Re: Opening RL02 disk pack

2018-12-09 Thread Christian Corti via cctalk
On Fri, 7 Dec 2018, Noel Chiappa wrote: > From>: Christian Corti > I thought that the DEC packs would be similar but no, DEC had to invent > something different... Huh? I thought RL0x drives use an IBM 5440 type pack (as used on the IBM Yes, I mean the mechanism of the handle that is

chasing down an old game

2018-12-09 Thread Dr Iain Maoileoin via cctalk
Many many years ago in a distant galaxy (called Strathclyde University Computer Science) we ran a game on the PDPs. It was great at testing out terminal line speed handing and debugging curses (well that is what we told the bosses). I remember the game as being called “search”. But since we ha

Re: Conferences/Exhibitions (Was: DECUS PDP-11 SPACE WAR?

2018-12-09 Thread Stefan Skoglund via cctalk
lör 2018-12-08 klockan 13:56 -0800 skrev Fred Cisin via cctalk: > > > CeBIT (Hanover Germany) was the largest. Started in 1970; ended? in > 2018. > Sorry, I have little or no information about it; I never got a chance > to go. Heinz Nixdorf died (heart failure) on the showroom floor in 1986.

Re: Interesting RK8E fault

2018-12-09 Thread Tony Duell via cctalk
On Sun, Dec 9, 2018 at 6:50 AM Josh Dersch via cctalk wrote: > If anyone has any insights into the inner workings of the RK8E (in > particular the CRC circuit, since it's used to compare the on-disk cylinder > address stored in the header with the cylinder selected by the RK8E's > address regist

Re: chasing down an old game

2018-12-09 Thread Kevin McQuiggin via cctalk
Might be the old “Star Trek” game? It is still around, I think. Sent from my iPad > On Dec 9, 2018, at 01:20, Dr Iain Maoileoin via cctalk > wrote: > > Many many years ago in a distant galaxy (called Strathclyde University > Computer Science) we ran a game on the > PDPs. It was great at tes

Re: Interesting RK8E fault

2018-12-09 Thread Tony Duell via cctalk
On Sun, Dec 9, 2018 at 6:50 AM Josh Dersch via cctalk wrote: > If anyone has any insights into the inner workings of the RK8E (in > particular the CRC circuit, since it's used to compare the on-disk cylinder > address stored in the header with the cylinder selected by the RK8E's > address registe

SUN SPARC station ELC

2018-12-09 Thread Guy Dunphy via cctalk
Checking out a SUN SPARC station ELC tonight. It powers up, passes self test. Boot fails because the CMOS RAM battery is dead, so it's lost boot config. That's no problem, it's an ST MK48T02B-25 'TIMEKEEPER RAM' 2K x 8, which is still available. Or I'll probably just cut open the tophat and connect

Re: SUN SPARC station ELC

2018-12-09 Thread systems_glitch via cctalk
Can't comment on the monitor, but I haven't had good luck with modern 48T02 devices and old Sun systems. Apparently ST changed something in how the clock section works, iirc it's timing related. Definitely rebuild your old NVRAMs! I've got a little repair board I made up for it: http://www.glitchw

Re: Conferences/Exhibitions (Was: DECUS PDP-11 SPACE WAR?

2018-12-09 Thread Adrian Stoness via cctalk
ouch that musta cause some chaos. On Sun, Dec 9, 2018 at 7:15 AM Stefan Skoglund via cctalk < cctalk@classiccmp.org> wrote: > lör 2018-12-08 klockan 13:56 -0800 skrev Fred Cisin via cctalk: > > > > > > CeBIT (Hanover Germany) was the largest. Started in 1970; ended? in > > 2018. > > Sorry, I ha

Re: Conferences/Exhibitions (Was: DECUS PDP-11 SPACE WAR?

2018-12-09 Thread Bill Degnan via cctalk
Fyi...i have a square bankers box of decus conference proceedings from the 70's. Are these otherwise available on the www?

Re: Conferences/Exhibitions (Was: DECUS PDP-11 SPACE WAR?

2018-12-09 Thread Al Kossow via cctalk
On 12/9/18 12:24 PM, Bill Degnan via cctalk wrote: > Fyi...i have a square bankers box of decus conference proceedings from the > 70's. Are these otherwise available on the www? > I haven't gotten to them yet. I have several decades of proceedings that I need to scan beyond the ones from the

Re: Conferences/Exhibitions (Was: DECUS PDP-11 SPACE WAR?

2018-12-09 Thread Al Kossow via cctalk
On 12/9/18 12:28 PM, Al Kossow via cctalk wrote: > > > On 12/9/18 12:24 PM, Bill Degnan via cctalk wrote: >> Fyi...i have a square bankers box of decus conference proceedings from the >> 70's. Are these otherwise available on the www? >> > > I haven't gotten to them yet. > I have several dec

CDC floppy disks on Ebay.

2018-12-09 Thread Mattis Lind via cctalk
Don't know if this worth saving. https://www.ebay.com/itm/283294561797 8 inch CDC disks from 1982. Maybe something interesting?

Re: CDC floppy disks on Ebay.

2018-12-09 Thread Warner Losh via cctalk
On Sun, Dec 9, 2018 at 2:41 PM Mattis Lind via cctalk wrote: > Don't know if this worth saving. https://www.ebay.com/itm/283294561797 > > 8 inch CDC disks from 1982. Maybe something interesting? > Like US launch codes? :) Doesn't the military still use 8" floppies for some operational systems th

Re: CDC floppy disks on Ebay.

2018-12-09 Thread Mattis Lind via cctalk
söndag 9 december 2018 skrev Warner Losh : > > > On Sun, Dec 9, 2018 at 2:41 PM Mattis Lind via cctalk < > cctalk@classiccmp.org> wrote: > >> Don't know if this worth saving. https://www.ebay.com/itm/283294561797 >> >> 8 inch CDC disks from 1982. Maybe something interesting? >> > > Like US launch

Re: Interesting RK8E fault

2018-12-09 Thread Josh Dersch via cctalk
On Sun, Dec 9, 2018 at 5:47 AM Tony Duell wrote: > On Sun, Dec 9, 2018 at 6:50 AM Josh Dersch via cctalk > wrote: > > > > If anyone has any insights into the inner workings of the RK8E (in > > particular the CRC circuit, since it's used to compare the on-disk > cylinder > > address stored in the

Re: CDC floppy disks on Ebay.

2018-12-09 Thread Adrian Graham via cctalk
> On 9 Dec 2018, at 21:40, Mattis Lind via cctalk wrote: > > Don't know if this worth saving. https://www.ebay.com/itm/283294561797 > > 8 inch CDC disks from 1982. Maybe something interesting? It might be just me, but those look like they’ve got great big holes cut in them? -- adrian/witc

Re: CDC floppy disks on Ebay.

2018-12-09 Thread Jon Elson via cctalk
On 12/09/2018 04:06 PM, Adrian Graham via cctalk wrote: On 9 Dec 2018, at 21:40, Mattis Lind via cctalk wrote: Don't know if this worth saving. https://www.ebay.com/itm/283294561797 8 inch CDC disks from 1982. Maybe something interesting? It might be just me, but those look like they’ve got

Re: CDC floppy disks on Ebay.

2018-12-09 Thread Adrian Stoness via cctalk
> > prolly worth rescueing

Re: CDC floppy disks on Ebay.

2018-12-09 Thread Al Kossow via cctalk
I will be bidding on these On 12/9/18 1:40 PM, Mattis Lind via cctalk wrote: > Don't know if this worth saving. https://www.ebay.com/itm/283294561797 > > 8 inch CDC disks from 1982. Maybe something interesting? >

Re: CDC floppy disks on Ebay.

2018-12-09 Thread Brent Hilpert via cctalk
On 2018-Dec-09, at 2:06 PM, Adrian Graham via cctalk wrote: >> On 9 Dec 2018, at 21:40, Mattis Lind via cctalk >> wrote: >> >> Don't know if this worth saving. https://www.ebay.com/itm/283294561797 >> >> 8 inch CDC disks from 1982. Maybe something interesting? > > It might be just me, but thos

Re: CDC floppy disks on Ebay.

2018-12-09 Thread Adrian Graham via cctalk
> On 9 Dec 2018, at 22:40, Brent Hilpert via cctalk > wrote: > > On 2018-Dec-09, at 2:06 PM, Adrian Graham via cctalk wrote: >>> On 9 Dec 2018, at 21:40, Mattis Lind via cctalk >>> wrote: >>> >>> Don't know if this worth saving. https://www.ebay.com/itm/283294561797 >>> >>> 8 inch CDC disk

Re: CDC floppy disks on Ebay.

2018-12-09 Thread Guy Dunphy via cctalk
At 02:29 PM 9/12/2018 -0800, you wrote: >I will be bidding on these I hope you get them. Cheaply. And if so, please let us know if the data was recoverable. I have some quite old floppies to someday get around to attempting to recover. Really curious to see whether floppies suffer 'data evaporatio

Re: CDC floppy disks on Ebay.

2018-12-09 Thread Fred Cisin via cctalk
At 02:29 PM 9/12/2018 -0800, Al wrote: I will be bidding on these On Mon, 10 Dec 2018, Guy Dunphy via cctalk wrote: I hope you get them. Cheaply. And if so, please let us know if the data was recoverable. I have some quite old floppies to someday get around to attempting to recover. Really curi

Re: CDC floppy disks on Ebay.

2018-12-09 Thread Adrian Stoness via cctalk
theres a make an offer thing on it why not just use that On Sun, Dec 9, 2018 at 5:24 PM Al Kossow via cctalk wrote: > I will be bidding on these > > On 12/9/18 1:40 PM, Mattis Lind via cctalk wrote: > > Don't know if this worth saving. https://www.ebay.com/itm/283294561797 > > > > 8 inch CDC dis

Re: CDC floppy disks on Ebay.

2018-12-09 Thread Fred Cisin via cctalk
On Sun, 9 Dec 2018, Adrian Stoness via cctalk wrote: theres a make an offer thing on it why not just use that Because a "make an offer" can carry some risks of OFFENDING the seller, if they had thought that the value was not in the same general range as your offer. Not much known history wit

Re: SunOS 2.4 Exploit

2018-12-09 Thread Ken Seefried via cctalk
I believe SunOS 2.4 is old enough all you need to do is delete the password hash from /etc/passwd to log in without a password. KJ

Re: CDC floppy disks on Ebay.

2018-12-09 Thread Chuck Guzis via cctalk
On 12/9/18 3:30 PM, Guy Dunphy via cctalk wrote: > FWIW, years ago a friend of mine found some important floppies of his had all > developped mold on the magnetic surfaces. Which fouled read heads, making them > useless. We found that slitting open the covers, taking out the disks and > literally

Re: chasing down an old game

2018-12-09 Thread Paul Anderson via cctalk
I had a version that played on the VT11. Still trying to find it. Paul On Sun, Dec 9, 2018 at 7:56 AM Kevin McQuiggin via cctalk < cctalk@classiccmp.org> wrote: > Might be the old “Star Trek” game? It is still around, I think. > > Sent from my iPad > > > On Dec 9, 2018, at 01:20, Dr Iain Maoile

PDP-8/e rebuild - update.

2018-12-09 Thread Rod G8DGR via cctalk
Went to toggle in the RIM loader – huh ! Memory address 04 stuck low. So either try another 4k core (after changing the jumpers) or... Trace the signal path. What do we think? Rod Sent from Mail for Windows 10