Re: Vintage Computer Federation Swap Meet 11/7/2020

2020-11-05 Thread Bill Degnan via cctalk
> (And, the guy getting the sandwich had the better deal, IMHO > It's hard with mobile gmail to trim, but regardless I agree! Bill "meatball sandwitch" Degnan P.S. As a funny I asked for a meatball sandwitch in exchange for essentially giving away a vintage computer. It became a kind of an insid

Dec ultrix 32 reference books for sale

2020-11-05 Thread devin davison via cctalk
I have a bankers box worth of dec ultrix 32 reference manuals in grey dec binders. Im looking to sell the box of books for a few $ plus the cost of shipping. Hoping to find these books a good home. --Devin D.

Re: Dec ultrix 32 reference books for sale

2020-11-05 Thread Toby Thain via cctalk
On 2020-11-05 11:28 a.m., devin davison via cctalk wrote: > I have a bankers box worth of dec ultrix 32 reference manuals in grey dec > binders. Im looking to sell the box of books for a few $ plus the cost of > shipping. > > Hoping to find these books a good home. > > --Devin D. Please indicate

Floppy disk: one drive per face

2020-11-05 Thread Enrico email.it via cctalk
We are trying to read some floppy disk used on a 1981 Italian Z80 machine with CP / M. The problem is that the firmware selects face A of the floppy as DRIVE A and face B of the same floppy as Drive B. We saved an image with IMD and we know that the geometry of face A is IBM 3740 26x128x77 tr

Re: Floppy disk: one drive per face

2020-11-05 Thread ben via cctalk
On 11/5/2020 12:04 PM, Enrico email.it via cctalk wrote: We are trying to read some floppy disk used on a 1981 Italian Z80 machine with CP / M. The problem is that the firmware selects face A of the floppy as DRIVE A and face B of the same floppy as Drive B. We saved an image with IMD and we k

Systems Engineering Laboratories - SEL History

2020-11-05 Thread Eric Moore via cctalk
Hello, I have pulled together a website with links to resources and information on SEL, or Systems Engineering Laboratories. http://mnembler.com SEL was a computer manufacturer in the 60s and 70s which later was acquired by Gould and then Encore. They made many major innovations and were instrume

Re: Floppy disk: one drive per face

2020-11-05 Thread Chuck Guzis via cctalk
On 11/5/20 11:31 AM, ben via cctalk wrote: >> Inserting Side 2 in the definition table is not enough >> >> Thanks Enrico - Pisa- Italy > > This local guy might know. > http://www.ummr.altervista.org/ > A good view of computer history, from the land of pasta. > Ben. Don't know who that guy

Re: Floppy disk: one drive per face

2020-11-05 Thread Bill Gunshannon via cctalk
On 11/5/20 2:31 PM, ben via cctalk wrote: On 11/5/2020 12:04 PM, Enrico email.it via cctalk wrote: We are trying to read some floppy disk used on a 1981 Italian Z80 machine with CP / M. The problem is that the firmware selects face A of the floppy as DRIVE A and face B of the same floppy as

Re: Floppy disk: one drive per face

2020-11-05 Thread Fred Cisin via cctalk
On Thu, 5 Nov 2020, Enrico email.it via cctalk wrote: We are trying to read some floppy disk used on a 1981 Italian Z80 machine with CP / M. The problem is that the firmware selects face A of the floppy as DRIVE A and face B of the same floppy as Drive B. We saved an image with IMD and we know th

R: Floppy disk: one drive per face

2020-11-05 Thread Enrico email.it via cctalk
About 5,25" diskettes it seems that its geometry could be based on 128byte for sector so using FM recording way and 40 tracks for side it could have 18 sectors for track. If I try to format in this way a disk with 22disk program I instead get 16 sectors for track. Having doubt on this we gone back

Re: Vintage Computer Federation Swap Meet 11/7/2020

2020-11-05 Thread Stan Sieler via cctalk
I like it! thanks! On Thu, Nov 5, 2020 at 4:39 AM Bill Degnan wrote: > > (And, the guy getting the sandwich had the better deal, IMHO >> > > It's hard with mobile gmail to trim, but regardless I agree! > > Bill "meatball sandwitch" Degnan > > P.S. As a funny I asked for a meatball sandwitch in