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  • Marty's Avatar
    May 8th, 2019, 07:15 AM
    Marty replied to a thread Build your own PDP 8I, Part 4.. in DEC
    Hi All; Don, I really wasn't worried, but, I couldn't think of anything else to say as a response to Dave.. My friend just got a bunch of...
    95 replies | 8287 view(s)
  • Marty's Avatar
    May 7th, 2019, 04:59 PM
    Marty replied to a thread Build your own PDP 8I, Part 4.. in DEC
    Hi All; Dave, it's probably indirectly my fault, since my friend from Sweden has Ordered about 25 boards, so the system might be backed up.. In...
    95 replies | 8287 view(s)
  • Marty's Avatar
    May 4th, 2019, 08:30 AM
    Marty replied to a thread Build your own PDP 8I, Part 4.. in DEC
    Hi All; LD8 works just fine, LD9 is next.. THANK YOU Marty
    95 replies | 8287 view(s)
  • Marty's Avatar
    April 30th, 2019, 06:08 PM
    Marty replied to a thread Build your own PDP 8I, Part 4.. in DEC
    Hi All; I got LD8 wired, No Ic's in place but it's wired.. along with the pushbuttons of the Front Panel.. Next is Test what I have wired.. As...
    95 replies | 8287 view(s)
  • Marty's Avatar
    April 30th, 2019, 09:20 AM
    Marty replied to a thread Build your own PDP 8I, Part 4.. in DEC
    Hi All; I am attempting to wire in the 12 pushbutton Switches that are needed for the Front panel, I have somewhat cleaned then, and I will hope...
    95 replies | 8287 view(s)
  • Marty's Avatar
    April 27th, 2019, 03:55 PM
    Marty replied to a thread Build your own PDP 8I, Part 4.. in DEC
    Hi All; Vertical wires are now all done.. Next is LD8 wiring.. THANK YOU Marty
    95 replies | 8287 view(s)
  • Marty's Avatar
    April 27th, 2019, 08:56 AM
    Marty replied to a thread Build your own PDP 8I, Part 4.. in DEC
    Hi All; I have all of the Caps wired to Ground !! Now I need to wire the Ground Vertical wire to be finished with the Ground wiring.. THANK...
    95 replies | 8287 view(s)
  • Marty's Avatar
    April 25th, 2019, 05:07 AM
    Marty replied to a thread Build your own PDP 8I, Part 4.. in DEC
    Hi All; I got all of the +5 to the Caps wired and all of the power vertical wires wired.. Now I need to do the Ground side of things.. Then, I...
    95 replies | 8287 view(s)
  • Marty's Avatar
    April 24th, 2019, 11:53 AM
    Marty replied to a thread Build your own PDP 8I, Part 4.. in DEC
    Hi All; Daver2, "" I will start on the BoM for the LD12 as well - and ordering my components for the 'big build' ! "" I don't know if it is...
    95 replies | 8287 view(s)
  • Marty's Avatar
    April 24th, 2019, 08:21 AM
    Marty replied to a thread Build your own PDP 8I, Part 4.. in DEC
    Hi All; It's JLCPCB who are doing the boards that I am using.. THANK YOU Marty
    95 replies | 8287 view(s)
  • Marty's Avatar
    April 24th, 2019, 03:40 AM
    Marty replied to a thread Build your own PDP 8I, Part 4.. in DEC
    Hi All; I am awaiting the name of a board PCB place in China that my friend in Sweden Uses, He has had very good Luck with them.. He get's 5...
    95 replies | 8287 view(s)
  • Marty's Avatar
    April 23rd, 2019, 12:44 PM
    Marty replied to a thread Build your own PDP 8I, Part 4.. in DEC
    Hi All; I got all of the Power and Ground pins wired for the Ic's.. Next is to wire up the Capacitors, before starting the rest of the wiring.....
    95 replies | 8287 view(s)
  • Marty's Avatar
    April 23rd, 2019, 06:14 AM
    Marty replied to a thread Build your own PDP 8I, Part 4.. in DEC
    Hi All; Dave, "" 2. Do I need to put some more 'text' on the back silkscreen layer (especially related to the function of the pins on P1/P2)? "" ...
    95 replies | 8287 view(s)
  • Marty's Avatar
    April 22nd, 2019, 04:22 AM
    Marty replied to a thread Build your own PDP 8I, Part 4.. in DEC
    Hi All; Someone could do or add another lesson for the book and create the block diagram for the Extended Memory addressing, as well as the ASM...
    95 replies | 8287 view(s)
  • Marty's Avatar
    April 21st, 2019, 04:43 AM
    Marty replied to a thread Build your own PDP 8I, Part 4.. in DEC
    Hi All; "" Next thing is to have a look at the circuitry inconsistencies - although this shouldn't really hold up the PCB. There is one IC missing...
    95 replies | 8287 view(s)
  • Marty's Avatar
    April 19th, 2019, 04:05 AM
    Marty replied to a thread Build your own PDP 8I, Part 4.. in DEC
    Hi All; Daver2, what I did was use larger IC wire-wrap sockets for the capacitor, so for a 14 pin IC I used a 16 pin socket, for a 16 pin IC I...
    95 replies | 8287 view(s)
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About Marty

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About Marty
Location:
Boulder , Colorado USA
Interests:
Old Computers mainly S-100

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