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Computers


The thing that frustrates Lynn the most about my computers is the fact that most of my hobbies, and a lot of the necessities of family life (like budgets and finances), have segments that have weaseled their way onto my home computer . She never knows whether I am working or playing when I'm hunched over the keyboard in my basement office (which is often).

I cut my programming teeth on FORTRAN and Macro-Assembler programming for PDP-11 mini-computers, and have worked my way up through 8086 Assembler and Pascal to C and C++, and now do recreational programming in Microsoft's Visual Basic and Access. Never bothered with (and have no interest in) Macintosh computers. When things go wrong (as they always do), you have very few options to do anything about it with a Mac. With Windows-based machines, you can treat them like toasters (which is what a Mac proudly compares itself to), or you can use it as a Swiss Army Knife, but at least with a PC you have the choice.  And they're a heck of a lot cheaper than Macs too!

I've had a few computers over the years, some better than others. I tend to keep a machine for 4-6 years. I’ve found over the years that I need to either refresh the machine (reinstall the existing OS) or upgrade the operating system about every 2 years, and when refreshing the machine or upgrading to a major new version of an operating system that buying a new boot drive and installing a clean copy of the OS onto a clean hard drive is the least painful and most successful, rather than trying to upgrade an existing install which may be 3 or 4 years old, or more. Three or four years of heavy use takes its toll on an instance of an operating system; applications being installed and uninstalled, old hardware and accessories and the resultant drivers being replaced with new ones, all take their toll on the speed and efficiency of an installed operating system. For Windows, the victim is often the registry; The Windows Registry is an internal hierarchical database that stores configuration settings and options for the operating system, peripherals, applications, and other various and sundry things. The bigger it is, the slower it performs and the more likely something will get corrupted. After 3-4 years of active use it can get HUGE! So I prefer to start from scratch. It also forces me to think long and hard about the applications I want to re-install, so that also helps clean house in its own way.

Installing the OS on a new hard drive also permits me to bump the old boot drive up to drive D, which gives me access to all my old data files. Of course, the old OS still takes up space on the formerly bootable drive, but I can delete the OS files at my leisure after I’m sure I don’t need to go back to the old environment for any reason.

My computers over the years have run the gamut as far as brands and capabilities:

Other computers lying about the house include:

For the other no-name I had fun and went to a local computer show/flea market and bought a micro-tower ATX case that included a 150 watt power supply, 3.5" floppy, 42x CD-ROM, and keyboard-speakers-mouse. Then I bought an empty PC-Chips M754LMR motherboard with mounting space for either a Slot 1 (high-end) or a Socket 370 (low end) CPU chip, an on-board 64bit 3D AGP Graphics Accelerator with 8MB frame buffer, an on-board 3D PCI Sound system, an on-board 56k fax/modem, and an on-board Davicom 10/100 Ethernet LAN (all these on-board features mean they don't require cards and slots). Then I bought a low-end Intel 366 Celeron CPU (Socket 370 style) and 64MB of memory to plug into the motherboard. The total for the case, motherboard, CPU, memory, and parts came to $350. Finally  I bought a Maxtor 8.1GB hard drive for an extra $105. The only thing missing was  a monitor, which I was able to come up with.  I've since tired of the micro-ATX case and upgraded to a mid-size ATX tower case, and added another 64 MB or memory while I was at it (for a total of 128 MB), and I've since upgraded the CPU to a 450 MHz Pentium III in a slot-1 form factor.

The OLPC project is a philanthropic effort who's aim is to provide each child in developing countries with a rugged, low-cost, low-power, connected laptop. The OLPC project believes that as the pace of change in the world increases dramatically, the urgency to prepare all children to be full citizens of the emerging world also increases dramatically.

They believe that no one can predict the world our children will inherit and that the best preparation for children is to develop the passion for learning and the ability to learn how to learn.

They believe that the root cause of the rapid change, digital technology, also provides a solution. When every child has a connected laptop, they have in their hands the key to full development and participation. Limits are erased as they can learn to work with others around the world, to access high-quality, modern materials, to engage their passions and develop their expertise. What children lack is not capability, it is opportunity and resources.

The OLPC laptop was designed collaboratively by experts from academia and industry to combine innovations in technology and learning. They considered the need to weather extreme environmental conditions such as high heat and humidity, to support easy field repair by children, and local language support. As a result, the laptop is durable, functional, energy-efficient, responsive, and fun. It runs a varient of Linux designed specifically for it, called "Sugar." It has a water-resistent keyboard and case, wi-fi, USB and SD card support, built-in camera and microphone, and a color screen that is viewable in direct sunlight.

The Sony Vaio notebooks are sweethearts.  Purple titanium!  Its a Z505 SuperSlim Pro (3.75 lbs, 1.15" X 10.8" X 8.9"), with a 650 MHz Intel Pentium III processor running Microsoft Windows XP; 12.1" (1024 x 768) XGA TFT screen; 12.0 GB hard drive; 128 MB SDRAM; 1 type II PCMCIA card slot; integrated stereo speakers; and with built-in USB, firewire, MemoryStick, ethernet, and modem ports. Optional goodies include an external 8X max. DVD-ROM drive, external 4X4X20X max. CD-RW drive, extra triple-capacity battery, and carrying case.

x31I also added some other older laptops, an IBM ThinkPad X31 notebook (1.7 GHz Intel Pentium M processor, 1GB memory, 40 GB hard drive, wireless connectivity, and and an X3 UltraBase docking station that contains a combination CD-RW and DVD drive) and a ThinkPad X32 (2.0 GHZ Intel Pentium M Centrino processor, 1 GB memory, 60 GB hard drive wireless, and another X3 Ultrabase dock) bought at the MITRE employee auction in 2007 & 2008. This replaces an HP Omnibook 4150 notebook computer I also bought at MITRE auction a few years back, and finally donated to the Woburn Historical Society for use during their monthly presentations.

Acer Aspire OneLynn had a new machine for a while, a PowerSpec 6655 with a 2.66 GHz Dual-core Pentium-D 805, 1 GB PC4200 DDR2 RAM, 250 GB PATA drive, a Samsung 17 inch LCD monitor, and a Canon Pixma MP160 All-In-One photo printer-scanner-copier. She had this on a computer cart in her sewing room for about a year, but she obtained an auction-acquired Dell D810 laptop as her machine for a while, and this PowerSpec 6655 is now the house server at the TreeHouse, providing backup storage for various machines and a customized internal web site with links to family information and local data sites.

Her second laptop was a cute little 2-pound Acer Aspire One 10.5" Netbook, with a 1.6 GHz Intel Aton N270 processor, 250 GB hard drive, and Windows 7, but now she has a state-of-the-art Lenovo Yoga 13, a dual-mode convertible touch-screen laptop/tablet running Windows 8.1, and she loves it.

 

In my basement office in the Family TreeHouse where the network hub is, I run my main workstation, the sandbox machine, the Powerspec 6655 house server, and occasionally my work-owned Dell Latitude E6430 laptop off a Belkin FIDZ104T 4-port KVM (keyboard-video-mouse) switch, that lets me share my monitor, a Logitech trackball, and a generic keyboard among up to four machines.  Saves space, and is very convenient.

 

INFRASTRUCTURE

The TreeHouse infrastructure supporting all this is a bit more elaborate than most, and even the Ballot Box infrastructure has some handy aspects to it...

I've installed CAT5 Ethernet cable throughout the house, all terminating at a home-grown distribution panel .  I've run nine drops so far at the TreeHouse and five at the Ballot Box, with a few more to go for completeness.  In most of those places I've also run broadband cable TV and phone lines, with all three terminating in a single junction box with a triple-socket cover-plate holding one connector for each type of cable.  I bought all my cable, connectors and stuff from You-Do-It Electronics in Needham MA, a great place to shop - pure heaven for techno-nerds!!   All the drops collect in one spot where the distribution panel is, and the panel is fed by my Comcast-supplied SMC D3GNV cable modem that gives me unbelievable, stupendous, incredible, high-speed 24-hour access to the internet.

Connected to the cable modem is a LinkSys WRT54G 4-port plus wireless 10/100 Mbps broadband router that allows me to share the cable-modem connection with all the computers in the house. Naturally, I have encryption enabled on the wireless portion of the router.

Also connected to the cable modem is a Netgear DS116 16-port switch/hub that allows me to connect up to sixteen wired computers to the cable modem simultaneously.

HP 4050nSitting on the network and accessible to all house network computers (permanent or visiting) is an HP 4050N LaserJet Network printer I bought at auction for $51. It was hardly used at all after 5 years of ownership (~1100 pages printed, toner cartridge was 7/8th full). I had a dickens of a time figuring out how to reset the IP address for the ethernet network connection, but once I did it was trivial to get any and all computers printing to it.

 

Now that we own a second house up in Maine, I've duplicated the IT infrastructure up there, where we're attached to Time-Warner RoadRunner broadband cable ("Standard" service, 12.5 Mbps downstream, 0.5 kbps upstream). There's a house server (the no-name Pentium 4) running Windows Server 2003 and hosting an internal web site with local information, a Linksys WRT54G wireless router connected to the cable modem, another HP 4050N LaserJet Network printer, and everything's configured to match the setup at the TreeHouse, so we fire up our laptops up there, and the wireless SSID and access code is the same, the printer network address is the same, the local house web site address is the same. Works like a champ! I've also got a few Foscam FI8910W wireless webcams pointing out windows onto the front lawn and the deck so we can keep track of comings and goings!

 

Happy Computing! And remember: There are 10 kinds of people in the world, those who understand binary, and those who don't!

 

 

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