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White Screen / Green screen

Computer Collector

Experienced Member
Joined
Jan 22, 2005
Messages
283
My TRS-80 model 4 has white letters on a black background. I know that other TRS-80s had green letters. Which one is more rare? Why did Tandy release 2 different screen types? Are the model numbers different?

-just curious
 
The green screen is supposed to be easier on the eyes, but they cost more. IIRC, Trash-80s all came with white phosphors, but after-market green (& amber) CRTs were available.

--T
 
i got this from Ira's trs80 site:

Non-Gate Array Model IV
(Catalog 26-1069)
Black and White picture tube, non-clustered arrow keys, non-integrated RS232 and disk controllers. The RS-232 port faces the bottom of the unit.

Gate Array Model IV
Catalog 26-1069A
Green picture tube, clustered arrow keys, integrated RS-232 and disk controllers. The RS-232 port faces the back of the unit.


chris
 
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