The Silicon Underground https://dfarq.homeip.net/ David L. Farquhar on technology old and new, computer security, and more Wed, 03 Jun 2026 11:10:05 +0000 en-US hourly 1 https://kerosin.digital/rss-chimp16321610 GE Widescreen 1000: Big time TV for big budgets https://dfarq.homeip.net/ge-widescreen-1000/?utm_source=rss&utm_medium=rss&utm_campaign=ge-widescreen-1000 https://dfarq.homeip.net/ge-widescreen-1000/#respond Wed, 03 Jun 2026 11:00:54 +0000 https://dfarq.homeip.net/?p=30266 The GE Widescreen 1000 was a big time TV for big time budgets in an era of excess, with the tagline “This is GE Performance Television.” Introduced in June 1978, it cost about 3/4 as much as a family sedan

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Cyrix 486DLC CPU: Introduced June 1992 https://dfarq.homeip.net/cyrix-486dlc-cpu-introduced-june-1992/?utm_source=rss&utm_medium=rss&utm_campaign=cyrix-486dlc-cpu-introduced-june-1992 https://dfarq.homeip.net/cyrix-486dlc-cpu-introduced-june-1992/#comments Tue, 02 Jun 2026 11:00:09 +0000 https://dfarq.homeip.net/?p=38407 In the first week of June 1992, Cyrix debuted its 486DLC CPU. Cyrix didn’t have its own fabrication plants so they made arrangements with Texas Instruments to manufacture the chips in May 1992. Part of the agreement allowed TI to

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Intel 8088s and non-Intel non-clones https://dfarq.homeip.net/intel-8088s-and-non-intel-non-clones/?utm_source=rss&utm_medium=rss&utm_campaign=intel-8088s-and-non-intel-non-clones https://dfarq.homeip.net/intel-8088s-and-non-intel-non-clones/#comments Mon, 01 Jun 2026 11:00:13 +0000 https://dfarq.homeip.net/?p=33531 The Intel 8088 CPU made its debut June 1, 1978. It rose to fame as the CPU powering the IBM PC, PC/XT, and tens of millions of PC and XT clones from the 1980s. But did you know Intel wasn’t

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Why people say CRTs don’t have pixels https://dfarq.homeip.net/why-people-say-crts-dont-have-pixels/?utm_source=rss&utm_medium=rss&utm_campaign=why-people-say-crts-dont-have-pixels https://dfarq.homeip.net/why-people-say-crts-dont-have-pixels/#comments Fri, 29 May 2026 11:00:59 +0000 https://dfarq.homeip.net/?p=35735 I keep hearing people say that CRTs don’t have pixels. That is incorrect. We talked about pixels all the time in the 1980s when CRTs were all we had. In this blog post, I will try to clear up the

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DR DOS: Revenge of CP/M https://dfarq.homeip.net/dr-dos-revenge-of-cp-m/?utm_source=rss&utm_medium=rss&utm_campaign=dr-dos-revenge-of-cp-m https://dfarq.homeip.net/dr-dos-revenge-of-cp-m/#comments Fri, 29 May 2026 11:00:33 +0000 https://dfarq.homeip.net/?p=28306 DR DOS was a third party clone of MS DOS that developed a well-deserved niche following in the late 1980s and early 1990s. Even though it was first released May 28, 1988, its copyright date of 1976 suggests some historical

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AMD K6-2 released May 28, 1998 https://dfarq.homeip.net/amd-k6-2-released-may-26-1998/?utm_source=rss&utm_medium=rss&utm_campaign=amd-k6-2-released-may-26-1998 https://dfarq.homeip.net/amd-k6-2-released-may-26-1998/#respond Wed, 27 May 2026 11:00:16 +0000 https://dfarq.homeip.net/?p=38148 AMD launched its K6-2 microprocessor on May 28, 1998, a little over a year after its predecessor, the K6. The K6-2 built upon the K6, increasing performance to better compete with the Pentium II. Since it still used the Socket

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Bill Gates’ Internet Tidal Wave Microsoft memo https://dfarq.homeip.net/bill-gates-internet-tidal-wave-microsoft-memo/?utm_source=rss&utm_medium=rss&utm_campaign=bill-gates-internet-tidal-wave-microsoft-memo https://dfarq.homeip.net/bill-gates-internet-tidal-wave-microsoft-memo/#comments Wed, 27 May 2026 11:00:05 +0000 https://dfarq.homeip.net/?p=38143 30 years ago today, on May 26, 1995, Bill Gates wrote a company memo to Microsoft. It was something he did every few years, outlining the company’s top priority. But this one was different. It was a five-alarm fire titled

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What happened to Tandy computers https://dfarq.homeip.net/what-happened-to-tandy-computers/?utm_source=rss&utm_medium=rss&utm_campaign=what-happened-to-tandy-computers https://dfarq.homeip.net/what-happened-to-tandy-computers/#comments Tue, 26 May 2026 11:00:50 +0000 https://dfarq.homeip.net/?p=30419 What happened to Tandy computers? Tandy was a pioneer in the personal computer industry, one of three companies that introduced pre-built, ready to run computers in 1977. And for about 12 years, they were a force to be reckoned with.

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Quantum Link: AOL before it was AOL https://dfarq.homeip.net/quantum-link-aol-before-it-was-aol/?utm_source=rss&utm_medium=rss&utm_campaign=quantum-link-aol-before-it-was-aol https://dfarq.homeip.net/quantum-link-aol-before-it-was-aol/#comments Mon, 25 May 2026 11:00:15 +0000 https://dfarq.homeip.net/?p=35678 I used AOL before it was AOL. And if you had a Commodore and a modem in the 1980s, you may have too. On May 24, 1985, Control Video reorganized and became Quantumlink, or Q-Link for short, on its way

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Advantages and disadvantages of Windows 3.0 https://dfarq.homeip.net/advantages-disadvantages-windows-3-0/?utm_source=rss&utm_medium=rss&utm_campaign=advantages-disadvantages-windows-3-0 https://dfarq.homeip.net/advantages-disadvantages-windows-3-0/#respond Fri, 22 May 2026 11:00:50 +0000 https://dfarq.homeip.net/?p=7858 I hear the question from time to time what the advantages and disadvantages of Windows 3.0 were. Windows 3.0, released May 22, 1990, is generally considered the first usable version of Microsoft Windows. It was certainly the first one to

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