Premium Only Content
EEVblog #645 - TRS-80 Model I Retro Computer Teardown
Dave looks inside the most popular microcomputer of the 1970's, the Radio Shack / Tandy TRS-80 Model I
And also a look at the TRS-80 Model 102.
Bonus EMI testing for fun.
Bonus rant on how slow the Tektronix MDO3000 is in RF mode.
TMS4116 16Kb DRAM:
http://www.datasheetarchive.com/dlmain/Datasheets-37/DSA-731104.pdf
Level II BASIC Reference Manual
http://www.1000bit.it/support/manuali/trs/Level%20II%20BASIC%20Reference%20Manual%20%281979%29%28Radio%20Shack%29.pdf
Service Manuals & Schematics: http://www.eevblog.com/files/TRS80model1/
Forum: http://www.eevblog.com/forum/blog/eevblog-645-trs-80-model-i-retro-computer-teardown/
Teardown photos: http://www.eevblog.com/2014/07/29/eevblog-645-trs-80-model-i-retro-computer-teardown/
EEVblog Main Web Site:
http://www.eevblog.com
EEVblog Amazon Store:
http://astore.amazon.com/eevblogstore-20
Donations:
http://www.eevblog.com/donations/
Projects:
http://www.eevblog.com/projects/
Electronics Info Wiki:
http://www.eevblog.com/wiki/
-
16:07
EEVblog Channel
2 years ago $0.05 earnedEEVblog 1586 - Stranger Things Decade Resistor Box + Repair
6523 -
LIVE
Dr Disrespect
6 hours ago🔴LIVE - DR DISRESPECT - ARC RAIDERS - SKILL TREE EXPERT
1,873 watching -
5:49
Buddy Brown
5 hours ago $2.36 earnedI Tried to WARN YOU Congress Would SNEAK It In! | Buddy Brown
11.7K11 -
LIVE
LFA TV
20 hours agoLIVE & BREAKING NEWS! | WEDNESDAY 12/17/25
1,192 watching -
1:12:53
vivafrei
3 hours agoEulogizing My Pup Pudge; Did Ilhan Omar Commit Immigration Fraud? Brown Shooting Debacle AND MORE!
60.4K38 -
1:02:58
Russell Brand
5 hours agoDoes the Bible Foretell Today’s Conflicts? — Dinesh D’Souza - SF664
92.2K17 -
19:05
Cash Jordan
6 hours agoIllegals “DISMANTLE” LA Gated Mansions... Millionaires HOMELESS as Looters Take REPARATIONS
25.7K72 -
1:01:29
The Tom Renz Show
2 hours agoSusie Wiles vs Vanity Fair vs Truth
13.3K6 -
LIVE
Film Threat
1 day agoFUNERAL FOR A FRANCHISE: STAR TREK - A SPECIAL GLOBAL EVENT | Film Threat Live
181 watching -
1:02:04
Jeff Ahern
3 hours ago $0.99 earnedNever Woke Wednesday!
19.8K4