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  • falter's Avatar
    Today, 06:19 PM
    falter replied to a thread Nascom in Other
    Soooo close..
    65 replies | 1529 view(s)
  • falter's Avatar
    Today, 10:20 AM
    I had an opportunity to jump in on the last auction of the 'computer' part by itself.. but I kinda hesitated at $2000 and wasn't sure if I really...
    13 replies | 412 view(s)
  • falter's Avatar
    Today, 07:56 AM
    Will do. Meanwhile, the most expensive Intellivision set yet sold: ...
    13 replies | 412 view(s)
  • falter's Avatar
    Today, 12:00 AM
    I nabbed that one. I'm stunned nobody else bid. Even the hoarder didn't appear. There were 29 people watching it, and I know the Netronics ones...
    13 replies | 412 view(s)
  • falter's Avatar
    Yesterday, 11:49 PM
    falter replied to a thread Nascom in Other
    I will definitely get those tomorrow. I had a crazy day at work and then a Lions event this evening.. so only had time for some quick chip swapping....
    65 replies | 1529 view(s)
  • falter's Avatar
    Yesterday, 10:50 PM
    falter replied to a thread Nascom in Other
    Had one more development. I swapped 74ls32s around.. now when I power on, I get the initial screen of junk, but then it flashes and goes to another...
    65 replies | 1529 view(s)
  • falter's Avatar
    Yesterday, 12:18 PM
    falter replied to a thread Nascom in Other
    Yes sorry.. ic18.. typo. With the 74162 there I get what looks like 64char output instead of 32. I'm not a big fan of 123s.. in about 50% of my...
    65 replies | 1529 view(s)
  • falter's Avatar
    Yesterday, 11:37 AM
    falter replied to a thread Nascom in Other
    Interesting. When I plug the 74162 into IC18, the display changes from what was 32 character to what appears to be 64. Perhaps I've stumbled on its...
    65 replies | 1529 view(s)
  • falter's Avatar
    Yesterday, 09:39 AM
    falter replied to a thread Nascom in Other
    Had a little time between appointments. I found two more cut tracks and patched them. Also shuffled the 74LS163s. We are getting signs of life! ...
    65 replies | 1529 view(s)
  • falter's Avatar
    Yesterday, 07:49 AM
    falter replied to a thread Nascom in Other
    It was around 11:45pm when I checked the forums one last time before bed and saw your note. :) I will check and get back to you on these. ...
    65 replies | 1529 view(s)
  • falter's Avatar
    November 19th, 2017, 11:46 PM
    falter replied to a thread Nascom in Other
    Yes set memory to Int. There was one jumper I may not have bothered with.. think it was the one that handled stop bits and something about incoming...
    65 replies | 1529 view(s)
  • falter's Avatar
    November 19th, 2017, 10:17 PM
    falter replied to a thread Nascom in Other
    Progress! Got a screen up after fixing a cut track under IC 19. That got me *something* like cahracters on the screen. Swapping the 74LS163s (and...
    65 replies | 1529 view(s)
  • falter's Avatar
    November 19th, 2017, 08:19 PM
    I bid on this Compucolor. I did not realize they'd reached the strata of Altairs: ...
    13 replies | 412 view(s)
  • falter's Avatar
    November 19th, 2017, 07:38 PM
    falter replied to a thread Nascom in Other
    Ok so made a few discoveries. The 74ls123 at IC18 (think that was it..) had a pin bent out. There is a 74LS162 IC one up from it.. according to the...
    65 replies | 1529 view(s)
  • falter's Avatar
    November 19th, 2017, 05:32 PM
    falter replied to a thread Nascom in Other
    Wired everything up to the defaults, removed the adapter in IC11 and put the 74LS11 on its own there. Removed all the add on wires, wired up to psu...
    65 replies | 1529 view(s)
  • falter's Avatar
    November 19th, 2017, 04:36 PM
    falter replied to a thread Nascom in Other
    NM.. I just reread the manual. Only need -12V for RS232. I'll leave that out for now.
    65 replies | 1529 view(s)
  • falter's Avatar
    November 19th, 2017, 04:29 PM
    falter replied to a thread Nascom in Other
    So I have two power supplies here.. neither has all the voltages I need but between them I do. I know this was done in the past with other vintage...
    65 replies | 1529 view(s)
  • falter's Avatar
    November 19th, 2017, 04:07 PM
    falter replied to a thread Nascom in Other
    Drat.. was ready to use my MMD1 PSU to fire up but forgot it doesn't put out -5V. Always something!
    65 replies | 1529 view(s)
  • falter's Avatar
    November 19th, 2017, 03:53 PM
    falter replied to a thread Nascom in Other
    Agreed. Okay, I've taken lots of pictures.. I think what I'm going to do is get down a step.. remove the Nasbus and all that from the equation.. and...
    65 replies | 1529 view(s)
  • falter's Avatar
    November 19th, 2017, 11:01 AM
    falter replied to a thread Nascom in Other
    Thanks Dave. I feel like I'm in a bit of a bind with this one. Usually my preference is to go to ground and get down to bare bones functionality....
    65 replies | 1529 view(s)
  • falter's Avatar
    November 19th, 2017, 09:22 AM
    falter replied to a thread Nascom in Other
    LK1 is set to Int LK2 is jumpered LK3 is unjumpered LK4 has a removable jumper attached to one pin but nothing else. LK5 is jumpered to EXT LK6...
    65 replies | 1529 view(s)
  • falter's Avatar
    November 18th, 2017, 06:50 PM
    Based on the RAM used I'm kind of thinking mid 80s too. There is another one they have here:...
    6 replies | 173 view(s)
  • falter's Avatar
    November 18th, 2017, 04:54 PM
    falter replied to a thread Nascom in Other
    Ok so some early info as I start tracing things out. The top 3 pin 'user' connector is as follows: Pin 1 - connects to 'LED' Pin 2 - connects...
    65 replies | 1529 view(s)
  • falter's Avatar
    November 18th, 2017, 01:08 PM
    Curious if you guys think this is set up as someone's home computer or is just a part of some industrial machine? ...
    6 replies | 173 view(s)
  • falter's Avatar
    November 18th, 2017, 01:06 PM
    falter replied to a thread Nascom in Other
    Will do. Kind of makes me wish I had an electron microscope. I coulf examine the microfractures in the broken solder points and match where they...
    65 replies | 1529 view(s)
  • falter's Avatar
    November 18th, 2017, 07:14 AM
    falter replied to a thread Nascom in Other
    Thanks Dave. I don't know if you saw it but there was a small loose connector in one of the pics (or might be the video) that looks like it could...
    65 replies | 1529 view(s)
  • falter's Avatar
    November 17th, 2017, 07:01 PM
    falter replied to a thread Nascom in Other
    Great thanks! I may have to go the Nascom by itself route first. But I have a lot to figure out -- chiefly all those little red wires on the...
    65 replies | 1529 view(s)
  • falter's Avatar
    November 17th, 2017, 03:35 PM
    Curious.. how rare are MK14s? I saw an auction for one a year or two ago that went to 1000 pounds.
    53 replies | 10030 view(s)
  • falter's Avatar
    November 17th, 2017, 01:27 PM
    falter replied to a thread Nascom in Other
    As far as I can tell yes, they go to the backplane. I'm not seeing yet though how the nascom itself gets power.. is that from that connector to the...
    65 replies | 1529 view(s)
  • falter's Avatar
    November 17th, 2017, 11:58 AM
    falter replied to a thread Nascom in Other
    Thanks Dave! Yes the wiring colors to me appear to follow standard Nascom practice. Only the one transformer is wired to the regulator board (the...
    65 replies | 1529 view(s)
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About falter
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Vancouver, BC

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The Ebay Follies

by falter on June 25th, 2017 at 11:09 AM
All hail the $3000 Apple II+!

http://www.ebay.com/itm/142424958928
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