Re: Password reset for ~1998 AIX on RS/6000?

2018-02-02 Thread Grant Taylor via cctalk
On 02/02/2018 06:26 PM, Tapley, Mark via cctalk wrote: thanks most kindly to all! It is rare in this hobby that I can report that things went perfectly the first time, but this is one of those times. I have reset the root password and logged in successfully, and the machine appears to be

Re: Password reset for ~1998 AIX on RS/6000?

2018-02-02 Thread Tapley, Mark via cctalk
On Feb 2, 2018, at 2:49 PM, Ian Finder via cctalk wrote: > I had this experience with a Tadpole N40, running AIX 3. > > I simply DD'ed the drive, took the image... > $ strings aix-machine.img | grep root: > ...to get the password line. > > Dump that into a passwd file

Re: Tangent: Interest Check: Belden Thicknet 10base5 Ethernet Coax

2018-02-02 Thread Chuck Guzis via cctalk
On 02/02/2018 03:13 PM, Fred Cisin via cctalk wrote: >> they might have different ground systems. If so, grounding both ends >> might produce a LARGE current through the cable, possibly enough to be >> hazardous. > > OB_Ignorant_Question:  Is that the reason why RS232 DB25 has both pin 1 > and

Re: Tangent: Interest Check: Belden Thicknet 10base5 Ethernet Coax

2018-02-02 Thread Paul Berger via cctalk
On 2018-02-02 7:13 PM, Fred Cisin via cctalk wrote: they might have different ground systems. If so, grounding both ends might produce a LARGE current through the cable, possibly enough to be hazardous. OB_Ignorant_Question:  Is that the reason why RS232 DB25 has both pin 1 and pin 7? Pin

Tangent: Interest Check: Belden Thicknet 10base5 Ethernet Coax

2018-02-02 Thread Fred Cisin via cctalk
they might have different ground systems. If so, grounding both ends might produce a LARGE current through the cable, possibly enough to be hazardous. OB_Ignorant_Question: Is that the reason why RS232 DB25 has both pin 1 and pin 7?

Re: Interest Check: Belden Thicknet 10base5 Ethernet Coax

2018-02-02 Thread Ethan Dicks via cctalk
On Tue, Jan 30, 2018 at 7:06 PM, systems_glitch via cctalk wrote: > Full disclosure on price: right now if I buy one spool, it'll be $0.60/foot > to me, I was thinking I'd charge $1/foot for moderate lengths, of course > I'm willing to make a deal on bulk purchases,

Re: Interest Check: Belden Thicknet 10base5 Ethernet Coax

2018-02-02 Thread Grant Taylor via cctalk
On 02/02/2018 03:50 PM, Paul Koning via cctalk wrote: Yes, exactly. And if the cable crosses between buildings, which at least for 10Base5 is plausible, they might have different ground systems. If so, grounding both ends might produce a LARGE current through the cable, possibly enough to be

Re: Interest Check: Belden Thicknet 10base5 Ethernet Coax

2018-02-02 Thread Ethan Dicks via cctalk
On Fri, Feb 2, 2018 at 4:35 PM, Tony Aiuto via cctalk wrote: > Interesting. Count me in for 20'. I would want to pick up at VCF east. > > These people have taps, but no transceivers. > https://www.connectorpeople.com/Connector/TYCO-AMP-TE_CONNECTIVITY/2/228752-1 Handy! I

Re: Interest Check: Belden Thicknet 10base5 Ethernet Coax

2018-02-02 Thread Paul Koning via cctalk
> On Feb 2, 2018, at 5:22 PM, Grant Taylor via cctalk > wrote: > > On 02/02/2018 03:10 PM, Paul Koning via cctalk wrote: >> More precisely: ground the cable at exactly one point. Any point will do, >> but it must be grounded (because none of the taps provide a

Re: Interest Check: Belden Thicknet 10base5 Ethernet Coax

2018-02-02 Thread Grant Taylor via cctalk
On 02/02/2018 03:10 PM, Paul Koning via cctalk wrote: More precisely: ground the cable at exactly one point. Any point will do, but it must be grounded (because none of the taps provide a ground). Why is that? Is it in an attempt to avoid current loops / sneak current paths? I thought the

Re: Interest Check: Belden Thicknet 10base5 Ethernet Coax

2018-02-02 Thread Paul Koning via cctalk
On Feb 2, 2018, at 5:08 PM, Bill Gunshannon via cctalk wrote: > > ... Just remember, > never ground both ends. :-) More precisely: ground the cable at exactly one point. Any point will do, but it must be grounded (because none of the taps provide a ground).

Re: Interest Check: Belden Thicknet 10base5 Ethernet Coax

2018-02-02 Thread Bill Gunshannon via cctalk
On 02/02/2018 04:51 PM, Paul Koning via cctalk wrote: > >> On Feb 2, 2018, at 4:35 PM, Tony Aiuto via cctalk >> wrote: >> >> Interesting. Count me in for 20'. I would want to pick up at VCF east. >> >> These people have taps, but no transceivers. >>

Re: Interest Check: Belden Thicknet 10base5 Ethernet Coax

2018-02-02 Thread Paul Koning via cctalk
> On Feb 2, 2018, at 4:35 PM, Tony Aiuto via cctalk > wrote: > > Interesting. Count me in for 20'. I would want to pick up at VCF east. > > These people have taps, but no transceivers. > https://www.connectorpeople.com/Connector/TYCO-AMP-TE_CONNECTIVITY/2/228752-1 > >

Re: Interest Check: Belden Thicknet 10base5 Ethernet Coax

2018-02-02 Thread Tony Aiuto via cctalk
Interesting. Count me in for 20'. I would want to pick up at VCF east. These people have taps, but no transceivers. https://www.connectorpeople.com/Connector/TYCO-AMP-TE_CONNECTIVITY/2/228752-1 Has anyone found the right terminators? On Tue, Jan 30, 2018 at 7:55 PM, systems_glitch via cctalk

Re: VMS 8.4 Alpha Hobbyist disk images

2018-02-02 Thread Mark Wickens via cctalk
https://cdburnerxp.se/en/home CDBurnerXP is the one to use - as recommended by Stephen Hoffman himself. Mark. On 2 February 2018 at 20:07, Robert Adamson via cctech < cct...@classiccmp.org> wrote: > > Date: Thu, 1 Feb 2018 12:55:41 -0500 > > From: Douglas Taylor > >

RE: VMS 8.4 Alpha Hobbyist disk images

2018-02-02 Thread Robert Adamson via cctalk
> Date: Thu, 1 Feb 2018 12:55:41 -0500 > From: Douglas Taylor > To: "General Discussion: On-Topic Posts" > Subject: VMS 8.4 Alpha Hobbyist disk images > Message-ID: <92b4de6a-b537-4bfb-a1fd-1ebe8133f...@comcast.net> > Content-Type: text/plain;

Re: Password reset for ~1998 AIX on RS/6000?

2018-02-02 Thread Ian Finder via cctalk
I had this experience with a Tadpole N40, running AIX 3. I simply DD'ed the drive, took the image... $ strings aix-machine.img | grep root: ...to get the password line. Dump that into a passwd file and run john (the password cracker utility) on it for a couple days. I don't think Linux can

Re: VMS 8.4 Alpha Hobbyist disk images

2018-02-02 Thread Douglas Taylor via cctalk
In my excitement about getting a new machine to play with I forgot what I had done previously with these iso images.  That is, I used linux to dd them onto SD cards attached to SCSI2SD drive emulators. Geez, a few months go by and I forget everything. BTW, I looked at imgburn.  When I

Re: IBM 9331-011 8" External Floppy Drive - eBay 183038271095

2018-02-02 Thread Eric Smith via cctalk
On Thu, Feb 1, 2018 at 7:04 PM, Chuck Guzis via cctalk < cctalk@classiccmp.org> wrote: > Much to my surprise, a P3 Intel i820 (that's the one with RDRAM) FIC > board not only handles FM, but 128-byte sector MFM. > Well, great, but then what do you do when you want to read and write 80 (decimal)

Re: MACSYMA classic

2018-02-02 Thread Lars Brinkhoff via cctalk
Warner Losh wrote: > What relationship is there between this, the 1982 DOE version and the > current GPL'd version available here > https://sourceforge.net/p/maxima/code/ci/master/tree/ ? The original Macsyma was developed at MIT. I think the LCG group at Project MAC? It was written in Maclisp.

Re: MACSYMA classic

2018-02-02 Thread Lars Brinkhoff via cctalk
Noel Chiappa wrote: >> Right, we haven't found sources for everything in Macsyma. > Ow. How much, very roughly, is missing (if you happen to know) - 5%, 50%? I'm not sure, but Eric would know. For now, notes on his progress are here: https://github.com/PDP-10/its/issues/284

Re: MACSYMA classic

2018-02-02 Thread Warner Losh via cctalk
On Fri, Feb 2, 2018 at 7:34 AM, Noel Chiappa via cctalk < cctalk@classiccmp.org> wrote: > > From: Lars Brinkhoff > > > Right, we haven't found sources for everything in Macsyma. > > Ow. How much, very roughly, is missing (if you happen to know) - 5%, 50%? > > > I'd say we're lucky to

Re: MACSYMA classic

2018-02-02 Thread Noel Chiappa via cctalk
> From: Lars Brinkhoff > Right, we haven't found sources for everything in Macsyma. Ow. How much, very roughly, is missing (if you happen to know) - 5%, 50%? > I'd say we're lucky to have it running at all Good point! Noel