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  • falter's Avatar
    Today, 08:01 AM
    falter replied to a thread This one p---ses me off. in Rants
    Fair enough, but do they actually make more money here? An open auction usually will pull in more than a BIN. At least, that's been my experience. ...
    4 replies | 145 view(s)
  • falter's Avatar
    Yesterday, 10:13 PM
    falter started a thread This one p---ses me off. in Rants
    Another hint at how vintagecomputermuseum does business. Okay, so here's the original auction with the original seller: ...
    4 replies | 145 view(s)
  • falter's Avatar
    December 13th, 2017, 07:41 PM
    It's just a bit weird.. I wouldn't have thought a lot of that stuff would have made it that far afield. But this seller seems to have a bottomless...
    4 replies | 234 view(s)
  • falter's Avatar
    December 13th, 2017, 06:49 PM
    I'm a little nervous around AC yeah. I mean, unlike low voltage DC, it can kill you. I would have liked to have been in a class or physically in...
    363 replies | 27188 view(s)
  • falter's Avatar
    December 13th, 2017, 08:03 AM
    Right now the transformer is not connected to anything. I'm wondering though if I could connect it to the AC input from the TVT, just so there's a...
    363 replies | 27188 view(s)
  • falter's Avatar
    December 12th, 2017, 04:15 PM
    Per the 'errata' - Diode 6 is backwards on the parts overlay, and the negative supply diodes are backwards on the schematic. I assume that means the...
    363 replies | 27188 view(s)
  • falter's Avatar
    December 12th, 2017, 04:09 PM
    Here's what I have: Now this unit has been out of production for years.. Signal did this as a one off custom job for me. So I'm somewhat...
    363 replies | 27188 view(s)
  • falter's Avatar
    December 11th, 2017, 10:00 PM
    Thanks Mike. This transformer doesn't have any wires... just metal posts that they've labelled with voltages.
    363 replies | 27188 view(s)
  • falter's Avatar
    December 11th, 2017, 09:40 PM
    Ahhh. And now looking at the schematic, it makes sense. And that seems to jive with the schematic: And indeed on this original TVT with same...
    363 replies | 27188 view(s)
  • falter's Avatar
    December 11th, 2017, 05:28 PM
    When you say identifying each of the 12v and 6v.. you mean figuring out which post on the transformer is which? Because they are labelled..
    363 replies | 27188 view(s)
  • falter's Avatar
    December 11th, 2017, 02:02 PM
    No... Signal didn't provide that and I haven't had any luck looking online. I believe the TVT plans were based around this particular transformer...
    363 replies | 27188 view(s)
  • falter's Avatar
    December 11th, 2017, 09:37 AM
    Thanks Chuck. Far as I can tell the outside is totally non-conductive.. but being this is my first power supply build I'm being extra paranoid. ...
    363 replies | 27188 view(s)
  • falter's Avatar
    December 11th, 2017, 09:10 AM
    And one other question - I don't have to worry about the leads from the smaller caps etc making contact with the body of the bigger cap, right? From...
    363 replies | 27188 view(s)
  • falter's Avatar
    December 11th, 2017, 08:54 AM
    Someone *really* wanted a turnkey case with broken reset switch!!
    10 replies | 204 view(s)
  • falter's Avatar
    December 11th, 2017, 08:18 AM
    Things are getting serious now. I have attached a line cord! I also took Chuck's advice and changed to a screw terminal for the large 5000uf cap. ...
    363 replies | 27188 view(s)
  • falter's Avatar
    December 11th, 2017, 08:08 AM
    I wish I could prove it, but I'm 99% certain the seller did not add the photos of the inside until later. They haven't responded to my request to...
    10 replies | 204 view(s)
  • falter's Avatar
    December 10th, 2017, 05:51 PM
    The board has "Intellimac" written on one side and appears to have DB25 ports on the front. Strange thing to shove in there. I've alerted the...
    10 replies | 204 view(s)
  • falter's Avatar
    December 10th, 2017, 02:59 PM
    Weird. 680b turnkey but it looks like the guts have been replaced with a 68k? ...
    10 replies | 204 view(s)
  • falter's Avatar
    December 10th, 2017, 10:02 AM
    Yeah that's what I'm thinking. But how do you clean well inside the sockets?? They don't come apart do they?
    11 replies | 322 view(s)
  • falter's Avatar
    December 10th, 2017, 08:06 AM
    falter replied to a thread The Ebay Follies in Rants
    Wow.. a $5000 box: https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.com%2Fulk%2Fitm%2F173024874076
    220 replies | 29537 view(s)
  • falter's Avatar
    December 9th, 2017, 12:56 PM
    Basically I'm setting up an OSI 500 board and such with a 580 board. I've not found documentation on the 580 backplane yet so I'm not sure if it had...
    8 replies | 162 view(s)
  • falter's Avatar
    December 9th, 2017, 12:34 PM
    Yes original PSU. I have noticed that pressing down firmly on the board results in more reliable operation. I'm thinking either the contacts are...
    11 replies | 322 view(s)
  • falter's Avatar
    December 9th, 2017, 11:23 AM
    Well, I've made a bit of progress. I purchased a replacement ROM board, and after fiddling I do periodically get Memopad. I was also able to get...
    11 replies | 322 view(s)
  • falter's Avatar
    December 9th, 2017, 10:20 AM
    For my OSI board, I need to bring -12V down to -9V. Is it as simple as installing a 7809 regulator in between? Or do I need a voltage regulator...
    8 replies | 162 view(s)
  • falter's Avatar
    December 8th, 2017, 08:45 PM
    Too tapped for Christmas to participate in this second Compucolor auction of the year, but I just got a chuckle at the label on the back: ...
    0 replies | 69 view(s)
  • falter's Avatar
    December 8th, 2017, 06:07 PM
    Some years ago I bought a 'Challenger'. At least, I've long assumed it's a Challenger. However, having seen a few OSI auctions go down, I'm...
    1 replies | 119 view(s)
  • falter's Avatar
    December 7th, 2017, 11:13 PM
    Trying to figure out auctions like this one: https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.com%2Fulk%2Fitm%2F272973831002 A...
    4 replies | 234 view(s)
  • falter's Avatar
    December 7th, 2017, 05:49 PM
    falter replied to a thread The Ebay Follies in Rants
    I rather think that the fact that the original seller had to drop the price twice before someone would bite would pretty much speak to value. But...
    220 replies | 29537 view(s)
  • falter's Avatar
    December 7th, 2017, 11:34 AM
    falter replied to a thread The Ebay Follies in Rants
    I don't think he is. He actually has one of his children or grandchildren helping. He is still actively buying and flipping. I think this is just...
    220 replies | 29537 view(s)
  • falter's Avatar
    December 7th, 2017, 09:12 AM
    falter replied to a thread The Ebay Follies in Rants
    There's actually a thread here on the forums where this seller mentioned buying it. His position is that conferring with another owner, they...
    220 replies | 29537 view(s)
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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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