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Disadvantages of the 8086 microprocessor

Dave Farquhar Hardware, Retro Computing July 11, 2017August 11, 20176502, amd, apple, Apple Lisa, DEC, IBM, intel, MOS, motorola, x86

An 8086-series microprocessor, the 8088, powered the original IBM PC. Its direct descendants power PCs to this day. Not only that, they power modern Macs too. This was always controversial, especially running Mac OS on Intel chips. Why? What are the disadvantages of the 8086 microprocessor?

Dave Farquhar

David Farquhar is a computer security professional, entrepreneur, and author. He started his career as a part-time computer technician in 1994, worked his way up to system administrator by 1997, and has specialized in vulnerability management since 2013. He invests in real estate on the side and his hobbies include O gauge trains, baseball cards, and retro computers and video games. A University of Missouri graduate, he holds CISSP and Security+ certifications. He lives in St. Louis with his family.

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The Post-Dispatch may be giving the wrong idea about the dollar value of vintage computers

Dave Farquhar Retro Computing February 6, 2014September 6, 20181541, 1980s, 1990s, amiga, apple, apple ii, Apple Lisa, collectibles, commodore, commodore 64, Commodore Amiga, compaq, dell, hp, IBM, macintosh, radio shack, recycling, VGA, XT

Articles like Top 10 collectibles for value, from the Post-Dispatch this week, frequently make me nervous, mostly because of statements like this one:

[D]id you know that computer parts can bring home cash, too?

Statements like that tend to get people’s hopes up way too high. I find the timing interesting though, seeing as a TRS-80 Model 1 sold at a St. Louis estate sale this past weekend. The estate seller’s reaction? “Normally you can’t give that stuff away.”

Dave Farquhar

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Sculley on Jobs

Dave Farquhar Retro Computing September 11, 2013September 16, 20231980s, amiga, apple, apple ii, Apple Lisa, atari, commodore, IBM, Korea, macintosh, pixar, Steve Jobs, Toy Story

John Sculley famously fired Steve Jobs in September 1985, a move that’s pretty universally panned today. Nearly 28 years later, Forbes asked Sculley about it.

Here’s the money quote:

“He was not a great executive back in those early days. The great Steve Jobs that we know today as maybe the world’s greatest CEO, certainly of our era, he learned a lot in those years in the wilderness.”

Dave Farquhar

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Cringely takes on Ashton Kutcher’s movie about Steve Jobs

Dave Farquhar Macintosh, Retro Computing August 25, 2013July 17, 20171990s, apple, Apple Lisa, capitalization, IOS, os x, Steve Jobs, unix, windows nt

Mark Stephens, a.k.a. Robert X. Cringely, wrote last week about his disappointment in Ashton Kutcher’s movie Jobs, about the late Apple co-founder and CEO.

Here’s the most important part of his quasi-review:

[S]omething happened during Steve’s NeXT years (which occupy less than a 60 seconds of this 122 minute film) that turned Jobs from a brat into a leader, but they don’t bother to cover that. In his later years Steve still wasn’t an easy guy to know but he was an easier guy to know. His gut for product was still good but his positions were more considered and thought out. He inspired workers without trying so much to dominate or hypnotize them.

Indeed. Read more

Dave Farquhar

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What happened to GEM?

Dave Farquhar Retro Computing August 10, 2012February 21, 20221980s, 1990s, apple, apple ii, Apple Lisa, atari, atari st, commodore, Digital Equipment Corporation, Digital Research, IBM, jack tramiel, macintosh, motorola, piracy, SCO

GEM was an early GUI for the IBM PC and compatibles and, later, the Atari ST, developed by Digital Research, the developers of CP/M and, later, DR-DOS. (Digital Equipment Corporation was a different company.) So what was it, and what happened to GEM?

It was very similar to the Apple Lisa, and Apple saw it as a Lisa/Macintosh ripoff and sued. While elements of GEM did indeed resemble the Lisa, Digital Research actually hired several developers from Xerox PARC.

DRI demonstrated the 8086 version of GEM at COMDEX in 1984, and shipped it on 28 February 1985, beating Windows 1.0 to market by nearly 9 months.
Read more

Dave Farquhar

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Old computer magazines

Dave Farquhar Retro Computing November 12, 2002October 26, 2022amiga, apple, Apple Lisa, atari, atari st, IBM, ibm pcjr

I guess I need a “retro” category here. Anyway, I found this on Slashdot this morning: The Computer Magazine Archive. Don’t let the URL fool you–it’s not just Atari stuff.

Dave Farquhar

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