The Silicon Underground https://dfarq.homeip.net David L. Farquhar, computer security professional, train hobbyist, and landlord Mon, 25 Jan 2021 00:48:28 +0000 en-US hourly 1 https://i2.wp.com/dfarq.homeip.net/wp-content/uploads/2018/11/cropped-silicon-underground.jpg?fit=32%2C32&ssl=1 The Silicon Underground https://dfarq.homeip.net 32 32 16321610 How often should you replace thermal paste? https://dfarq.homeip.net/how-often-should-you-replace-thermal-paste/?utm_source=rss&utm_medium=rss&utm_campaign=how-often-should-you-replace-thermal-paste https://dfarq.homeip.net/how-often-should-you-replace-thermal-paste/#comments Tue, 26 Jan 2021 13:00:40 +0000 https://dfarq.homeip.net/?p=25451 We usually only think about thermal paste during new system builds. But you may not know that thermal paste dries out over time and needs to be replaced. So how often should you replace thermal paste? And why do you

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Convert AVI to WMV for free. No fooling. https://dfarq.homeip.net/convert-avi-to-wmv-for-free-no-fooling/?utm_source=rss&utm_medium=rss&utm_campaign=convert-avi-to-wmv-for-free-no-fooling https://dfarq.homeip.net/convert-avi-to-wmv-for-free-no-fooling/#respond Mon, 25 Jan 2021 13:00:59 +0000 https://dfarq.homeip.net/?p=25201 I see tons of guides out there claiming to tell you how to convert AVI to WMV for free. Then they give you instructions that don’t work before pitching you some $80 tool to do it. You can’t convert AVI

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O27 scale https://dfarq.homeip.net/o27-scale/?utm_source=rss&utm_medium=rss&utm_campaign=o27-scale https://dfarq.homeip.net/o27-scale/#respond Fri, 22 Jan 2021 13:00:08 +0000 https://dfarq.homeip.net/?p=25188 O27 scale is something of a misnomer. If you’re looking for scale fidelity, you won’t find a lot of it in O27, regardless of manufacturer. But there are still some general guidelines you can follow. O27 is the designation for

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IBM PS/Valuepoint https://dfarq.homeip.net/ibm-ps-valuepoint/?utm_source=rss&utm_medium=rss&utm_campaign=ibm-ps-valuepoint https://dfarq.homeip.net/ibm-ps-valuepoint/#respond Thu, 21 Jan 2021 13:00:23 +0000 https://dfarq.homeip.net/?p=25028 The IBM PS/Valuepoint was IBM’s attempt to address public objections to the IBM PS/2 series. Introduced in October 1992, they were the most clone-like IBM business desktops since the IBM PC/AT. As the name suggests, they were designed to be

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City Hospital, St Louis https://dfarq.homeip.net/city-hospital-st-louis/?utm_source=rss&utm_medium=rss&utm_campaign=city-hospital-st-louis https://dfarq.homeip.net/city-hospital-st-louis/#respond Wed, 20 Jan 2021 13:00:48 +0000 https://dfarq.homeip.net/?p=25144 The Old City Hospital in St. Louis operated from 1845 to 1985. The present-day structure dates to 1896. Initially founded to deal with a severe cholera outbreak, the City of St. Louis owned and operated the hospital for nearly a

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Genesis vs SNES: Battle of the 16-bit consoles https://dfarq.homeip.net/genesis-vs-snes/?utm_source=rss&utm_medium=rss&utm_campaign=genesis-vs-snes https://dfarq.homeip.net/genesis-vs-snes/#respond Tue, 19 Jan 2021 13:00:58 +0000 https://dfarq.homeip.net/?p=25256 The Sega Genesis and Nintendo SNES were natural rivals. They weren’t the only 16-bit game consoles of their era, but they ended up being the two most popular. Sega leapfrogged Nintendo with the Genesis, and the SNES was Nintendo’s answer.

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Paint 3D printed models: Here’s how https://dfarq.homeip.net/paint-3d-printed-models-heres-how/?utm_source=rss&utm_medium=rss&utm_campaign=paint-3d-printed-models-heres-how https://dfarq.homeip.net/paint-3d-printed-models-heres-how/#respond Mon, 18 Jan 2021 13:00:00 +0000 https://dfarq.homeip.net/?p=25194 I recently acquired a 3D printed door for my Commodore 1084 monitor. It was missing its original. Of course, it came in white. I can live without an imperfect match, but I want something closer than white. But can you

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S gauge vs O gauge https://dfarq.homeip.net/s-gauge-vs-o-gauge/?utm_source=rss&utm_medium=rss&utm_campaign=s-gauge-vs-o-gauge https://dfarq.homeip.net/s-gauge-vs-o-gauge/#comments Fri, 15 Jan 2021 13:00:42 +0000 https://dfarq.homeip.net/?p=24793 The S gauge vs O gauge rivalry is certainly a natural one. They were the two most popular sizes of electric train immediately after World War II, before HO scale eclipsed both of them in the later half of the

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What is a cold solder joint? https://dfarq.homeip.net/what-is-a-cold-solder-joint/?utm_source=rss&utm_medium=rss&utm_campaign=what-is-a-cold-solder-joint https://dfarq.homeip.net/what-is-a-cold-solder-joint/#respond Thu, 14 Jan 2021 13:00:51 +0000 https://dfarq.homeip.net/?p=25326 Years ago, my monitor broke. Back then we had repair shops for such things. I called one and described the symptoms I was having. “Sounds like it could be a cold solder joint. Bring it in,” he said. But what

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Why did paint have lead in it? https://dfarq.homeip.net/why-did-paint-have-lead-in-it/?utm_source=rss&utm_medium=rss&utm_campaign=why-did-paint-have-lead-in-it https://dfarq.homeip.net/why-did-paint-have-lead-in-it/#comments Wed, 13 Jan 2021 13:00:35 +0000 https://dfarq.homeip.net/?p=24931 Does paint have lead in it? It’s not supposed to anymore, because it’s a serious safety issue. But there was a time when it did, and people might even pay extra for more of it. So why did paint have

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