

2015-09-15 Thread Johnny Billquist
On 2015-09-15 20:25, Paul Koning wrote: On Sep 15, 2015, at 2:19 PM, Johnny Billquist wrote: On 2015-09-15 19:03, Paul Koning wrote: On Sep 15, 2015, at 12:28 PM, tony duell wrote: ... AFAIK the RK04 never existed. The RK02 and RK03 were re-badged Diablo Model 30 drives, the 02 being low

Re: Is tape dead?

2015-09-15 Thread Eric Smith
On Mon, Sep 14, 2015 at 6:38 PM, drlegendre . wrote: > To the cloud, to the CLOUD!! There is no cloud, just other people's computers.

Re: 12" Floppy Disks

2015-09-15 Thread Paul Koning
> On Sep 15, 2015, at 2:19 PM, Johnny Billquist wrote: > > On 2015-09-15 19:03, Paul Koning wrote: >> >>> On Sep 15, 2015, at 12:28 PM, tony duell wrote: >>> >>> ... >>> AFAIK the RK04 never existed. The RK02 and RK03 were re-badged Diablo Model >>> 30 >>> drives, the 02 being low density an

Re: Is tape dead?

2015-09-15 Thread Mouse
>> (3) "Oh no." This includes things like disk drives dying. > (3a) “ does that smell like smoke to you?” - > offsite > backups... Yes. Offsite backups are an important piece for many threat models. But that's mostly orthogonal to whether they're designed to defend against my (1), (2), or (3); a

RE: Is tape dead?

2015-09-15 Thread Dave G4UGM
> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of TeoZ > Sent: 15 September 2015 18:24 > To: General Discussion: On-Topic and Off-Topic Posts > > Subject: Re: Is tape dead? > > Sometimes I think management just wants to offload the important work to >

Re: 12" Floppy Disks

2015-09-15 Thread Johnny Billquist
On 2015-09-15 19:03, Paul Koning wrote: On Sep 15, 2015, at 12:28 PM, tony duell wrote: ... AFAIK the RK04 never existed. The RK02 and RK03 were re-badged Diablo Model 30 drives, the 02 being low density and the 03 high density. The RK05, very well known was a DEC drive of the same capacity,

Re: Is tape dead?

2015-09-15 Thread Liam Proven
On 15 September 2015 at 19:40, Fred Cisin wrote: > AVG and McAfee. not necessarily the best stuff. > Scan, while the malware was screwing stuff up in the background, did not > find anything to complain about! Until a few weeks ago I worked for AVG. *Don't* run 2 resident shield apps at once.

Re: Is tape dead?

2015-09-15 Thread Paul Koning
> On Sep 15, 2015, at 1:49 PM, Mouse wrote: > ... > If the police needed to even _consider_ doing that, they need to fire > whoever decided they didn't need proper backups. But the nice thing about not having proper backups is that you can pretend "the drive failed" if someone requires you to

Re: Is tape dead?

2015-09-15 Thread Fred Cisin
Ever heard of CRYPTOWALL ? I think that I got it from looking at PDFs on the web while doing some research. [...] On Tue, 15 Sep 2015, Mouse wrote: I trust you've now switched PDF viewers to one that doesn't gratuitously execute (attempts at) live content? Google Chrome and Internet Explore

Re: Is tape dead?

2015-09-15 Thread Tapley, Mark
On Sep 15, 2015, at 12:41 PM, Mouse wrote: > (3) "Oh no." This includes things like disk drives dying. (3a) “ does that smell like smoke to you?” - > offsite backups...

Re: Is tape dead?

2015-09-15 Thread Fred Cisin
Ever heard of CRYPTOWALL ? I think that I got it from looking at PDFs on the web while doing some research. It's a trojan, not a virus. It runs in the background encrypting files. Then it pops up a message demanding 500 euros for the key! On Tue, 15 Sep 2015, et...@757.org wrote: Sounds li

Re: Is tape dead?

2015-09-15 Thread Mouse
>> Ever heard of CRYPTOWALL ? I think that I got it from looking at >> PDFs on the web while doing some research. [...] I trust you've now switched PDF viewers to one that doesn't gratuitously execute (attempts at) live content? > Sounds like Cryptolocker. Even the police paid the ransom to ge

Re: Is tape dead?

2015-09-15 Thread Mouse
>> Delete it on the master and have it faithfully deleted on the replica. > Backup should NOT be connected to the computer that it is backing up, > and should be a drive, NOT a connected computer. Depends on why you have backups - that is, what kind of trouble the backups are intended to defend ag

Re: Is tape dead?

2015-09-15 Thread Fred Cisin
Ever heard of CRYPTOWALL ? I think that I got it from looking at PDFs on the web while doing some research. It's a trojan, not a virus. It runs in the background encrypting files. Then it pops up a message demanding 500 euros for the key! On Tue, 15 Sep 2015, Steven Hirsch wrote: Out of cu

Re: Is tape dead?

2015-09-15 Thread ethan
Ever heard of CRYPTOWALL ? I think that I got it from looking at PDFs on the web while doing some research. It's a trojan, not a virus. It runs in the background encrypting files. Then it pops up a message demanding 500 euros for the key! Sounds like Cryptolocker. Even the police paid the

Re: Is tape dead?

2015-09-15 Thread ethan
Well in this case they claim 15Tbyte uncompressed but 100Gbyte uncompressed is still a lot more than a DLT-IV will hold. 15GByte uncompressed and 100Gbyte compressed? Tape companies always misrepresent their products. Compressed doesn't count.

Re: Is tape dead?

2015-09-15 Thread TeoZ
Sometimes I think management just wants to offload the important work to some other entity so they can move the blame once things go south (and they eventually will). So much in the news about companies getting hacked and all the information stolen makes me wonder why your competition just cant

Re: 12" Floppy Disks

2015-09-15 Thread Paul Koning
> On Sep 15, 2015, at 1:11 PM, tony duell wrote: > > > >> There was also an RK08, as I recall -- same platter as the RK11/RK05 but 16 >> sectors per track instead of 12. > > I thought the RK(0)8 was the controller for a PDP8 system. I have an RK8E in > my PDP8/E, it links to > a normal RK05

Re: Is tape dead?

2015-09-15 Thread Steven Hirsch
On Tue, 15 Sep 2015, Fred Cisin wrote: Ever heard of CRYPTOWALL ? I think that I got it from looking at PDFs on the web while doing some research. It's a trojan, not a virus. It runs in the background encrypting files. Then it pops up a message demanding 500 euros for the key! Out of cur

Re: Is tape dead?

2015-09-15 Thread Paul Koning
> On Sep 15, 2015, at 1:12 PM, Fred Cisin wrote: > > On Tue, 15 Sep 2015, Guy Dawson wrote: >> Delete it on the master and have it faithfully deleted on the replica. > > Yeah. > > Backup should NOT be connected to the computer that it is backing up, and > should be a drive, NOT a connected co

RE: 12" Floppy Disks

2015-09-15 Thread tony duell
> There was also an RK08, as I recall -- same platter as the RK11/RK05 but 16 > sectors per track instead of 12. I thought the RK(0)8 was the controller for a PDP8 system. I have an RK8E in my PDP8/E, it links to a normal RK05 drive. It does indeed use 16 (hard) sector packs, unlike the 12 s

Re: Is tape dead?

2015-09-15 Thread Fred Cisin
On Tue, 15 Sep 2015, Guy Dawson wrote: Delete it on the master and have it faithfully deleted on the replica. Yeah. Backup should NOT be connected to the computer that it is backing up, and should be a drive, NOT a connected computer. Ever heard of CRYPTOWALL ? I think that I got it from l

Re: internet blocking problem ?

2015-09-15 Thread Gary Oliver
I don't know if anyone got to the bottom of this blockage, but I noticed this morning that the site "members.iinet.net.au" is now accessible from my comcast (oregon) location. It's still broken elsewhere because few of the sites I visited that should be on the ring have working webring links,

ZX Spectrum disk interfaces

2015-09-15 Thread Liam Proven
A question born only of idle curiosity. In thge 1980s, I bought an MGT +D disk interface for the Sinclair ZX Spectrum: https://en.wikipedia.org/wiki/%2BD In the end, I traded mine in for its upmarket cousin, the DISCiPLE: https://en.wikipedia.org/wiki/DISCiPLE (I link to WP as I originally wro

Re: 12" Floppy Disks

2015-09-15 Thread Paul Koning
> On Sep 15, 2015, at 12:28 PM, tony duell wrote: > > ... > AFAIK the RK04 never existed. The RK02 and RK03 were re-badged Diablo Model 30 > drives, the 02 being low density and the 03 high density. The RK05, very well > known > was a DEC drive of the same capacity, physical track format, etc a

RE: release dates of early microcomputer operating systems, incl. Intel ISIS

2015-09-15 Thread Dave G4UGM
All I get from that is an Abstract and and invitation to pay lots of money. The University I work for is not on the ACM list. Anyone have an original paper copy they could send be? > -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Al Kossow > Sent: Tue

Re: Is tape dead?

2015-09-15 Thread Richard Loken
On Mon, 14 Sep 2015 et...@757.org wrote: > 30Tbyte compressed* > (100Gbyte uncompressed) Well in this case they claim 15Tbyte uncompressed but 100Gbyte uncompressed is still a lot more than a DLT-IV will hold. -- Richard Loken VE6BSV, Unix System Administrator : "Anybody can be a father A

RE: Is tape dead?

2015-09-15 Thread Dave G4UGM
You can't access the replica directly. Even if you could the replicas use incremental revisions, so you can go back to previous versions > -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Guy > Dawson > Sent: Tuesday, 15 September, 2015 2:57 PM > T

RE: 12" Floppy Disks

2015-09-15 Thread tony duell
> > I wonder if he's thinking of the 14" hard disk cartridges, perhaps the > > front loading > > ones used in things like the RK05 drive. > > > I have the platters from one of these drives. One of the "youngsters" A fair number of list members have such drives, still operational. If I crane my

RE: release dates of early microcomputer operating systems, incl. Intel ISIS

2015-09-15 Thread Dave G4UGM
It was converted to being "programmable" in 1948. > -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Noel > Chiappa > Sent: Tuesday, 15 September, 2015 12:58 PM > To: cctalk@classiccmp.org > Cc: j...@mercury.lcs.mit.edu > Subject: Re: release dates of e

RE: 12" Floppy Disks

2015-09-15 Thread tony duell
> The PLATO IV terminals (the hardwired Magnavox ones, not the later > microprocessor based > ones) had an optional "Audio player". That used a floppy disk of about that > size, storing > analog audio snippets (in analog form, not digitized -- remember, this was > around 1972). > Seek was

Re: PDP-11 manuals scanned/scanning

2015-09-15 Thread Henk Gooijen
-Oorspronkelijk bericht- From: Noel Chiappa Sent: Tuesday, September 15, 2015 3:34 PM To: cctalk@classiccmp.org Cc: j...@mercury.lcs.mit.edu Subject: PDP-11 manuals scanned/scanning OK, so I finally got set up to scan manuals, with a scanner with a document feeder, so I don't have to sit

Re: 12" Floppy Disks

2015-09-15 Thread Chuck Guzis
In this day and age, nothing surprises me. The question also hinges on the nationality and age of the questioner. A common 5.25" floppy is about 13 cm in size. Perhaps the young teacher didn't have his units correct. People often don't believe me when I tell them that the floppy disc actual

Re: 12" Floppy Disks

2015-09-15 Thread Warner Losh
On Tue, Sep 15, 2015 at 7:27 AM, tony duell wrote: > > > > I've been contacted by a teacher who's looking for any information about > > 12" floppies. Am I imagining that they really existed? I'm sure I've seen > > one or seen adverts for them, maybe at Bletchley Park. Others he's > > contacted th

Re: Is tape dead?

2015-09-15 Thread geneb
On Mon, 14 Sep 2015, drlegendre . wrote: To the clown, to the CLOWN!! =P Fixed that for ya. g. -- Proud owner of F-15C 80-0007 http://www.f15sim.com - The only one of its kind. http://www.diy-cockpits.org/coll - Go Collimated or Go Home. Some people collect things for a hobby. Geeks collec

Re: PDP-11 manuals scanned/scanning

2015-09-15 Thread Henk Gooijen
-Oorspronkelijk bericht- From: Noel Chiappa Sent: Tuesday, September 15, 2015 3:34 PM To: cctalk@classiccmp.org Cc: j...@mercury.lcs.mit.edu Subject: PDP-11 manuals scanned/scanning OK, so I finally got set up to scan manuals, with a scanner with a document feeder, so I don't have to sit

Re: 12" Floppy Disks

2015-09-15 Thread Paul Koning
> On Sep 15, 2015, at 4:39 AM, Adrian Graham wrote: > > Morning folks, > > I've been contacted by a teacher who's looking for any information about > 12" floppies. Am I imagining that they really existed? I'm sure I've seen > one or seen adverts for them, maybe at Bletchley Park. Others he's >

RE: Is tape dead?

2015-09-15 Thread Jay West
Along the lines of this thread... back a few years ago when it was mentioned on the list that the last company making 1/2 mag tape was ceasing production, I bought a couple cases (I think 24 tapes total). I'm about 3/4ths of the way through them. Anyone know if new manufactured 1/2 mag tape can

Re: PDP-11 manuals scanned/scanning

2015-09-15 Thread Al Kossow
On 9/15/15 6:34 AM, Noel Chiappa wrote: The first thing through the machine was the DZV11 Technical Manual (which Paul Anderson was gracious enough to loan out, to enable it to be put online - thanks Paul!), now available here: thanks! UL-ing them now.

Re: release dates of early microcomputer operating systems, incl. Intel ISIS

2015-09-15 Thread Al Kossow
On 9/15/15 4:57 AM, Noel Chiappa wrote: the machine had to be configured (via connecting up computing units with cables) In 1947 ENIAC was modifed at BRL to be a stored program computer. http://dl.acm.org/citation.cfm?id=1339839

Re: Is tape dead?

2015-09-15 Thread Guy Dawson
Delete it on the master and have it faithfully deleted on the replica. On 15 September 2015 at 00:13, Dave G4UGM wrote: > I spoke to my former employer and they are ditching tape. They want > off-site > replication and if they have an off-site replica they see no need for > tape. > > Dave >

PDP-11 manuals scanned/scanning

2015-09-15 Thread Noel Chiappa
OK, so I finally got set up to scan manuals, with a scanner with a document feeder, so I don't have to sit there and feed the beast! So now I can scan in a number of 'missing' (online, at least) PDP-11 manuals which I happen to have. The first thing through the machine was the DZV11 Technical Manu

RE: M8192 KDJ11-A ZKDJB2 XXDP Test Failure

2015-09-15 Thread tony duell
> Got it, thx. > > So this means the use of an "argument amplifier" or a "discussion wood"... > (translated from german) Yes :-) Another common term is 'cluestick'. It's a type of LART (Luser Attitude Readjustment Tool). When HP released the LogicDart, I jokingly suggested it should be a 'De

RE: 12" Floppy Disks

2015-09-15 Thread tony duell
> > I've been contacted by a teacher who's looking for any information about > 12" floppies. Am I imagining that they really existed? I'm sure I've seen > one or seen adverts for them, maybe at Bletchley Park. Others he's > contacted think he's getting confused with 12" laser discs but I'm not so

R: Re: 12" Floppy Disks

2015-09-15 Thread supervinx
May be he's a fisherman :) They tend to oversize everything :D Messaggio originale Da: Fred Cisin Data:15/09/2015 14:01 (GMT+01:00) A: "General Discussion: On-Topic and Off-Topic Posts" Oggetto: Re: 12" Floppy Disks On Tue, 15 Sep 2015, Adrian Graham wrote: > Morning f

Re: 12" Floppy Disks

2015-09-15 Thread Fred Cisin
On Tue, 15 Sep 2015, Adrian Graham wrote: Morning folks, I've been contacted by a teacher who's looking for any information about 12" floppies. Am I imagining that they really existed? I'm sure I've seen one or seen adverts for them, maybe at Bletchley Park. Others he's contacted think he's getti

Re: release dates of early microcomputer operating systems, incl. Intel ISIS

2015-09-15 Thread Noel Chiappa
> From: Dave G4UGM > although ENIAC first ran a program it was stored as acoustic waves I don't think ENIAC used acoustic delay storage? Perhaps what you're thinking of is that in the original ENIAC usage, there was no 'program' as we now think of that term; the machine had to be configur

Re: 12" Floppy Disks

2015-09-15 Thread SPC
I'm almost sure that he's thinking in one 5 1/4" of 1.2 mb capacity. Kind Regards Sergio Pedraja 2015-09-15 10:51 GMT+02:00 Eric Smith : > On Tue, Sep 15, 2015 at 2:39 AM, Adrian Graham > wrote: > > I've been contacted by a teacher who's looking for any information about > > 12" floppies. Am I

Re: release dates of early microcomputer operating systems, incl. Intel ISIS

2015-09-15 Thread Eric Smith
On Tue, Sep 15, 2015 at 2:34 AM, Dave G4UGM wrote: > Looks like FLEX for the 6809 was also 1976... A neat trick since the 6809 wasn't introduced until 1978. I assume what is really meant is FLEX for the 6800. > BUT I don't believe ISIS became an operating system until 1976 when ISIS II > added

Re: 12" Floppy Disks

2015-09-15 Thread Eric Smith
On Tue, Sep 15, 2015 at 2:39 AM, Adrian Graham wrote: > I've been contacted by a teacher who's looking for any information about > 12" floppies. Am I imagining that they really existed? I'm sure I've seen > one or seen adverts for them, maybe at Bletchley Park. Others he's > contacted think he's g

12" Floppy Disks

2015-09-15 Thread Adrian Graham
Morning folks, I've been contacted by a teacher who's looking for any information about 12" floppies. Am I imagining that they really existed? I'm sure I've seen one or seen adverts for them, maybe at Bletchley Park. Others he's contacted think he's getting confused with 12" laser discs but I'm no

RE: release dates of early microcomputer operating systems, incl. Intel ISIS

2015-09-15 Thread Dave G4UGM
> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Eric Smith > Sent: Tuesday, 15 September, 2015 8:48 AM > To: General Discussion: On-Topic and Off-Topic Posts > > Subject: release dates of early microcomputer operating systems, incl. Intel > ISIS >

Re: release dates of early microcomputer operating systems, incl. Intel ISIS

2015-09-15 Thread Nigel Williams
On Tue, Sep 15, 2015 at 5:47 PM, Eric Smith wrote: > On Twitter, @hotelzululima suggested Motorola MIKBUG, introduced in > 1974, but IMO it's a monitor, not an operating system. Given the constraints of the systems of that time (speed, memory size, peripheral support) the line between monitor and

Re: M8192 KDJ11-A ZKDJB2 XXDP Test Failure

2015-09-15 Thread Holm Tiffe
Mouse wrote: > >> [...] a dose of the clue-by-four! > > Häh? What's that "clue-by-four!" ? :-) > > The :-) makes it look as though you actually know what it is, but your > asking for native-anglophone help makes me think perhaps not. So I'm > going to treat this as the request for idiom explanat

Re: release dates of early microcomputer operating systems, incl. Intel ISIS

2015-09-15 Thread Nigel Williams
On Tue, Sep 15, 2015 at 5:47 PM, Eric Smith wrote: > I've been searching for introduction dates of early microcomputer > operating systems Are you including or excluding systems like the APL-based Intel 8008 MCM/70? https://en.wikipedia.org/wiki/MCM/70 circa 1974 - I guess Zbigniew's book might

release dates of early microcomputer operating systems, incl. Intel ISIS

2015-09-15 Thread Eric Smith
I've been searching for introduction dates of early microcomputer operating systems, by which I mean only operating systems that run on computers using single-chip microprocessors such as 8008, 8080, and 6800, but not the LSI-11, IMP-16, HP 9830, etc. Intel's ISIS operating system for their MDS wa