Re: M7264 Troubleshooting

2019-05-25 Thread Mister PDP via cctalk
Ok, small update. My M8043 (DLV11-J) just arrived today. It seemed in good condition so I confirmed it was set up correctly (9.6k baud and console on J3), built a serial cable from the information provided on gunkies, and put it into my system. Sadly, it behaves exactly how it did with the M8017.

Re: TU58FS

2019-05-25 Thread Jay Jaeger via cctalk
On 5/23/2019 10:07 PM, Rod Smallwood via cctalk wrote: > Hi > >     It does not have to be done using TU58. > > If you would be so kind as to explain the bit about SIMH and dd. > > What to do is good.. How even better. > > If I can get  a bootable OS image onto the SCSI drive with what I have

Re: IBM 1620 manuals

2019-05-25 Thread Dave Babcock via cctalk
Jon, The Computer History Museum (Mountain View, California) has the most extensive collection of IBM 1620 items - hardware, manuals, books, software, etc. - in the world.  Most of the items were collected a number of years ago when a team of volunteers restored the museum's IBM 1620 Model 1

Re: IBM 1620 manuals

2019-05-25 Thread Jon Elson via cctalk
On 05/13/2019 10:57 PM, Jon Elson via cctalk wrote: I just discovered a binder with 2 IBM 1620 manuals. A quick check shows bitsavers has these and newer editions of them. So, does anybody want : IBM 1620 Central Processing Unit, Model 2 (Form A26-5781-1) and IBM 1620 Monitor II System

RE: Damaged LTO tapes

2019-05-25 Thread Tom Gardner via cctalk
Based upon my interviews for the Computer History Museum of IBM personnel involved in the development of LTO and its medium, I'd expect it to be very difficult to damage an LTO tape See: https://www.computerhistory.org/collections/catalog/102738025 particularly sessions 1 and 5 Tom -Original

Re: Damaged LTO tapes

2019-05-25 Thread Zane Healy via cctalk
> On May 24, 2019, at 8:28 PM, Aaron Taylor wrote: > > On Fri, May 24, 2019 at 02:29:09PM -0700, Zane Healy via cctalk wrote: >> Anyone have any experience on how hard it is to damage an LTO tape. I mean >> damage them to the point they split at the seam. > > I've abused some LTO tapes

UNIVAC 422 material  acquisitions updates..

2019-05-25 Thread ED SHARPE via cctalk
UNIVAC 422 Training  Computer  material acquisitions updates.. - UNIVAC 422 Training  Computer program Instruction reference cards   -  (4 each)- Photograph  of  students  using one  in an educational environment (1 each)- Applications programs description sheets  fro  2  programs ( 1  each , 

9895A Flexible Disc Memory For Sale

2019-05-25 Thread MEBA via cctalk
I have an old floppy disk drive by Hewlett-Packard, their 9895A Flexible Disc Memory. We got this from an estate cleanout and I would like to sell it. It has been powered up and one bay door works when the button is pressed and the other doesn't. It is a large, very heavy machine. I have it on

Re: Raised Floors

2019-05-25 Thread Adrian Stoness via cctalk
> > acid water hah i work around ph 2.38 water liming it during the summer. > insane how fast it will eat steel out >

UNIVAC 422 material  acquisitions updates..

2019-05-25 Thread ED SHARPE via cctalk
UNIVAC 422 Training  Computer  material acquisitions updates.. - UNIVAC 422 Training  Computer program Instruction reference cards   -  (4 each)- Photograph  of  students  using one  in an educational environment (1 each)- Applications programs description sheets  fro  2  programs ( 1  each , 

Re: Raised Floors

2019-05-25 Thread Stefan Skoglund via cctalk
fre 2019-05-24 klockan 23:38 -0700 skrev Chuck Guzis via cctalk: > On 5/24/19 9:12 PM, Carlos E Murillo-Sanchez via cctalk wrote: > > > Sulfuric acid is hard to wash off; the amount that made it to the > > room > > must have been pretty small, otherwise people couldn't be allowed > > in. > >

Re: Raised Floors

2019-05-25 Thread Chuck Guzis via cctalk
On 5/24/19 9:12 PM, Carlos E Murillo-Sanchez via cctalk wrote: > Sulfuric acid is hard to wash off; the amount that made it to the room > must have been pretty small, otherwise people couldn't be allowed in.  > And, if it was bad enough to corrode boards, imagine what that would do > to your