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... components were easily available from Jaycar or RS Components, the 270 ohm 9 resistor SIP resistor packs were proving difficult to locate and these were in the partial kit.  Thanks Philip. My ...
... on each poster for the archive.org link.  The text below each poster is written on the back of the originals. The NOP SIG is dedicated to the retention, restoration and running of Nostalgic, ...
... etc) and while there are some interesting, fun and possibly limited utility applications of IOT for the average apartment dweller, for those of us that live on lifestyle blocks IOT devices really can help. ...
... by the most dedicated hardware hackers.     This short Youtube video describes the prototype.   The production board was created using the Eagle ...
... exhibit the same symptoms.  Attempts to access the board give a Bus Error.  Initial indications are that the issue is in the refresh generation circuit.  We will see.....    ...
... KayPlus ROM worked but there were a few odd behaviours running some CP/M applications that needed further investigation. In May 2014 a Kaypro II was purchased from eBay by phorgen on the Vintage Computer ...
... this (and the GPS almanac for fast power on) when the power is cycled requires a 2.7v-5.5v power source on the V_BACKUP line. With fast startup not critical for this application and not wanting to ...
... while doing the project was how to program the EEPROM with multiple ROM images.   The solution was the SRECORD set of utilities and specifically SREC_CAT.   The following ...
... had no luck locating the '83 version of the Advent TurboROM.  If you have a Kaypro with this installed we would love a copy for testing. I have a 4/83 which has a 4K ROM but the Kayplus '83 ROM ...
... to the expansion connector on the left side of the expansion interface.  This expansion connector is a duplicate of the connector on the back of the keyboard with the exception of the dynamic memory ...
... chips replaced and a cable made up the initial indications where that the Expansion Interface worked fine. At this point I realized why they put these in cases... where to put the monitor when ...
... few applications and in most cases as a RAM disk.... so upgrading to 128K wasn't high on my list of "must do" items.   Contributing to this was my workhorse machine being a "Non Gate Array" variant ...
With the replacement header installed on the serial interface board and the modifications removed from the floppy drive controller it was time to reassemble the machine. Nothing special here but ...
... component side of the board solder a single pin on the lower side of the switch to hold the switch in place while using a ruler to align the top edges of all switches.   This sounds more complicated ...
... 1980's when the stock internal drives were being replaced with four half height units. Mainboard floppy disk controller SIL header In addition to the connector replacement was another modification ...
... to prevent overspray onto the switch bodies   A very impressive result for less then NZ$10 in paint and some qualified assistance. For anyone looking to replicate this I used Humbrol ...
... are a few photos that might help you out.  Hope the quality is good enough.   An Arduino 6 pin header before modification.   The 6 pin header with two ...
... with microcomputers I spent a lot of time dreaming about those machines in my collection of DEC product catalogs. My father worked for the Physiology Department of the School of Medicine, University ...
... __name__ == "__main__": urls = ('/','root','/fence/(.+)','fence') app = web.application(urls,globals()) render = web.template.render('/home/pi/fence/templates/') app.run()   ...
... system with IOByte".... but what did that mean?   Google pointed to many sites that talked about IOByte (or duplicated detail from the DR documentation). There was much comment about how ...
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Contact Andrew Quinn

jaquinn@ihug.co.nz http://twitter.com/jaquinn