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

by Mark Kaelin | 01-31-08

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

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The next big chip is a trigger inverter (yeah, I don't know exactly what that means either). I'm not sure what the small chip beneath it does, but I can tell you all of these chips are available to buy.

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Ahhh, I wish I was young againAllezzam | 02/01/08

Next VictimPickle | 02/01/08

Next Victim 2panelshop | 02/04/08

Luggable Computerspmseng@... | 02/05/08

Luggable Computerwmarvel@... | 02/12/08

IBM 5100alvin@... | 02/13/08

Compaq Luggablechad_forte@... | 02/13/08

2400 baud modem- what luxury!!ascott@... | 02/14/08

Luggable Computersjel@... | 03/05/08

I still have oneRknRlKid | 03/12/08

The Commodore 64 is on the wayMark W. Kaelin

| 02/05/08

The ultimate in futuristic 70's computing - The PETtony.moir@... | 02/13/08

And the masocistically small keyboardt.rohner@... | 02/15/08

but for real masochismawgiedawgie | 03/24/08

Sharp 1502 keyboardt.rohner@... | 03/25/08

Let's see an Atari 800dhb911@... | 02/16/08

Dancing Robotstlang@... | 02/13/08

Best Manual Everwebservant2003@... | 04/29/08

Re : Best Manual Everos9dude@... | 04/29/08

Selling Tandysurabin@... | 02/13/08

RS Model 100/102jcousins@... | 02/13/08

Model 100 Acoustic Couplercarney@... | 02/14/08

TRaSh-80graham.hemsworth@... | 02/13/08

Early TRS-80philip.meadway@... | 02/14/08

Better DOSjames@... | 02/14/08

Nope Switched to LDOSrdmallory | 02/14/08

Level II basic?172pilot@... | 02/25/08

Those were the daystechrepublic@... | 02/13/08

man, were they evermallen1@... | 04/07/08

Next Victim 3edgarwk@... | 02/13/08

Hot coco, peeks and pokesbuffalocomputer@... | 02/14/08

"Vitamin E" POKEos9dude@... | 02/14/08

poked savesbuffalocomputer@... | 02/16/08

Coco 3 trickskb0pgo@... | 02/14/08

Very Good Unit , Worked Well For Its Timejohn_e_uselton@... | 02/14/08

Software Freakdimple@... | 02/19/08

Poke locationssmoovious@... | 02/27/08

I was immediately hookedCagedMonkey | 03/18/08

My Firstdrdefcon@... | 03/25/08

Atombrad@... | 11/02/08

Atomdrdefcon@... | 11/03/08

Still have my CoCokheard1@... | 03/26/08

RE: TRS-80 CoCo The love of my lifedon.gulledge@... | 02/01/08

Agreed... Simply awesome!172pilot@... | 02/13/08

I Second the Awesomereshea@... | 02/14/08

I'll second that too...John Dickey | 02/28/08

I will third that!dimple@... | 03/03/08

CocoLives...John Dickey | 03/05/08

CoCoLives.comdimple@... | 02/19/08

Definitely NOT a Coco Ijohnculbertson@... | 03/13/08

6809E is a work of artjoeshields@... | 02/13/08

Really fine little boxacklin@... | 02/14/08

6809E Assemblerdaniel.dynan@... | 02/15/08

Yep - Assembly the way it was supposed to be..172pilot@... | 02/18/08

Motorola rocked back then!dimple@... | 02/19/08

6809 ideal for Forth codet.rohner@... | 11/05/08

Was one of the few die hardspclabtech@... | 03/24/08

The "cage" around the power supply...turbinepilot | 02/01/08

Yes, the cage is an EMI shieldsseifert@... | 02/12/08

ShieldingDNSB | 02/13/08

More the displaymeski.oz@... | 02/13/08

I see it the same wayt.rohner@... | 02/13/08

Don't discount the safety aspect!jminyard@... | 02/14/08

Come on, it's only 110V in your area...t.rohner@... | 02/15/08

Keyboard "click - click"dfarrich@... | 02/13/08

Join us for Chicago CoCoFest 2008!alsplace@... | 02/01/08

Re: What other ancient piece...seanferd | 02/04/08

Tandy Model 1paulswa@... | 02/14/08

The TRaSh 80 Changed My Lifebristolridge@... | 03/12/08

What, no extended color basic ROM???bboswell@... | 02/06/08

And who remembers the Extended Basic hack?rscarazzo@... | 02/14/08

Oh yes... the eprom burner...

172pilot@... | 02/18/08

RE: What other ancient piece...gtimandan@... | 02/08/08

Re: What other Ancient Piece...steve.siedentop@... | 02/13/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo)os9dude@... | 02/12/08

InterestingMark W. Kaelin

| 02/12/08

Last I checkedmtgarden | 02/13/08

Interestingnerdizer | 02/13/08

The inverted triggerSorinD | 02/14/08

40-pin schmitt trigger?ascott@... | 02/14/08

This is the SAM chip...os9dude@... | 02/14/08

SAM was a cool fellow...172pilot@... | 02/18/08

Careful with that ribbon cablejminyard@... | 02/14/08

CoCo2 or 3?pclabtech@... | 03/24/08

FYI -- Radio Shack TRS-80 Color Computerhdneubauer@... | 02/13/08

Not all CoCo I's had chicklet keyboardsbboswell@... | 02/14/08

May even be a CoCo-3 keyboard... .. .smoovious@... | 02/27/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo)jruzick@... | 02/13/08

Timex Sinclair ZX80randy58@... | 02/13/08

Please elt me adopt your zx80!!marian13 | 02/13/08

ZX80philip.meadway@... | 02/14/08

ZX80webservant2003@... | 04/21/08

Cassette...172pilot@... | 02/13/08

CLOAD"*" = make sandwich, LOAD"*",1 = complete lunch breakos9dude@... | 02/14/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo))wolfgang@... | 02/13/08

Original Bookcecilbeanie2@... | 02/13/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo))dsands_cal@... | 02/13/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo))chuck... | 02/13/08

TRS 80jelmont1@... | 02/13/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo))dreux.grever@... | 02/13/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo))ted@... | 02/13/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo))keathrhymer@... | 02/13/08

Old tech rocksseanferd | 02/13/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo))tekmeat@... | 02/13/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo))woodyaz@... | 02/13/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo))techrepub@... | 02/13/08

Those were the daysgerber-ed@... | 02/13/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo)s.perry@... | 02/13/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo))jlapp@... | 02/13/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo))dcook@... | 02/13/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo))lylejk@... | 02/13/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo)abuttery@... | 02/13/08

The keyboardCagedMonkey | 02/13/08

Those were the days!Jon N | 02/13/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo)mike@... | 02/13/08

FYI: TRS-80 CoCo and UNIXdocflash@... | 02/13/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo))CagedMonkey | 02/13/08

Maxed Co-Co 3Oreamnos_americanus | 02/13/08

more maxed CoCo 3wordmaster1 | 02/13/08

Double Check the Keyboard Ribbonbintekster@... | 02/13/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo)luisp@... | 02/13/08

IBM PCjrthansen@... | 02/13/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo))ltoribio0@... | 02/13/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo)themurray512@... | 02/13/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo))rcottrell88@... | 02/13/08

Hot CoCo Magazinejeff@... | 02/13/08

enemies no longer (GRIN)Tech Locksmith | 02/15/08

Hot CoCo!!!dimple@... | 02/23/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo)margjos@... | 02/13/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo))ajv@... | 02/14/08

Who remembers the IBM PCjr?odracyr@... | 02/14/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo)kb0pgo@... | 02/14/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo)dlwm@... | 02/14/08

And then I upgraded to the Tandy 1000TXibsteve2u | 02/14/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo))coyhb@... | 02/14/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo))jason.gay | 02/14/08

I thought this was TECHrepublic ( + Nostalgia )Zenith545 | 02/16/08

where is Rainbow today?Tech Locksmith | 02/17/08

Rainbow ruled!172pilot@... | 02/18/08

Rainbow Rules!CagedMonkey | 04/29/08

Basics rule!os9dude@... | 04/30/08

Basics rule!CagedMonkey | 05/01/08

Me tooMark W. Kaelin

| 02/20/08

BIG METAL CAGE SOLVED !!!williamevetter@... | 02/17/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo))michael.burgess@... | 02/21/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo))kgwhite | 02/22/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo))vxavier@... | 03/11/08

Ah Those Were the DaysAl_Fresco | 03/11/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo))redpigg@... | 03/14/08

TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo))CagedMonkey | 03/14/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo))promptjock@... | 03/14/08

TRS-80-IIpreviso@... | 03/17/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo)jmhintz@... | 03/24/08

Timex SinclairCagedMonkey | 03/25/08

ZX & CoCo were life-changinghines1957@... | 03/31/08

RE: TRS-80 CoCo (Cracking open the Radio Shack TRS-80 Color Computer (CoCo))joergsattler | 03/26/08

4KBwebservant2003@... | 04/21/08

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

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