Saturday, October 3, 2020

Side project while waiting for outdoor air to become fit for human life - restore a Power Designs 2005P Power Supply - Part III

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 REVERSE ENGINEERED CIRCUIT FOR PROGRAMMING CONSTANT ADJUSTMENT I went through the power supply, tracing out, beeping and and measuring comp...
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Power Designs 2005P power supply schematic

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 This is a schematic I created by correcting the model 2005 version for the differences found in the 2005P, since there seem to be no extant...
Friday, October 2, 2020

Side project while waiting for outdoor air to become fit for human life - restore a Power Designs 2005P Power Supply - Part II

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The wine country fires have dumped large amounts of ash and smoke into the air, with that particle laden air wafting down to my area. Air qu...
Wednesday, September 30, 2020

Quick verification of communication between CISCO 2911 router and my laptop

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 PURPOSE OF THE LINK The ethernet connection between my laptop and the fast ethernet port of the Cisco 2911 will be used by the DLSW encapsu...
Tuesday, September 29, 2020

Side project while waiting for outdoor air to become fit for human life - restore a Power Designs 2005P Power Supply - Part I

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 CALIFORNIA FIRES AND AIR QUALITY The many wildfires, most started by lightning during one day of thunderstorms, have been joined by fires u...
Tuesday, September 1, 2020

Setting up laptop for private ethernet link to Cisco router

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 CONNECTING CISCO 2811 TO LAPTOP FOR HERCULES SDLC LINK TO MVS The SDLC (VTAM) version of the project is to connect my IBM 3174 and its atta...
Monday, August 31, 2020

RPF working well now

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 COMPARING MOSELEY AND TK4- MVS SYSTEMS HIGHLIGHTED DIFFERENCES There were quite a few differences but I first zeroed in on the variations t...