Re: VAX 780 on eBay

2022-01-02 Thread Mark J. Blair via cctalk
> On Jan 2, 2022, at 4:20 PM, Chris Zach via cctalk > wrote: > > On 1/2/2022 6:21 PM, Mark J. Blair via cctalk wrote: >> I am seriously lusting after that VAX-11/780 system on eBay > I keep thinking about it, but no. The 780 was neat from a historical > perspect

Re: VAX 780 on eBay

2022-01-02 Thread Mark J. Blair via cctalk
In the unlikely event that I win the lottery before that 11/780 batch sells, I'm going to buy it, buy a box truck, go pick it up, and then leave the box truck parked outside while I build a new building to put it all in. :D -- Mark J. Blair Blog:https://www.nf6x.net Git: https

Re: 11/785 on ebay (2018) - was Re: VAX 780 on eBay

2022-01-02 Thread Mark J. Blair via cctalk
8C transmitter, because I was working in the GPS industry at the time, and I bid the GPS L1 frequency in MHz. The second bidder just missed outbidding me, and I got it for my maximum bid. -- Mark J. Blair Blog:https://www.nf6x.net Git: https://gitlab.com/users/NF6X/groups HECnet: DOGPAK::MBLAIR Twitter: @nf6x

Re: VAX 780 on eBay

2022-01-02 Thread Mark J. Blair via cctalk
the UNIBUS expansion bus from that seller to add to my 730, but I think should leave it available for the buyer of that 780. -- Mark J. Blair Blog:https://www.nf6x.net Git: https://gitlab.com/users/NF6X/groups HECnet: DOGPAK::MBLAIR Twitter: @nf6x

Re: tamayatech let down

2021-12-26 Thread Mark J. Blair via cctalk
ements cannot be trusted. -- Mark J. Blair Blog:https://www.nf6x.net Git: https://gitlab.com/users/NF6X/groups HECnet: DOGPAK::MBLAIR Twitter: @nf6x

Re: PDP-11/44 gas struts

2021-12-24 Thread Mark J. Blair via cctalk
first: https://www.mcmaster.com/gas-struts/ -- Mark J. Blair Blog:https://www.nf6x.net Git: https://gitlab.com/users/NF6X/groups HECnet: DOGPAK::MBLAIR Twitter: @nf6x

Re: DEC BA11-K KY11-L mounting brackets -- how?

2021-04-18 Thread Mark J. Blair via cctalk
I'm not at home with the machine now, but if I remember (or get reminded in the next day or three), I'll try to take some pictures of my PDP-11/34A to help you out. -- Mark J. Blair, NF6X https://www.nf6x.net/

Re: Looking for VAXSET Software Engineering Tools for VMS 4.x

2021-04-17 Thread Mark J. Blair via cctalk
I'm interested in running earlier VMS versions on my 11/730. -- Mark J. Blair, NF6X https://www.nf6x.net/

Re: misc stuff - free

2020-12-15 Thread Mark J. Blair via cctalk
rybody is. Sigh. -- Mark J. Blair, NF6X https://www.nf6x.net/

Re: VT-320 interfacing

2020-11-09 Thread Mark J. Blair via cctalk
re's a page with details, including the wiring of that H8571 adapter: https://www.lammertbies.nl/comm/cable/dec-mmj#h71j -- Mark J. Blair, NF6X https://www.nf6x.net/

Re: Unable to download Dave Dunfield's ImageDisk

2020-03-25 Thread Mark J. Blair via cctalk
. Agreed! It's great. Even when I don't use it directly, the ImageDisk file format is good for a lot of stuff I do, such as archival of non-copy-protected disks for machines like the various Tandy/Radio Shack systems in my collection. I wrote Python code for working with the .IMD files on my Mac. -- Mark J. Blair http://www.nf6x.net/

Re: [HECnet] VAX/VMS 3.0 Distribution Available for Download --> Decnet

2020-03-22 Thread Mark J. Blair via cctalk
> On Mar 21, 2020, at 7:20 AM, R. Voorhorst via cctalk > wrote: > > It looks there is some decnet on the disk. > Exec list gives phase-III router: Which VMS release introduced DECnet Phase IV? -- Mark J. Blair http://www.nf6x.net/

Re: PDP - 8 Front panels

2019-11-28 Thread Mark J. Blair via cctalk
> On Nov 28, 2019, at 2:40 AM, Rod Smallwood via cctalk > wrote: > > Hello Everybody > > After a two year pause due to my wife having been ill but now fully > recovered I am back to starting making pdp-8 front panels again Welcome back! -- Mark J. Blair, NF6X http://www.nf6x.net/

Re: flux to imd

2019-09-24 Thread Mark J. Blair via cctalk
The list isn’t broken. This thread started off-list, and the Chuck CC’d the list late in the thread. -- Mark J. Blair http://www.nf6x.net

TU58 Archival (Was: Re: Tektrionix VAXBI board and DC100 training tapes?)

2019-09-21 Thread Mark J. Blair via cctalk
ands. I just typed in my name for the company name when I registered, and their site seemed happy with that. -- Mark J. Blair, NF6X http://www.nf6x.net/

Re: Tektrionix VAXBI board and DC100 training tapes?

2019-09-21 Thread Mark J. Blair via cctalk
tape media out of the original cartridge, abandoning the &$@#! drive belt concept. But that's going to be a fairly big project, so I haven't made progress on it beyond brainstorming so far. -- Mark J. Blair, NF6X http://www.nf6x.net/

Re: Tektrionix VAXBI board and DC100 training tapes?

2019-09-21 Thread Mark J. Blair via cctalk
Please see to it that those tapes get archived! Especially the 730 ones, for my own selfish interests as a 730 owner. :) -- Mark J. Blair, NF6X http://www.nf6x.net/

Shugart-Interface 8" Floppy Diskette Drive Configurability

2019-09-08 Thread Mark J. Blair via cctalk
em manufacturer, with no surviving systems in existence? Which were included just in case somebody might need them, but were never used in practice? I'd appreciate it if anybody can provide insight into this, such as examples of systems which required non-omnipresent and/or non-default configuration optio

Re: TRS-80 Fireworks

2019-08-30 Thread Mark J. Blair via cctalk
olyester film dielectric. But if I'm not mistaken, they don't; they have *paper* dielectric! Aside from that one correction, I agree with everything else you wrote about the likely failure mechanism of these evil little rectangles of compressed smoke and fire. -- Mark J. Blair, NF6X http://www.nf6x.net/

Re: Pertec Interface Cable Length

2019-08-11 Thread Mark J. Blair via cctalk
d be an engineer who works in the field of power generation and distribution. What term is used there for an engineer who works in fields of general electronics? -- Mark J. Blair, NF6X http://www.nf6x.net/

Re: Announcing Cadetwriter

2019-08-01 Thread Mark J. Blair via cctalk
ter History Museum in Mountain > View, California. Attached is a flyer on the device. I don't think that the flyer made it into the mailing list posting. From the text of your email, this sounds pretty cool. -- Mark J. Blair, NF6X http://www.nf6x.net/

Re: Scotch 777 "blue label" tape blues confirmed

2019-07-20 Thread Mark J. Blair via cctalk
ck tapes yet, but I've certainly been frustrated with binder bleed and/or sticky shed when I tried to mess with a TK50 drive. -- Mark J. Blair, NF6X http://www.nf6x.net/

Re: WordPerfect 5.1+ for VMS

2019-07-18 Thread Mark J. Blair via cctalk
a license refresh every 27 years? It's ransomware, I say! -- Mark J. Blair, NF6X http://www.nf6x.net/

Re: DEC Purchase Specifications, particularly 23-000A9-01

2019-07-17 Thread Mark J. Blair via cctalk
t I may have made that up), faster PROMs may have been needed in other places where they were used as logic gates. -- Mark J. Blair, NF6X http://www.nf6x.net/

Re: DEC Purchase Specifications, particularly 23-000A9-01

2019-07-17 Thread Mark J. Blair via cctalk
programming data. -- Mark J. Blair, NF6X http://www.nf6x.net/

Re: DEC Purchase Specifications, particularly 23-000A9-01

2019-07-17 Thread Mark J. Blair via cctalk
will need, but I'm still interested in the general problem of replacing defective bipolar PROMs and making new ones, when I can't just order blanks from Digi-Key. -- Mark J. Blair, NF6X http://www.nf6x.net/

DEC Purchase Specifications, particularly 23-000A9-01

2019-07-16 Thread Mark J. Blair via cctalk
anything the easy way? I sure wouldn't be playing with 40 year old computers if I was concerned with practicality and ease of use! -- Mark J. Blair, NF6X http://www.nf6x.net/

Re: Posting of set of boards from a data General nova 3 triple option

2019-07-13 Thread Mark J. Blair via cctalk
familiar with what the triple option is. Is it something I should lust after? -- Mark J. Blair, NF6X http://www.nf6x.net/

Emulex SC11 Documentation Wanted

2019-06-28 Thread Mark J. Blair via cctalk
://www.nf6x.net/2019/06/emulex-sc11-disk-controller-documentation-wanted/ -- Mark J. Blair, NF6X http://www.nf6x.net/

Re: Recovering the ROM of an IBM 5100 using OCR (among other things)

2019-06-27 Thread Mark J. Blair via cctalk
s of the tape. I don't recall seeing one of those in either of the computer rooms I worked in as a student back in the late 1980s. I would love to get my hands on one (or make one?) now. -- Mark J. Blair, NF6X http://www.nf6x.net/

Re: Kids these days...

2019-06-10 Thread Mark J. Blair via cctalk
about business stuff like that. Yesterday I saw a company car for a presumed IT service company called Telnet something or other. I don’t think I would rely on Telnet for my information security needs. -- Mark J. Blair http://www.nf6x.net

Re: 9-Track Magtape Drive ID

2019-06-01 Thread Mark J. Blair via cctalk
vailable and > takes seconds > to install for a perfect fit. Thanks! That's bound to be helpful advice... if not now, then someday in the future. -- Mark J. Blair http://www.nf6x.net/

Re: 9-Track Magtape Drive ID

2019-06-01 Thread Mark J. Blair via cctalk
> On Jun 1, 2019, at 15:27, John H. Reinhardt via cctalk > wrote: > > Congrats!! Should be fun to play with. I just picked up a Micro PDP-11/53 > which is about the biggest I can fit into my office/computer room. lol > Neat! I’d like to get a PDP-11 in that form factor someday.

Re: 9-Track Magtape Drive ID

2019-06-01 Thread Mark J. Blair via cctalk
anyway, I offered to help out by hauling for both of us in exchange for taking a skim off the top of the pile. It’ll be a busy weekend! -- Mark J. Blair http://www.nf6x.net

Re: 9-Track Magtape Drive ID

2019-06-01 Thread Mark J. Blair via cctalk
collector and using some of the boards I accumulated for it in the 11/34A. I’m on the fence about that. -- Mark J. Blair http://www.nf6x.net

Re: 9-Track Magtape Drive ID

2019-06-01 Thread Mark J. Blair via cctalk
the brown panel between the tape drive and computer be a filler panel, or part of the 11/34A? I don't know anything about the system configuration yet other than what can be seen in that picture. -- Mark J. Blair http://www.nf6x.net/

9-Track Magtape Drive ID

2019-06-01 Thread Mark J. Blair via cctalk
Does anybody here recognize the make and model of this tape drive? https://pbs.twimg.com/media/D7_mfdfUIAMcTly.jpg -- Mark J. Blair, NF6X http://www.nf6x.net/

Re: Newbie Punch Tape Questions

2018-12-25 Thread Mark J. Blair via cctalk
first guess would be that a tape with CNC machine programming would contain G code, and look like cryptic ASCII text. I'm interested in hearing what you find. -- Mark J. Blair http://www.nf6x.net/

Re: VAX 9440

2018-11-13 Thread Mark J. Blair via cctalk
What a majestic system! When I saw the teaser picture of the backs of racks on Twitter, I was assuming something in the 11/78x series. I don't know anything about the 9440 yet, so it'll be fun to read up on that. -- Mark J. Blair, NF6X http://www.nf6x.net/

Re: desoldering (was Re: VAX 9440)

2018-11-13 Thread Mark J. Blair via cctalk
, make sure that it can drive both simultaneously. There are dual-output stations that have two outputs but can only run one at a time, as well as ones which can drive two irons at once. -- Mark J. Blair, NF6X http://www.nf6x.net/

Re: Advice requested on proper disposal of Seagate ST3000DM001 disk drives

2018-09-22 Thread Mark J. Blair via cctalk
that into lava. Then scoop out the contaminated lava and drop it into a singularity. Becase overkill is best kind of kill. Did I miss any steps? Oh, yeah: Play country music the whole time, to make it all more painful for the drives. -- Mark J. Blair http://www.nf6x.net/

Re: Fall cleaning - 9-track drives available

2018-09-22 Thread Mark J. Blair via cctalk
uses the same mechanism as my DEC TU81. My workshop is the exact same style of steel arch building as your hangar, but mine is a lot more full of junk than your hangar is! :D -- Mark J. Blair http://www.nf6x.net/

Re: Fall cleaning - 9-track drives available

2018-09-22 Thread Mark J. Blair via cctalk
I'm sure relieved that you didn't say "DEC TU77 drive" and "near Riverside, CA", because I lack spare cash, empty floor space, and impulse control! :) -- Mark J. Blair http://www.nf6x.net/

Re: Oddball Terminals (Was: Re: VT100's)

2018-09-07 Thread Mark J. Blair via cctalk
That’s it! The terminal I had was definitely the one in this picture: http://bitsavers.org/pdf/dec/terminal/vt02/vt02_1.jpg -- Mark J. Blair http://www.nf6x.net

Re: Oddball Terminals (Was: Re: VT100's)

2018-09-07 Thread Mark J. Blair via cctalk
Thanks for digging that up! I had never managed to google up any details before. -- Mark J. Blair http://www.nf6x.net

Re: Oddball Terminals (Was: Re: VT100's)

2018-09-07 Thread Mark J. Blair via cctalk
ipment external to the terminal? -- Mark J. Blair http://www.nf6x.net/

Oddball Terminals (Was: Re: VT100's)

2018-09-06 Thread Mark J. Blair via cctalk
a long, long time ago. Does that old beast sound remotely familiar to anybody here? How hard should I kick myself for not keeping it? -- Mark J. Blair, NF6X http://www.nf6x.net/

Re: Pdp 11/34 System for sale in Riverside,ca

2018-08-08 Thread Mark J. Blair via cctalk
sk drive. Looks like somebody got a good deal, with a closing price of $32. I hope the pickup goes smoothly this weekend. -- Mark J. Blair, NF6X http://www.nf6x.net/

Re: Pdp 11/34 System for sale in Riverside,ca

2018-08-02 Thread Mark J. Blair via cctalk
. -- Mark J. Blair, NF6X http://www.nf6x.net/

Re: Pdp 11/34 System for sale in Riverside,ca

2018-08-02 Thread Mark J. Blair via cctalk
It looks lovely, and I live just outside the Riverside city limits. I'm awfully short on both money and indoor storage space right now, though. :( -- Mark J. Blair, NF6X http://www.nf6x.net/

Re: Thicknet/10base5 Test Segment: The Cable is In!

2018-06-26 Thread Mark J. Blair via cctalk
in the cable. -- Mark J. Blair http://www.nf6x.net/

Re: CDC 6600 display character generation

2018-06-07 Thread Mark J. Blair via cctalk
burned me > after burning through the material of my slacks. This reminds me of every TV show and movie I've seen where consoles begin exploding on a space ship during a battle. All of this time, I thought that was entirely a Hollywood fabrication! -- Mark J. Blair, NF6X http://www.nf6x.net/

Re: Modifying microcode

2018-06-03 Thread Mark J. Blair via cctalk
ler to replace > the KLESI/U and RC25). Back around the early 1990s, a friend of mine had an 11/725 and an 11/730 in his apartment. One of then had a bad PROM chip, so he could only run one at a time. -- Mark J. Blair, NF6X http://www.nf6x.net/

Re: I ran across this strange modernistic? Data General ...odd?

2018-05-27 Thread Mark J. Blair via cctalk
> On May 26, 2018, at 9:38 AM, Bruce Ray via cctalk <cctalk@classiccmp.org> > wrote: > > And 'yes', Novas and its derivatives are still used today... That's news to me, and it sounds quite interesting. Would you mind elaborating on that? -- Mark J. Blair, NF6X &l

Re: (OT) Re: Is This A Shill?

2018-05-02 Thread Mark J. Blair via cctalk
ing nobody notices, but there would always be a window of up to N minutes for other bidders to decide to increase their losing bid. It would end up as a a hybrid of proxy bid + live auction. -- Mark J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/

Re: TRS-80 Fragmentation

2018-04-26 Thread Mark J. Blair via cctalk
> On Apr 26, 2018, at 14:25, Geoffrey Oltmans via cctalk > wrote: > > TRS-80 Model II and 16, 68k based "business" machines The Models II and 12 were Z80 based machines. The models 16 and 6000 were the same Z80 based machines with 68k subsystems added via additional

Re: Rick Dickinson, ZX Spectrum designer, RIP

2018-04-26 Thread Mark J. Blair via cctalk
computers which I’m also curious about, since they’re not so common over here in the US. -- Mark J. Blair <n...@nf6x.net> http://www.nf6x.net

Re: new disassembler vs IDA (was Re: 8085 Dissasembly?)

2018-04-19 Thread Mark J. Blair via cctalk
y years since I actually disassembled 1802 code > that I'm not sure I still have the disassembler around. Well, you're welcome to use dismantler on CDP1802 code! :) -- Mark J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/

Re: 8085 Dissasembly?

2018-04-18 Thread Mark J. Blair via cctalk
whether to use dismantler vs. learning how to add CDP1802 support to IDA. I'm leaning towards the latter, because IDA is so much fancier than dismantler is. -- Mark J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/

Software for AN/UGC-144 Communications Terminal?

2018-04-01 Thread Mark J. Blair via cctalk
as a dumb terminal for RTTY use, and even happier if I can do anything fancier with it. -- Mark J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/

Re: Identifying vacuum tube module

2018-03-25 Thread Mark J. Blair via cctalk
ed in some sort of teletype or facsimile equipment. -- Mark J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/

Re: IBM 6094-010 "Dials" protocol?

2018-03-25 Thread Mark J. Blair via cctalk
dard feature vs. something cobbled together locally. Good luck learning how to talk to it. I can think of a number of different applications in which a physical interface like that might be nice. -- Mark J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/

Re: WTB Intel 7110 Bubble Memory Subsystem or Chipset

2018-02-23 Thread Mark J. Blair via cctalk
were made. I don't even know yet whether they were truly fielded, or if they failed to be selected to fill the role that they were presumably competing for. -- Mark J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/

Re: WTB Intel 7110 Bubble Memory Subsystem or Chipset

2018-02-22 Thread Mark J. Blair via cctalk
eed module are in the BPK72 manual. I've seen those instructions. As I understand it, I may need to do that to restore a module to operation if it's lost its seed. But if that has happened to either of the two modules in my firmware cartridge already, then it's all over. -- Mark J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/

Re: A couple of RL02 questions

2018-01-28 Thread Mark J. Blair via cctalk
and removing the shipping hook, so I can set stuff (such as a terminal?) on top of the system and then slide out the drive to change packs. Good luck! -- Mark J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/

Re: ultrasonic cleaning for disk heads

2018-01-27 Thread Mark J. Blair via cctalk
that meant something to anybody on the list. I don't know anything about how to clean hard drive packs, and that's something I'd like to learn about. -- Mark J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/

Re:

2018-01-27 Thread Mark J. Blair via cctalk
> On Jan 27, 2018, at 10:23, Adrian Stoness via cctech <cct...@classiccmp.org> > wrote: > > ipa as in beer? Isopropyl alcohol. Not very good for drinking; even store-brand vodka in plastic jugs is less harsh. :) -- Mark J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/

Re: ultrasonic cleaning for disk heads

2018-01-27 Thread Mark J. Blair via cctalk
for it already. But since the RL02 drives use servo bursts on the media, do they require realignment after removing and replacing the heads? -- Mark J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/

Re: A walk through of my legendary warehouse sale in the 1990s.

2018-01-21 Thread Mark J. Blair via cctalk
> On Jan 20, 2018, at 18:26, Paxton Hoag via cctalk > wrote: > > This is a digitized HI8 tape of a walk through of an early Warehouse Sale I > ran from 1995 to 1998. There is a small sections of collectable computers > in the middle of the tape with a few others

Re: DECtape madness

2018-01-13 Thread Mark J. Blair via cctalk
> On Jan 13, 2018, at 08:52, Bill Gunshannon via cctalk > wrote: > > So, where were all these people when I was trying to clean out > my old house a couple years ago? I threw out piles of tapes of > various formats because I couldn't find anyone to take them for >

Re: QSIC update and request

2018-01-01 Thread Mark J. Blair via cctalk
This looks pretty interesting! I think I've managed to miss previous discussion of it. I wonder if it might also be useful in any of the QBUS MicroVAXen? -- Mark J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/

Re: Attaching SIMH devices without halting simulation?

2017-12-31 Thread Mark J. Blair via cctalk
gt; the user's guide). Ah, yes, I think that's what I did. -- Mark J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/

Re: Attaching SIMH devices without halting simulation?

2017-12-31 Thread Mark J. Blair via cctalk
hat's serving as a DECnet area router or a cluster disk server just to swap a tape or disk pack is not ideal. Anyway, the remote console feature appears to do exactly what I want. Yay! -- Mark J. Blair, NF6X <n...@nf6x.net <mailto:n...@nf6x.net>> http://www.nf6x.net/ <http://www.nf6x.net/>

Re: Attaching SIMH devices without halting simulation?

2017-12-31 Thread Mark J. Blair via cctalk
rs to work perfectly. I don't know what I did wrong when I tried that before. Thanks! -- Mark J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/

Re: Attaching SIMH devices without halting simulation?

2017-12-31 Thread Mark J. Blair via cctalk
machine they're being mounted on. -- Mark J. Blair, NF6X <n...@nf6x.net <mailto:n...@nf6x.net>> http://www.nf6x.net/ <http://www.nf6x.net/>

Attaching SIMH devices without halting simulation?

2017-12-31 Thread Mark J. Blair via cctalk
J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/

Re: Dec-10 Day announcement from Living Computers: Museum + Labs

2017-12-10 Thread Mark J. Blair via cctalk
/785 although we have not yet tested it in this configuration. If somebody would like to sell me a Massbus-equipped 780 or 785 system, I can test that out for y'all. :) -- Mark J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/

Re: WTB: HP-85 16k RAM Module and HPIB Floppy Drive

2017-11-15 Thread Mark J. Blair via cctalk
es from other collectors soonish. Has anybody gotten around to sharing CAD models for a 3D-printable PRM-85 case yet, or shall I get to work on that task? -- Mark J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/

Re: "Personal" Computers (Was: Details about IBM's early 'scientific' computers)

2017-11-15 Thread Mark J. Blair via cctalk
sibly apocryphal stories of computer users mistaking CD drive trays for coffee cup holders, I can't help but wonder if anybody has ever mistaken the metallic cartridge slot cavity of the Atari 400/800 for an ash tray with a flip-up lid. -- Mark J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/

Re: WTB: HP-85 16k RAM Module and HPIB Floppy Drive

2017-11-15 Thread Mark J. Blair via cctalk
I've also got a 9122C but I don't have the mass storage ROM so I can't use it > with my 85. Right now I'm using it with my 9000 series 300. I've just received my PRM-85, and it looks like I have leads on a couple of different floppy drives now. I'll be happy to share my experiences. -- Mark

Re: Drive capacity names (Was: WTB: HP-85 16k RAM Module and HPIB Floppy Drive

2017-11-15 Thread Mark J. Blair via cctalk
t may be, compatible media for those drives commonly has "HD" printed on the box and molded into the diskette's plastic jacket. It's a useful term for identifying the compatible media. -- Mark J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/

Re: WTB: HP-85 16k RAM Module and HPIB Floppy Drive

2017-11-15 Thread Mark J. Blair via cctalk
ia for machines like my Amigas and early Macs. -- Mark J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/

Re: WTB: HP-85 16k RAM Module and HPIB Floppy Drive

2017-11-15 Thread Mark J. Blair via cctalk
ect, which is, of course, the best kind of correct. Well, if we're being pedantic, then we might also refer to the drives by their unformatted capacity, as HP themselves sometimes did: https://pbs.twimg.com/media/DOr81HpVQAAn-X5.jpg That makes them 2-Mbyte drives. ;-) -- Mark J. Blair, N

Re: WTB: HP-85 16k RAM Module and HPIB Floppy Drive

2017-11-15 Thread Mark J. Blair via cctalk
> On Nov 14, 2017, at 10:57 PM, Ed Sharpe via cctalk <cctalk@classiccmp.org> > wrote: > > you have me real curious,as to what is in that padded hp case.. What are you referring to? -- Mark J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/

Re: WTB: HP-85 16k RAM Module and HPIB Floppy Drive

2017-11-14 Thread Mark J. Blair via cctalk
> On Nov 14, 2017, at 20:44, Ed Sharpe via cctalk wrote: > > remember too.. there were hpib 8 inch and 5 inch drives wish I had saved > some!!! Those would certainly interest me if I happen upon any at a price that I like. Same goes for an HPIB 9 track tape

Re: WTB: HP-85 16k RAM Module and HPIB Floppy Drive

2017-11-14 Thread Mark J. Blair via cctalk
> On Nov 14, 2017, at 20:33, Ed Sharpe via cctalk wrote: > > ok back in my day.. I do not think 85 adressed modern drive of 1.44 meg..? so > that was what I was going on.. yes if you can use 1.44 do so.. older new > media hard to find... I am still new to this HP-85

Re: WTB: HP-85 16k RAM Module and HPIB Floppy Drive

2017-11-14 Thread Mark J. Blair via cctalk
> On Nov 14, 2017, at 20:11, Ed Sharpe via cctalk wrote: > > wondervifcthec9122 drives,will work on 85? > I think I can guess what you meant to say there... :) I’ve ordered a PRM-85 (a modern reprogrammable ROM drawer replacement) which includes the HP-85B version of

Re: WTB: HP-85 16k RAM Module and HPIB Floppy Drive

2017-11-14 Thread Mark J. Blair via cctalk
> On Nov 14, 2017, at 7:24 PM, Ed Sharpe via cctalk <cctalk@classiccmp.org> > wrote: > > try 9121 drives!!!. ed! No, thanks. I'd like a 9122C drive. -- Mark J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/

Re: WTB: HP-85 16k RAM Module and HPIB Floppy Drive

2017-11-14 Thread Mark J. Blair via cctalk
locational thing can be solved if you're willing to pack and ship. Do you have any idea what might be wrong with the second drive? -- Mark J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/

Re: WTB: HP-85 16k RAM Module and HPIB Floppy Drive

2017-11-14 Thread Mark J. Blair via cctalk
ble IEEE-488 card for use with the HPDrive software. I'm curious about the open source hp85disk project, and might build hardware to work with it sometime. In any case, I'm interested in getting a 9122C drive. -- Mark J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/

WTB: HP-85 16k RAM Module and HPIB Floppy Drive

2017-11-14 Thread Mark J. Blair via cctalk
items available for swap or sale? I'm located in southern California. Those two items are at the top of my HP-85 want list, but I might also be interested in other related bits such as the 82940A GPIO Interface, other compatible HPIB mass storage, etc. -- Mark J. Blair, NF6X <n...@nf6x.n

Re: RL02 Spinup fails

2017-11-07 Thread Mark J. Blair via cctalk
> On Nov 6, 2017, at 10:21, Aaron Jackson via cctalk > wrote: > > I based my terminator off Mark > Blair's RL02 to USB project: > > https://github.com/NF6X/RL02-USB/blob/master/pcbs/RL02-USB-terminator/RL02-USB-terminator.pdf Hi there! Just one warning: My project

Re: Wanted: small composite CRT monitor

2017-08-22 Thread Mark J. Blair via cctalk
IIc. -- Mark J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/

Re: The Name of the disk (Was: Disk imaging with IMD - question

2017-08-10 Thread Mark J. Blair via cctalk
t, but that's on my growing "one of these days" list. The drives had internal controllers and brains, and connected to the computer over an RS-232 interface. -- Mark J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/

Re: Convex documentation online (C220 arrived)

2017-08-07 Thread Mark J. Blair via cctalk
able to get at least one Convex up and running > ConvexOS. That is really cool, and it sounds like you have all of your barn heating needs sorted out, too! -- Mark J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/

Re: Convex documentation online (C220 arrived)

2017-08-06 Thread Mark J. Blair via cctalk
for its designed purpose? :) -- Mark J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/

Re: Cipher F880 with S100 interface card on local CL

2017-07-10 Thread Mark J. Blair via cctalk
nd/or USB and/or network interface to get data and commands on and off, and driver stacks for all of that stuff. I could also get there with a Xilinx Zynq family device, but at 2x or more cost vs. a BeagleBone. -- Mark J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/

Re: tape baking

2017-07-06 Thread Mark J. Blair via cctalk
Data Products 2230 this weekend. Oooh, congratulations! I don't have a proper line printer yet, though I have a number of small dot matrix printers and I can print on wide greenbar with my LA120. I still hold out hope that I might find an LP32 someday to go with my 11/730. -- Mark J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/

Re: tape baking

2017-07-06 Thread Mark J. Blair via cctalk
ny of > them depend upon first-character FORTRAN carriage control. I have downloaded the archive. I'll need to see if I have anything sitting around that understands the carriage control, or else hack up a quick script to convert the files to plain line-delimited text. Thanks! -- Mark J.

Re: tape baking

2017-07-06 Thread Mark J. Blair via cctalk
r setup. Oh, it's on my get-around-to-it list. I'll start out experimenting with that random tape that has already shed a lot of oxide. If I can get it to load and rewind without sticking to the heads and rollers, then I'll know I have the parameters worked out. -- Mark J. Blair, N

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