Re: First VAX-11/730 VMS Boot! (was: Re: VAX-11/730 %BOOT-F-Unexpected Machine Check)

2015-06-12 Thread Mark J. Blair
I don't remember exactly what I have, but the binders that came with my system might include an R80 manual (to be scanned, of course!). -- Mark J. Blair, NF6X n...@nf6x.net http://www.nf6x.net/

Re: First VAX-11/730 VMS Boot! Now about VMS distros

2015-06-12 Thread Mark J. Blair
On Jun 12, 2015, at 08:48, Richard Loken richar...@admin.athabascau.ca wrote: On Thu, 11 Jun 2015, Mark J. Blair wrote: Eventually, I'd like to run an older version of VMS than 7.3 on it. Preferably, something contemporary to when the 11/730 was still sold, or Gday Mark, it has been

Re: First VAX-11/730 VMS Boot! (was: Re: VAX-11/730 %BOOT-F-Unexpected Machine Check)

2015-06-12 Thread Mark J. Blair
... Modern software running on a 730... I don't know if I'll live long enough to wait for it to launch! :) -- Mark J. Blair, NF6X n...@nf6x.net http://www.nf6x.net/

Re: First VAX-11/730 VMS Boot! (was: Re: VAX-11/730 %BOOT-F-Unexpected Machine Check)

2015-06-12 Thread Mark J. Blair
is PIKE. Sure glad my iPhone boots more quietly. VMS use not authorized on this node. I sure hope it won't enforce that before I can try a backup! Finally! A login prompt! And no clue about the passwords. Uh, how can I shut this beast down without a valid login? !? Great. :) -- Mark J. Blair

Pertec Tape Drive Interface Musings

2015-06-10 Thread Mark J. Blair
daydreaming about how to build a tape drive interface controller, and I wonder whether it might need to potentially stream an entire tape in one go vs. being able to safely assume some maximal block size. -- Mark J. Blair, NF6X n...@nf6x.net http://www.nf6x.net/

Re: Blue tape retainers

2015-06-10 Thread Mark J. Blair
, that memory has snuck away in the night. -- Mark J. Blair, NF6X n...@nf6x.net http://www.nf6x.net/

Re: Pertec Tape Drive Interface Musings

2015-06-10 Thread Mark J. Blair
On Jun 10, 2015, at 08:46, Al Kossow a...@bitsavers.org wrote: On 6/10/15 8:15 AM, Mark J. Blair wrote: And that is precisely why I'm thinking of an ad-hoc interface rather than just plugging a SCSI drive into a UNIX box. It also has the advantage that you can return the CRC/checksum

Re: WTB /WTT DEC TZ30 and/or 1/2 open reel SCSI magtape drives

2015-06-10 Thread Mark J. Blair
Update: TZ30 located and ordered. And now I'm thinking that I ought to build a custom Pertec interface (as is being discussed in another thread) that's particularly suited for archival work, though I might still be interested in a SCSI magtape drive or SCSI/Pertec adapter anyway. -- Mark J

Re: VAX-11/730 %BOOT-F-Unexpected Machine Check

2015-06-09 Thread Mark J. Blair
On Jun 8, 2015, at 07:05, Mike Ross tmfdm...@gmail.com wrote: On Mon, Jun 8, 2015 at 7:05 AM, Mark J. Blair n...@nf6x.net wrote: I finally got the excellent AK6DN tu58em emulator working as my VAX-11/730's console drive, as discussed on VCF. Could you throw me a link to that please? I

Re: Blue tape retainers

2015-06-09 Thread Mark J. Blair
promising. It would probably be easy to slice into neat strips with one of those circular-blad paper cutters from the local office supply store. -- Mark J. Blair, NF6X n...@nf6x.net http://www.nf6x.net/

Re: WTB /WTT DEC TZ30 and/or 1/2 open reel SCSI magtape drives

2015-06-09 Thread Mark J. Blair
. -- Mark J. Blair, NF6X n...@nf6x.net http://www.nf6x.net/

Re: WTB /WTT DEC TZ30 and/or 1/2 open reel SCSI magtape drives

2015-06-09 Thread Mark J. Blair
high, I have a friend in Santa Paula who might be able to help picking up something from them in Ventura and stashing it until next time we find ourselves in the same place. -- Mark J. Blair, NF6X n...@nf6x.net http://www.nf6x.net/

Re: WTB /WTT DEC TZ30 and/or 1/2 open reel SCSI magtape drives

2015-06-09 Thread Mark J. Blair
making something like that myself, but I have so many such ideas that I am happy to let other folks make some of them for me. :) -- Mark J. Blair, NF6X n...@nf6x.net http://www.nf6x.net/

Re: WTB /WTT DEC TZ30 and/or 1/2 open reel SCSI magtape drives

2015-06-09 Thread Mark J. Blair
Oh, and furthermore, I'm much more comfortable in a UNIX environment than anything PC/DOS/Windows. Linux is fine, but I would expect pain getting drivers for some random Pertec card. So, PC platforms that might accept a Pertec card aren't my preferred environment. -- Mark J. Blair, NF6X n

Re: Blue tape retainers

2015-06-09 Thread Mark J. Blair
On Jun 9, 2015, at 22:20 , Chuck Guzis ccl...@sydex.com wrote: On 06/09/2015 09:57 PM, Mark J. Blair wrote: Please forgive my ignorance, but which variety are the Wright Line seals? I think I've encountered three styles of magtape widgets: The common white plastic with a black buckle

Re: WTB /WTT DEC TZ30 and/or 1/2 open reel SCSI magtape drives

2015-06-09 Thread Mark J. Blair
hoping to find a TZ30 drive. -- Mark J. Blair, NF6X n...@nf6x.net http://www.nf6x.net/

VMS EXCHANGE format for VAX console media

2015-06-07 Thread Mark J. Blair
is the same console tape version as my unreadable real tapes, and newer than the other downloaded image that I'm presently trying to use, so it would be nice to be able to get it into a format that I can use directly. Thanks in advance for any clues! -- Mark J. Blair, NF6X n...@nf6x.net http

Re: Omnibus pcb layout. Was: pdp8/e /f /m Omnibus legenda available

2015-06-07 Thread Mark J. Blair
cool! -- Mark J. Blair, NF6X n...@nf6x.net http://www.nf6x.net/

VAX-11/730 %BOOT-F-Unexpected Machine Check

2015-06-07 Thread Mark J. Blair
it. I still have a lot of learning curve to climb, but I'm excited to have made more progress. -- Mark J. Blair, NF6X n...@nf6x.net http://www.nf6x.net/

Re: VAX-11/730 %BOOT-F-Unexpected Machine Check

2015-06-07 Thread Mark J. Blair
! -- Mark J. Blair, NF6X n...@nf6x.net http://www.nf6x.net/

Re: Holy mother of pearl. 25000 for an 026

2015-06-06 Thread Mark J. Blair
items like these, the bidding results will depend on whether there are two potential buyers close enough to pick up the item. End result might be no bids, one minimum bid, or a thousand+ bucks, depending. -- Mark J. Blair, NF6X n...@nf6x.net http://www.nf6x.net/

Re: pdp8/e /f /m Omnibus legenda available

2015-06-05 Thread Mark J. Blair
On Jun 5, 2015, at 14:31 , Simon Claessen sim...@dds.nl wrote: link: https://hack42.nl/wiki/Bestand:Omnibus_legenda.pdf Nice work! -- Mark J. Blair, NF6X n...@nf6x.net http://www.nf6x.net/

Re: Holy mother of pearl. 25000 for an 026

2015-06-05 Thread Mark J. Blair
I think I'd enjoy having an 029 if the right one appeared at the right cost and location. But I think I could get by with an 026 for $9! :) I have zero experience with keypunch machines and zero practical use for one... but I think it would be fun anyway. -- Mark J. Blair, NF6X n...@nf6x.net

Re: 8-bit Computer TV Channel Use

2015-06-02 Thread Mark J. Blair
... figuring that out is the fun part for me. -- Mark J. Blair, NF6X n...@nf6x.net http://www.nf6x.net/

Re: 8-bit Computer TV Channel Use

2015-06-01 Thread Mark J. Blair
hitting the reset button until the colors weren't swapped. -- Mark J. Blair, NF6X n...@nf6x.net http://www.nf6x.net/

Re: 8-bit Computer TV Channel Use

2015-06-01 Thread Mark J. Blair
of. Hmm, I should be able to try it out with a Commodore 1080 monitor. -- Mark J. Blair, NF6X n...@nf6x.net http://www.nf6x.net/

Re: 8-bit Computer TV Channel Use

2015-06-01 Thread Mark J. Blair
. Most of the functionality appears to be in a single QFP, probably with a central ground/heat slug based on the vias on the bottom side of the board. The top of the chip appears to have been sanded to remove the markings. -- Mark J. Blair, NF6X n...@nf6x.net http://www.nf6x.net/

Re: 8-bit Computer TV Channel Use

2015-05-26 Thread Mark J. Blair
good project deserves a good project name. I'm tentatively calling this one Crazy Cat Lady. It has a nice ring to it. -- Mark J. Blair, NF6X n...@nf6x.net http://www.nf6x.net/

Re: 8-bit Computer TV Channel Use

2015-05-23 Thread Mark J. Blair
On May 23, 2015, at 10:28, Steven Hirsch snhir...@gmail.com wrote: On Sat, 23 May 2015, Chris Osborn wrote: On May 23, 2015, at 8:24 AM, Mark J. Blair n...@nf6x.net wrote: In the middle will be some FPGA to perform any necessary magic. I've been looking at a prohibitively expensive

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