diff --git a/content/pages/about.md b/content/pages/about.md index dbf0c21..4dce06e 100644 --- a/content/pages/about.md +++ b/content/pages/about.md @@ -2,53 +2,74 @@ title: "About" date: 2024-03-06T23:04:44-05:00 draft: false +references: +- title: "IBM PS/2 Model P70 | Laptop Pics" + url: http://laptop.pics/ibm-ps-2-model-p70/ + date: 2024-03-09T18:44:46Z + file: laptop-pics-u7z4hz.txt +- title: "The 1998 HFStival" + url: https://hfs98.tripod.com/ + date: 2024-02-21T04:38:29Z + file: hfs98-tripod-com-jmnzh1.txt +- title: "The 1999 HFStival" + url: https://hfs99.tripod.com/ + date: 2024-02-21T04:38:54Z + file: hfs99-tripod-com-v7f3u9.txt --- I'm a technologist living in Durham, North Carolina, USA with my wife and daughter, plus a dog named Steve and a parrot named Tad. -I work as a developer and manager at [Viget][1], where I've been building things for the web since 2008. Ruby is my primary language, but I enjoy working across a variety of technologies. +My parents met at IBM and I grew up around computers (my favorite was the [PS/2 Model P70][1]). We were online pretty early, first with [Prodigy][2] and AOL, then moving onto the web. I started making websites in middle school (a few I made as an underclassman in high school are [still][3] [online][4] as of March 2024). I interned at [webMethods][5] for two summers and saw both sides of the original web bubble. I studied Computer Science in college and have been making stuff for the web professionally ever since. -In my free time, I enjoy running, cycling, woodworking, making [music][2], and creative programming. +[1]: http://laptop.pics/ibm-ps-2-model-p70/ +[2]: https://en.wikipedia.org/wiki/Prodigy_(online_service) +[3]: https://hfs98.tripod.com/ +[4]: https://hfs99.tripod.com/ +[5]: https://en.wikipedia.org/wiki/WebMethods -[1]: https://www.viget.com/ -[2]: /music/ +I work as a developer and manager at [Viget][6], where I've been since 2008. Ruby is my primary language, but I enjoy working across a variety of technologies. I'm super interested in Golang these days. + +In my free time, I enjoy running, cycling, woodworking, making [music][7], and creative programming. + +[6]: https://www.viget.com/ +[7]: /music/ --- ## Contact -I'm available by email at [hello@davideisinger.com][3]. I'd love to hear from you. +I'm available by email at [hello@davideisinger.com][8]. I'd love to hear from you. -[3]: mailto:hello@davideisinger.com +[8]: mailto:hello@davideisinger.com -You can [receive my monthly dispatches via email][4] or [add my RSS feed to your feed reader][5] (I use and recommend [Feedbin][6]). +You can [receive my monthly dispatches via email][9] or [add my RSS feed to your feed reader][10] (I use and recommend [Feedbin][11]). -[4]: https://dispatch.davideisinger.com/subscription/form -[5]: /index.xml -[6]: https://feedbin.com/ +[9]: https://dispatch.davideisinger.com/subscription/form +[10]: /index.xml +[11]: https://feedbin.com/ --- ## Colophon -This site is built with [Hugo][7]. I recommend Brian P. Hogan's [_Build Websites with Hugo_][8] if you'd like to set up your own Hugo site from first principles. +This site is built with [Hugo][12]. I recommend Brian P. Hogan's [_Build Websites with Hugo_][13] if you'd like to set up your own Hugo site from first principles. -It's deployed via GitHub Actions to a small Digital Ocean server running behind Cloudflare. I use [Caddy][9] in a Docker container to serve the site. +It's deployed via GitHub Actions to a small Digital Ocean server running behind Cloudflare. I use [Caddy][14] in a Docker container to serve the site. -Image dithering is handled via a small webservice I've detailed in [a dedicated post][10]. +Image dithering is handled via a small webservice I've detailed in [a dedicated post][15]. -The links on the homepage are pulled from my [Pinboard bookmarks][11]. I create plaintext backups of pages I link to with [w3m][12]. +The links on the homepage are pulled from my [Pinboard bookmarks][16]. I create plaintext backups of pages I link to with [w3m][17]. -I manage my [monthly dispatch emails][13] with [Listmonk][14], also running as a container behind a Caddy proxy. +I manage my [monthly dispatch emails][18] with [Listmonk][19], also running as a container behind a Caddy proxy. -Source code is available on [GitHub][15]. +Source code is available on [GitHub][20]. -[7]: https://gohugo.io/ -[8]: https://pragprog.com/titles/bhhugo/build-websites-with-hugo/ -[9]: https://caddyserver.com/ -[10]: /journal/encrypt-and-dither-photos-in-hugo/ -[11]: https://pinboard.in/u:DCE/public/ -[12]: https://w3m.sourceforge.net/ -[13]: https://dispatch.davideisinger.com/archive -[14]: https://listmonk.app/ -[15]: https://github.com/dce/davideisinger.com/ +[12]: https://gohugo.io/ +[13]: https://pragprog.com/titles/bhhugo/build-websites-with-hugo/ +[14]: https://caddyserver.com/ +[15]: /journal/encrypt-and-dither-photos-in-hugo/ +[16]: https://pinboard.in/u:DCE/public/ +[17]: https://w3m.sourceforge.net/ +[18]: https://dispatch.davideisinger.com/archive +[19]: https://listmonk.app/ +[20]: https://github.com/dce/davideisinger.com/ diff --git a/static/archive/laptop-pics-u7z4hz.txt b/static/archive/laptop-pics-u7z4hz.txt new file mode 100644 index 0000000..ea24188 --- /dev/null +++ b/static/archive/laptop-pics-u7z4hz.txt @@ -0,0 +1,439 @@ +[1][laptop-pics] + + • [2]Apple + • [3]Atari + • [4]Canon + • [5]Dell + • [6]HP + • [7]IBM + • [8]Lenovo + • [9]Panasonic + • [10]SAGER + • [11]Toshiba + + +[12]IBM PS/2 Model P70 + + • [13]May 16, 2018 + • [14]Jack + • [15]5 Comments + + +Introduction + +It’s 1989. Most people are using 286 or 386-based systems with 2-4 MB of +memory, and an EGA monitor. Some people are still using the IBM 5150 PC or 5160 +XT, likely paired with an MDA card and green-screen monitor (both of which were +still sold new within the last 3 years). A few people have Amigas, Ataris, +Macintosh IIs, or new 486 machines. The new [16]Atari Portfolio is sometimes +used on the road, as well as the older Epson HX-20 and TRS-80 Model 100. Quite +a few people are using 2400 baud external modems to connect to Bulletin Board +Systems and download utilities like PKZIP or PKARC. But there’s one portable +computer coming out that has everything you could ask for on-the-go – a VGA +Screen, a 386 running at up to 20 MHz, and a hard drive with a size of up to +120 MB (!). + +[17][p70-2-1024x941][18][p70-1-1024x914] + +Meet the IBM PS/2 P70. Not related to the modern ThinkPad P70 (which came out +in 2015), the PS/2 P70 was a “luggable” Microchannel Architecture (MCA) +computer, with an amber gas-plasma display similar to the [19]Toshiba T5200. It +came with a truly pleasant fold-down mechanical keyboard, gorgeous display, +3.5″ Floppy Drive (when many people were still using 5.25″), and, of course, a +PS/2 Port for a mouse (when serial mice, InPort mice, and no mice at all were +still very common). + +The only problem would have been the prohibitive cost. My model, when it was +new, cost $7,695 as of the product announcement on May 9, 1989. If we convert +this to 2018 dollars, we’re looking at $15,486. There are still new cars being +sold for less than that. + +This computer might seem cumbersome, too big to use on the road, and not truly +portable (since it didn’t run off batteries). But at the time, there were no +equivalent offerings from Data General, Tandy, Toshiba, Bondwell, Magnavox or +any other company that manufactured portables of the day. (Especially regarding +the VGA screen and PS/2 Port.) Also remember that the original Nintendo Game +Boy was just coming out at this time. + +The PS/2 Model P70 is essentially a portable version of the PS/2 Model 70, +which was a horizontally-oriented Microchannel Desktop system of the time. I do +have one of these, equipped with two 3.5″ Floppy Drives, 5 MB of RAM, and a 60 +MB ESDI Hard Drive. This particular desktop configuration cost $7,995 in August +of 1988. I can confirm that the desktop behaves quite similarly to the +portable, both in design and “mannerisms”. + +Working with old computers, and saving them from a trip to the trash, can be +easier than it seems. I got my PS/2 P70 for fairly cheap, because it had three +main show-stopping problems: No video (picture), bad CMOS battery, and +completely missing floppy drive. I installed one of my spare PS/2 L40SX floppy +drives, popped a new CR-P2 battery into the socketed CMOS Battery Holder, and +used some DeOxit on the plasma display connector. Good as new. + +Note that a working floppy drive is necessary to enter the Configuration +Utility and set the machine’s parameters, such as Hard Drive Type (otherwise, +the computer will not know how to boot from it.) If the CMOS battery (6V CR-P2) +runs out, the machine will “forget” this configuration, and will not boot from +the hard drive until you run the configuration utility again. This doesn’t +sound terrible at first, but the P70’s integrated floppy drive is notoriously +unreliable for a few reasons. First, the vertical design causes dust to +accumulate in it. Second, it’s semi-proprietary (as it carries power and data +on the same cable). It’s possible to retrofit a regular IDE floppy drive, but +this process requires modifications to the cable. Third, the P70’s factory +floppy drive is prone to capacitor failure, which causes the drive motor to +spin at full speed, making floppy drive file operations fail! + +Pictures + +Here are some extreme close-up shots of the interior, taken in 2019: + +[20][p70-2021-2-185x300] [21][p70-2021-3-3-300x219] + +And here are some action shots: + +[22][p70-3-1024x678] [23][p70-4-1024x678] [24][p70-5-1024x712] [25] +[p70-6-1024x800] [26][p70-7-1024x678] + +[27][p70-2021-6-300x251] [28][p70-2021-7-300x225] [29][p70-2021-8-268x300] + +Here are some miscellaneous case shots: + +[30][p70-2021-5-300x225][31][p70-2021-4-1-300x274][32][p70-2021-1-225x300] + +And finally, a picture of the finished product, including the original +enclosure (which took a while to find) around the Floppy Drive. The entire +floppy assembly tilts outward when you push on it, and clicks back into place +for storage: + +[33][p70-2021-9-1-300x280] + +Revised on June 29, 2021 + + +Category: [34]IBM +[d63005] + +About the Author + + +5 Responses to IBM PS/2 Model P70 + + 1. [10] [35]John Edwrd Harris says: + [36]March 12, 2019 at 4:52 pm + + I acquired a used PS/2 P70 in the late 1990’s that I used for a few years. + I used it primarily for word processing and email until I upgraded to used + Toshiba satellite laptop. It was heavy, but portable enough that I could + take it on the road when attending in-residence seminars. I have some fond + memories of that work horse. Thanks for the background information and a + trip down memory lane. + + [37]Reply + 2. [7b] [38]FANGXIANG says: + [39]April 30, 2021 at 4:04 am + + Hello, I’m glad to see your introduction to the P70 computer, some of which + I first learned about. I sent you a letter from China, P70 computer is very + rare here. I’m lucky to have one. Thank you again for your photos. As you + can see from the web page: [40]http://www.pcang.com/fang/ + ibm_personal_system-2_P70.htm + + [41]Reply + 3. [9f] Rita Graça says: + [42]June 29, 2021 at 8:42 am + + How does one insert and remove disks in and from the floppy drive? Also, it + looks like some sort of plastic should cover it. + + [43]Reply + □ [d6] Jack says: + [44]June 29, 2021 at 10:43 am + + The entire floppy assembly tilts downward (pops out) when you push on + it. As mentioned in the article, I had to use a non-original floppy + drive, so it didn’t have any plastic enclosure. However, I found one + years later, and just uploaded a picture of the final assembly (at the + bottom of the article.) + + [45]Reply + 4. [c7] PB says: + [46]December 13, 2023 at 8:14 am + + I remember these laying around the IBM Rochester, MN AS/400 lab. They were + useful to run the AS/400 terminal software. + + [47]Reply + +Leave a Reply [48]Cancel reply + +Your email address will not be published. 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