Re: Decoding kryoflux stream for HP9895A

2016-09-21 Thread Christian Corti
On Tue, 20 Sep 2016, Eric Smith wrote: On Tue, Sep 20, 2016 at 7:42 AM, Denise de Vries wrote: Does anyone know of documentation for the HP9895A format with its own M2FM encoding? I have a kryoflux preservation stream but so far can make no sense of it. I've successfully decoded Intel M2FM d

DEC F-11 (Fonz) processor ceramic chip carriers (PDP-11) on eBay

2016-09-21 Thread Scott Baker
http://www.ebay.com/itm/191974796676?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649

Re: DEC F-11 (Fonz) processor ceramic chip carriers (PDP-11) on eBay

2016-09-21 Thread Paul Koning
> On Sep 21, 2016, at 1:35 AM, Scott Baker wrote: > > http://www.ebay.com/itm/191974796676?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649 It says "FOR F-11" and that seems plausible judging by the label on the box (KEF-11) shown in one of the photos. That would make it a floating point

Re: DEC F-11 (Fonz) processor ceramic chip carriers (PDP-11) on eBay

2016-09-21 Thread Douglas Taylor
On 9/21/2016 1:35 AM, Scott Baker wrote: http://www.ebay.com/itm/191974796676?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649 I recognize the box. A long time ago I purchased the KEV11 floating point chip for the 11/2 processor and it came in a box exactly like that one.

Re: Decoding kryoflux stream for HP9895A

2016-09-21 Thread Al Kossow
On 9/20/16 11:59 PM, Christian Corti wrote: > Here's a rough sketchup of what my decoder does: > > - Find the sync pattern (several 0x55) > - Swap the bits in each byte (i.e. MSB<-->LSB) > - Look for an address mark (clock pattern always 0x0E) > - 0x70: ID address mark > Calculate CRC16 (

RE: Decoding kryoflux stream for HP9895A

2016-09-21 Thread tony duell
[HP9895 format deleted] > I wonder if this is the same format the Amigo used? Which was the Amigo? FWIW every 5.25" and 3.5" HP drive unit that I've seen (and the internal drives on the 9826 and 9836) use a Western Digital or compatible disk controller chip. The low-level format (sync bytes, he

Re: Decoding kryoflux stream for HP9895A

2016-09-21 Thread Al Kossow
HP300 On 9/21/16 10:24 AM, tony duell wrote: > [HP9895 format deleted] > >> I wonder if this is the same format the Amigo used? > > Which was the Amigo? > > FWIW every 5.25" and 3.5" HP drive unit that I've seen (and the > internal drives on the 9826 and 9836) use a Western Digital or > compat

Re: DEC F-11 (Fonz) processor ceramic chip carriers (PDP-11) on eBay

2016-09-21 Thread Pete Turnbull
On 21/09/2016 15:15, Paul Koning wrote: On Sep 21, 2016, at 1:35 AM, Scott Baker wrote: http://www.ebay.com/itm/191974796676?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649 It says "FOR F-11" and that seems plausible judging by the label on the box (KEF-11) shown in one of the photos

Hazeltine Esprit III manual

2016-09-21 Thread Al Kossow
Just noticed this. Did anyone on the list buy it? http://www.ebay.com/itm/221674855740

Tektronix 4051 repair.

2016-09-21 Thread Mattis Lind
I took a look at the Tektronix 4051 that we got a few years back. After checking the PSU I turned it on and it seemed to start up fine. The machine responded well to the keypresses but it was hardly readable on the screen. Anyone that can give advice on what is wrong and how to deal with it. The t

DEC TC11 maindec listings?

2016-09-21 Thread Mattis Lind
I have been looking for TC11 maindec listings in the usual places, but didn't find any. I think they should be named ZTCA, ZTCB, ZTCC, ZTCD and ZTCE. Does anyone know of an online location or happen to have an offline paper original? /Mattis

ISO: VAXBI hardware

2016-09-21 Thread Josh Dersch
Hi all -- I have a VAX 8250 I'm bringing up and I'd like to track down an Ethernet adapter, this would be the T1034 (DEBNT). There are a few on eBay, but none include the cabling and bulkhead, which would be nice to have. I'm also looking for a T1010 (BI to Unibus adapter), as the one in my syst

Re: ISO: VAXBI hardware

2016-09-21 Thread Ethan Dicks
On Wed, Sep 21, 2016 at 3:48 PM, Josh Dersch wrote: > Hi all -- > > I have a VAX 8250 I'm bringing up and I'd like to track down an Ethernet > adapter, this would be the T1034 (DEBNT). There are a few on eBay, but > none include the cabling and bulkhead, which would be nice to have. I think I ca

Re: Decoding kryoflux stream for HP9895A

2016-09-21 Thread Eric Smith
On Wed, Sep 21, 2016 at 11:19 AM, Al Kossow wrote: > I wonder if this is the same format the Amigo used? The Amigo used the 7902A floppy drive, which supports the same formats as the 9895A. This includes HP M2FM, single or double-sided, and IBM 3740 FM single-sided single-density.

Re: Decoding kryoflux stream for HP9895A

2016-09-21 Thread Eric Smith
On Wed, Sep 21, 2016 at 12:59 AM, Christian Corti wrote: > I've already written a decoder for the HP 9885/9895 format. Denise already > sent me his image, but I haven't had the time to try decoding it yet... I'd still like to get a 9885/9895/7902 M2FM flux-transition disk image, if anyone has one

Free manuals...

2016-09-21 Thread Lyle Bickley
I'm cleaning out my library of manuals and books I no longer need and before I recycle these particular IBM manuals, I thought someone on cctalk might find them useful. They are free for the shipping and packaging cost - local pickup gets priority ;) 1) "RS/6000 Diagnostic Information for Multiple

Re: Tektronix 4051 repair.

2016-09-21 Thread Jon Elson
On 09/21/2016 02:07 PM, Mattis Lind wrote: I took a look at the Tektronix 4051 that we got a few years back. After checking the PSU I turned it on and it seemed to start up fine. The machine responded well to the keypresses but it was hardly readable on the screen. Anyone that can give advice on

Re: Free manuals...

2016-09-21 Thread Lee Courtney
HI Lyle - do scans exist of these that either already reside at Bitsavers or can in the future? Cheers - Lee C. On Wed, Sep 21, 2016 at 4:45 PM, Lyle Bickley wrote: > I'm cleaning out my library of manuals and books I no longer need and > before I recycle these particular IBM manuals, I thought

Re: ISO: VAXBI hardware

2016-09-21 Thread Ian S. King
I'll look in my stash - for sure no VAXBI SCSI boards :-) I may have some spare DSSI boards, though, as well as a T1010. It's just a matter of finding them On Wed, Sep 21, 2016 at 1:03 PM, Ethan Dicks wrote: > On Wed, Sep 21, 2016 at 3:48 PM, Josh Dersch wrote: > > Hi all -- > > > > I hav

DEC 3000 Model 400 Alpha Workstation

2016-09-21 Thread Richard Loken
Gentlemen, I was rooting through the morgue this morning looking for a cable to revive my AlphaServer 4100 when I stumbled over my long moribund DEC 3000. This machine was retired because some of the memory failed and, although it is too large and heavy to ship, there are a lot of parts and ac

Re: ISO: VAXBI hardware

2016-09-21 Thread Josh Dersch
On 9/21/16 1:03 PM, Ethan Dicks wrote: On Wed, Sep 21, 2016 at 3:48 PM, Josh Dersch wrote: Hi all -- I have a VAX 8250 I'm bringing up and I'd like to track down an Ethernet adapter, this would be the T1034 (DEBNT). There are a few on eBay, but none include the cabling and bulkhead, which wo

Re: Tektronix 4051 repair.

2016-09-21 Thread Pete Lancashire
They look pretty bright to me for a DVST screen. Your problem looks 'analog', check the character blanking is working, then check the digital to analog, deflection etc. When you hit the erase what happens ? -pete On Wed, Sep 21, 2016 at 12:07 PM, Mattis Lind wrote: > I took a look at the Tektr

Third release of the HP 3000 Series III simulator

2016-09-21 Thread J. David Bryan
The third release of the HP 3000 Series III simulator is now available from the Computer History Simulation Project (SIMH) site: https://github.com/simh/simh This release adds the cold dump facility. Entering the DUMP command simulates pressing the ENABLE and DUMP front panel buttons. The c

Re: Tektronix 4051 repair.

2016-09-21 Thread Mattis Lind
2016-09-21 22:27 GMT+02:00 Pete Lancashire : > They look pretty bright to me for a DVST screen. Your problem looks > 'analog', check the character blanking is working, then check the digital > to analog, deflection etc. > I also think it is a analog problem. But since I don't understand how it wo