Groups | Search | Server Info | Login | Register

Groups > comp.sys.apollo > #97

Re: Booting an Apollo with the external scsi connection

Show all headers | View raw

On Tuesday, March 20, 2012 12:48:52 PM UTC-7, Lothar Paltins wrote:
> Hi Vincenzo,
> 
> > But connectors seems too big for the small holes in the back of ATR cards
> 
> you need a 7W2 male D-Type connector with 2 coaxial contacts. I've also
> planned to make an additional adapter and found the needed parts at
> www.reichelt.de:
> 
> Artikelnummer Bezeichnung                          Anzahl  Euro
> ---------------------------------------------------------------
> MIX-STG CO    D-SUB-Einzelkon., Koax, Stecker, 50 O     2  5,80
> MIX-STG 7W2   D-SUB-Koax Stecker f. Mischbestückung     1  1,35
> KAPPE 15PM    D-SUB-Kappe f. 15-polig D-Sub, lange      1  0,21
> ---------------------------------------------------------------
>                                                            7,36
> 
> Additionally, two short pieces of a thin coaxial cable and two female
> BNC connectors for the other end of the cables are required. I think,
> these parts should also be available from a dealer in Italy and all the
> parts for one adapter should not cost much more than about 10 Euros.
> 
> Kurt did send me some cut off connectors, but it will be difficult to
> diasassemble the coaxial contacts and to reuse them. But there's one
> interesting thing about these connectors. I've always thought, that the
> 5 single contacts aren't used and are not connected. But there are wires
> connected to two of these contacts. On the old 2-board ATR controller,
> these pins are really not connected, but on the new 1-board ATR
> controller they are. One of the contacts with the wires is connected to
> GND and the other to +5V. It seems, that the other 3 contacts are also
> connected on the board. Jim, do you know, what the purpose of these pins
> are? AFAIK, there was no such thing like an active ATR hub or switch.
> Maybe the 5V was used to control a relay in a wall plug.
> 
> Lothar
> -- 
> Lothar Paltins                                        

Yeah, I thought that was interesting too. I took some pics before I sent them to you... see picture 3.

https://plus.google.com/photos/112158735340501596756/albums/5722133206612433617

Back to comp.sys.apollo | Previous | Next — Previous in thread | Next in thread | Find similar

Thread

Booting an Apollo with the external scsi connection Kurt Nowak <kurt.m.nowak@gmail.com> - 2012-03-16 18:46 -0700
  Re: Booting an Apollo with the external scsi connection supervinx <nessuno@libero.it> - 2012-03-17 08:28 +0000
    Re: Booting an Apollo with the external scsi connection Lothar Paltins <lptmp01@arcor.de> - 2012-03-18 18:07 +0100
      Re: Booting an Apollo with the external scsi connection supervinx <nessuno@libero.it> - 2012-03-18 18:00 +0000
        Re: Booting an Apollo with the external scsi connection Kurt Nowak <kurt.m.nowak@gmail.com> - 2012-03-18 13:03 -0700
          Re: Booting an Apollo with the external scsi connection Lothar Paltins <lptmp01@arcor.de> - 2012-03-18 22:12 +0100
            Re: Booting an Apollo with the external scsi connection Kurt Nowak <kurt.m.nowak@gmail.com> - 2012-03-19 10:13 -0700
              Re: Booting an Apollo with the external scsi connection supervinx <nessuno@libero.it> - 2012-03-19 19:32 +0000
                Re: Booting an Apollo with the external scsi connection Kurt Nowak <kurt.m.nowak@gmail.com> - 2012-03-19 13:03 -0700
                Re: Booting an Apollo with the external scsi connection supervinx <nessuno@libero.it> - 2012-03-19 20:08 +0000
                Re: Booting an Apollo with the external scsi connection Kurt Nowak <kurt.m.nowak@gmail.com> - 2012-03-19 14:42 -0700
                Re: Booting an Apollo with the external scsi connection supervinx <nessuno@libero.it> - 2012-03-19 23:28 +0000
                Re: Booting an Apollo with the external scsi connection Jim Rees <jim.rees@rees.org> - 2012-03-19 17:42 -0700
                Re: Booting an Apollo with the external scsi connection supervinx <nessuno@libero.it> - 2012-03-20 07:56 +0000
                Re: Booting an Apollo with the external scsi connection Jim Rees <jim.rees@rees.org> - 2012-03-20 06:11 -0700
                Re: Booting an Apollo with the external scsi connection Lothar Paltins <lptmp01@arcor.de> - 2012-03-20 20:48 +0100
                Re: Booting an Apollo with the external scsi connection Kurt Nowak <kurt.m.nowak@gmail.com> - 2012-03-20 17:02 -0700
                Re: Booting an Apollo with the external scsi connection Kurt Nowak <kurt.m.nowak@gmail.com> - 2012-03-21 07:23 -0700
                Re: Booting an Apollo with the external scsi connection Lothar Paltins <lptmp01@arcor.de> - 2012-03-21 20:51 +0100
                Re: Booting an Apollo with the external scsi connection Kurt Nowak <kurt.m.nowak@gmail.com> - 2012-03-21 15:04 -0700
                Re: Booting an Apollo with the external scsi connection Kurt Nowak <kurt.m.nowak@gmail.com> - 2012-03-20 10:24 -0700
                Re: Booting an Apollo with the external scsi connection Jim Rees <jim.rees@rees.org> - 2012-03-19 17:50 -0700
                Re: Booting an Apollo with the external scsi connection Kurt Nowak <kurt.m.nowak@gmail.com> - 2012-03-20 12:15 -0700
                Re: Booting an Apollo with the external scsi connection Lothar Paltins <lptmp01@arcor.de> - 2012-03-20 21:02 +0100
                Re: Booting an Apollo with the external scsi connection Jim Rees <jim.rees@rees.org> - 2012-03-22 19:08 -0700
                Re: Booting an Apollo with the external scsi connection supervinx <nessuno@libero.it> - 2012-03-23 07:17 +0000
                Re: Booting an Apollo with the external scsi connection Jim Rees <jim.rees@rees.org> - 2012-03-23 05:41 -0700
                Re: Booting an Apollo with the external scsi connection supervinx <nessuno@libero.it> - 2012-03-24 22:38 +0000
                Re: Booting an Apollo with the external scsi connection Jim Rees <jim.rees@rees.org> - 2012-03-24 18:13 -0700
                Re: Booting an Apollo with the external scsi connection supervinx <nessuno@libero.it> - 2012-03-25 10:14 +0000
                Re: Booting an Apollo with the external scsi connection Jim Rees <jim.rees@rees.org> - 2012-03-25 06:53 -0700
                Re: Booting an Apollo with the external scsi connection Lothar Paltins <lptmp01@arcor.de> - 2012-03-23 21:32 +0100
                Re: Booting an Apollo with the external scsi connection supervinx <nessuno@libero.it> - 2012-03-23 21:05 +0000
                Re: Booting an Apollo with the external scsi connection Kurt Nowak <kurt.m.nowak@gmail.com> - 2012-03-23 15:01 -0700
                Re: Booting an Apollo with the external scsi connection supervinx <nessuno@libero.it> - 2012-03-24 08:11 +0000
                Re: Booting an Apollo with the external scsi connection supervinx <nessuno@libero.it> - 2012-03-24 13:18 +0000
                Re: Booting an Apollo with the external scsi connection supervinx <nessuno@libero.it> - 2012-03-24 16:54 +0000
                Re: Booting an Apollo with the external scsi connection Kurt Nowak <kurt.m.nowak@gmail.com> - 2012-03-24 11:44 -0700
                Re: Booting an Apollo with the external scsi connection james@forluna.co.uk - 2012-03-27 13:42 -0700
                Re: Booting an Apollo with the external scsi connection supervinx <nessuno@libero.it> - 2012-03-27 21:08 +0000
                Re: Booting an Apollo with the external scsi connection Jim Rees <jim.rees@rees.org> - 2012-03-28 07:10 -0700
                Re: Booting an Apollo with the external scsi connection Lothar Paltins <lptmp01@arcor.de> - 2012-03-24 20:34 +0100
          Re: Booting an Apollo with the external scsi connection supervinx <nessuno@libero.it> - 2012-03-18 23:40 +0000

csiph-web