trs-80 model 4p

TechRepublic Resources

• sort by:
• Relevance
• Date
• Popularity

Cracking Open the Radio Shack TRS-80 Model 4P

While the Osborne 1 claims to be the word's first self-contained portable personal computer, the Radio Shack TRS-80 Model 4P can lay claim to being one of the next generation of portable computers. Eerily similar to the Osborne 1, the Model 4P made major strides in construction and usability. This...

Tags: Cracking open, trs-80 model 4p, personal computers, off topic, geekend

Image galleries 2008-03-25

The Osborne 1 is now in a Cracked Open Photo Gallery

Recently, I published an entry in the TechRepublic Classics Rock blog on the Dinosaur Sightings Photo Galleries of the Osborne 1 and the TRS-80 Model 4P personal computers. Well, now I have taken the next step -- I have just published a Cracking Open Photo Gallery of the Osborne 1....

Tags: Power Management, PC, Photograph, Chip, Osborne 1, TRS-80 Model 4P, Desktops, Productivity, Semiconductors, Hardware, Mark Kaelin

Blog posts 2008-03-19

Additional Resources

The cracked open TRS-80 Model 4P has its day in the sun

Last week I published a TechRepublic Cracking Open Photo Gallery of the Osborne 1 personal computer. This week, the Radio Shack TRS-80 Model 4P gets the cracking open treatment. The TRS-80 Model 4P was the next generation of the luggable computer. The Model 4P is better constructed...

Tags: Computer, Model 4P, Productivity, Mark Kaelin

Blog posts 2008-03-26

Dinosaur sightings: The Osborne 1 and the TRS-80 huggable luggables

While we have spent a good bit of time discussing the pros and cons of the Apple MacBook Air, there are other portable computers we could be talking about, namely, the Osborne 1 and the TRS-80 Model 4P. by Mark Kaelin

Tags: Dinosaur sightings, off topic, geekend, Osborne, trs80, portable computers

Image galleries 2008-03-13

The Osborne 1 and the TRS-80 Model 4P exposed

Sure there has been lots of discussion of the Apple MacBook Air and its so-called innovations, but the real computer innovation occurred almost 30 years ago with the Osborne 1 personal computer. When it hit the market in 1981, the Osborne 1 started a revolution that the...

Tags: Innovation, TechRepublic Inc., PC, Computer, Productivity, Mark Kaelin

Blog posts 2008-03-14

Dinosaur sightings: The Radio Shack TRS-80 Color Computer (CoCo)

Before Microsoft and Bill Gates took control of the personal computer market, personal computers such as the Radio Shack TRS-80 Color Computer aka CoCo were all the rage. The Model 3134 TRS-80, shown in this TechRepublic Photo Gallery, ships with a whopping 16K of RAM memory. Our TRS-80 CoCo is...

Tags: TechRepublic Inc., Computer, Productivity, Desktops, Hardware, Mark Kaelin, geekeTRS-80, radio shack, dinosaur sightings, off topic, geekend

Image galleries 2008-01-29

Cracking open the Radio Shack TRS-80 Color Computer (CoCo)

The Radio Shack TRS-80 Color Computer was one of the first personal computers to have wide acceptance. In this TechRepublic Cracking Open Gallery we take a look at what is inside this personal computer dinosaur. by Mark Kaelin

Tags: TRS-80, radio shack, cracking open, off topic, geekend, TechRepublic Inc., Computer, Productivity, Desktops, Hardware, Mark Kaelin

Image galleries 2008-01-31

Back to the Future?

Going to lunch today, I passed one of those trendy little furniture stores in the shopping center where the restaurant was. In the display window, they had a very nice, and I presume very expensive, computer desk ensemble. You've seen the type - a corner unit complete with printer stand,...

Tags: Printers, Cyberthreats, computer

Blog posts 2005-07-13

What to do with old CPUs

My first computer was a TRS-80 Tandy Radio Shack in 1985. Currently, I even have an old 286 Compaq "portable" hardly a laptop paperweight that still works well that I used in college in the 90s. The AC adapter, alone, weights about two pounds!A

Tags: donating, cpus, recycling, Goodwill Industries, gln265@..., CPU, old CPU, off-topic, old, hardware, donation, computer

Discussion threads 2006-10-15

(Photos: Dinosaur Sightings - SPARCstation Collection)

Where's the SPARCstation 10...?IMPRESSIVE Collection indeed, but I was disapponted that you had no SPARCstation 10. Knowing what a Geek I am, my wife bought a complete system for me on eBay (SPARCstation 10 with SM31 processor and 64 MB RAM, Monitor, Keyboard, Mouse and Solaris 7). I later inherited...

Tags: SPARCstation 10, solaris 7, solaris 8, amiga 1000, sun, ppeirce@..., it management, Sun Solaris, operating system, photograph, MB RAM

Discussion threads 2006-07-29

Dinosaur sightings - old-school computer hardware

From ENIAC to RadioShack's TRS-80, this gallery contains photos of the outdated computer hardware that fills museums, supply closets, storage lockers, and techie basements everywhere. by Bill Detwiler

Tags: TechRepublic Inc., Computer Hardware, Computer, Productivity, Storage, Hardware, Bill Detwiler, dinosaur sightings, old computers, off topic, gallery, Floppy Disk, Apple Inc.

Image galleries 2007-05-25

TR Out Loud - Feb. 22, 2008

In an unseen turn of events, Beth Blakely was out this week with something incredibly nastier than a hangover. However, the show must go on! For this episode of TR Out Loud, I twisted the arm of a TR colleague to sub in for Beth (yes, you...

Tags: TR, Podcasts, Linux, Web Browsers, Internet, Operating Systems, Software, Sonja Thompson

Blog posts 2008-02-22

Using the "80-20 rule" to help set priorities

I use the 80-20 rule all the timeI use the 80-20 rule extensively, and have done for years. The version of the rule that applies to us is that 80% of the result takes 20% of the effort. The final 20% of the result will require 80% of the effort.Following...

Tags: PRODUCTIVITY, williaa6@...

Discussion threads 2007-09-25

printer problem on windows xp pro

I hope someone can help me...The thing is that one day an error prompted a couple of times about not reading memory always when I was shutting down my computer and I can not print since then. Before that I had no problem!My computer can not find the printer (HP...

Tags: feedback, hardware, karinsd@..., memory, Microsoft Windows XP, networking, printer, pro, problem, software, troubleshooting, win, windows, xp

Discussion threads 2006-10-23

Photos: Dinosaur sightings - old-school computer hardware

How I wanted one of these SinclairsMan I remember back in the day wishing I could afford one of these little Sinclairs. But that was before I heard how difficult typing on the touch-keypad was.Amazing how much more powerful a computer you can get these days for the money.I've...

Tags: computer, computer hardware, dinosaur, hardware, photograph, RexWorld, sinclair, Sinclair Z80

Discussion threads 2005-08-24

Baby stories: Why are you a developer today?

Were you destined to become a developer, or did you just fall into it? What got you started? Join our discussion and share your story.If you ask a child that classic question, "What do you want to be when you grow up?" you'll get a variety of answers: firefighter, astronaut,...

Tags: PRODUCTIVITY, Development tools, Lamont Adams, Super Star Trek, developer, programming book, programming, computer

Technical articles 2002-01-08

Photos: Dinosaur sightings - old-school computer hardware

Spectrum ZX +The Spectrum ZX Plus was the first home computer I purchased back in 1984,just before Christmas.This Sinclair brainchild was excellent in that it displayed in colour,came with a portable tape deck,and simply pluged into the television.The tape-disc games came by the bucket load,and usually took ages to install.Chuckie...

Tags: computer, computer hardware, Dinosaur Sightings, hardware, Neil Higgins, photograph, SPECTRUM

Discussion threads 2005-08-26

Using the "80-20 rule" to help set priorities

In a previous blog, Joe Rosberg discussed the "importance vs. urgency" matrix, as explained by Steven Covey. Another useful tool for setting priorities is the "80-20" rule. I first learned about it years ago, from a book entitled How to Get Control of Your Time and...

Tags: Help Desk, Call Centers, It Operations, Calvin Sun

Blog posts 2007-09-24

Email Port Blocked.

We are having this problem with only on section of our network which unfortunately is a workgroup. This section of the network goes from our firewall to a fiber converter to a netgear 16 port unmanaged switch to another fiber conver to linksys 24 port unmanaged switch and from there...

Tags: Network technology, jjergins@..., fiber, fiber converter, POP3, SMTP, Telnet, network, e-mail

Discussion threads 2007-08-23

TR membership

Just curious, what is the current level?What do active members think of TRs changes so far?My input: I think they are doing a great job, battling all odds.TR has come a long wayHaving been in IT since the beginning (1979) when it was fina

Tags: Semiconductors, Kiltie

Discussion threads 2006-11-19