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Cracking Open the Radio Shack TRS-80 Model 4P

by Mark Kaelin | 03-25-08

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

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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 TechRepublic Cracking Open Photo Gallery reveals how the TRS-80 Model 4P improved upon the initial luggable design to takes its place in the history of portable personal computers.
                                                                                         

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Play "What's that chip do?"Mark W. Kaelin Techrepublic | 03/25/08
Picture 28kheard1@...  | 03/26/08
Picture 28 chip isn't seatedTerabyte Computer  | 04/01/08
I thought the same thingMark W. Kaelin Techrepublic | 04/01/08
upper memory bankjan80trs@...  | 04/01/08
Wow!Gnuggs  | 04/16/08
not my cup of teanrmullins@...  | 04/17/08
Crack the Bios Chip, U82, Pic 26wbutler559@...  | 04/16/08
Remember the Cassette backups?Conexxions  | 04/17/08
Yes the old tape recorder/playerGVernon  | 04/17/08
SMC Floppy Disk Controller, Picture 32rick@...  | 04/20/08
No hard drive?BALTHOR  | 03/26/08
Yes, Hard Drivemanfred@...  | 04/01/08
(almost) unlimited storage capacity...mauriceb@...  | 04/17/08
An external HD was optional.deepsand  | 04/03/08
What Hard Drive? 16 inch 20 lbs 5megswbutler559@...  | 04/16/08
Picture 1jan80trs@...  | 04/01/08
RE: (Cracking Open the Radio Shack TRS-80 Model 4P)regolf@...  | 04/01/08
RE: (Cracking Open the Radio Shack TRS-80 Model 4P)williamjamesw@...  | 04/02/08
It's a monochrome display!dupuy@...  | 04/16/08
RE: (Cracking Open the Radio Shack TRS-80 Model 4P)OldGeezer@...  | 04/15/08
It actually does show the power supply cage.deepsand  | 04/15/08
Picture 36/37 is not for power but the electronics of the CRTjason.short@...  | 04/16/08
Chickened outMark W. Kaelin Techrepublic | 04/17/08
It was still under warranty?deepsand  | 04/17/08
RE: (Cracking Open the Radio Shack TRS-80 Model 4P)greghartman@...  | 04/16/08
RE: (Cracking Open the Radio Shack TRS-80 Model 4P)petrasys@...  | 04/16/08
RE: (Cracking Open the Radio Shack TRS-80 Model 4P)trygstad  | 04/16/08
Hey, I still have one of these!propaint@...  | 04/16/08
Using TRS-DOS/LS-DOS was a problem?deepsand  | 04/16/08
My first PCbarakaat@...  | 04/16/08
That other OS was CP/M.deepsand  | 04/16/08
TRSDOS was ny first PC OSsweber@...  | 04/17/08
Mod II, 12 or 16?deepsand  | 04/20/08
RE: (Cracking Open the Radio Shack TRS-80 Model 4P)chuck.tomasi@...  | 04/16/08
Would love to see itMark W. Kaelin Techrepublic | 04/17/08
RE: (Cracking Open the Radio Shack TRS-80 Model 4P)jkstill  | 04/16/08
RE: (Cracking Open the Radio Shack TRS-80 Model 4P)dgritten@...  | 04/16/08
Brings back memoriestechbyte@...  | 04/16/08
RE: (Cracking Open the Radio Shack TRS-80 Model 4P)gsbarton@...  | 04/16/08
RE: (Cracking Open the Radio Shack TRS-80 Model 4P)hlhr@...  | 04/16/08
All I need is one to work onMark W. Kaelin Techrepublic | 04/17/08
RE: (Cracking Open the Radio Shack TRS-80 Model 4P)ka5s@...  | 04/17/08
RE: (Cracking Open the Radio Shack TRS-80 Model 4P)franmill@...  | 04/17/08
RE: (Cracking Open the Radio Shack TRS-80 Model 4P)pdelbauve@...  | 04/17/08
RE: (Cracking Open the Radio Shack TRS-80 Model 4P)mikesmccurdy@...  | 04/17/08
Wonderful Operating Systemsantiago@...  | 04/19/08
prophesyglenn.lockwood@...  | 04/20/08
RE: (Cracking Open the Radio Shack TRS-80 Model 4P)jimmcfall@...  | 04/20/08

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