Wow - I remember those - had the "screensaver" logo reverse burned into the 
phosphorous <?> layer for ever and ever amen

Chris Hoelscher
Technology Architect, Database Infrastructure Services
Technology Solution Services
Humana Inc.
123 East Main Street
Louisville, KY 40202
Humana.com
(502) 476-2538 or 407-7266


-----Original Message-----
From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On Behalf Of 
Elardus Engelbrecht
Sent: Tuesday, April 30, 2019 9:31 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: [IBM-MAIN] Upper case for ISPF and SDSF

Vernooij, Kees wrote:

>When I started, also the terminals we used for online access (TSO, IMS etc.) 
>were uppercase only. I don't know why, maybe because dual case were not 
>available, cost more, were not necessary?

Perhaps you're refering to those 3279 and similar IBM 3270 display terminals? 
Those heavy toys have 3 blue switches, one for Normal/Test, one for 4 or 2 
colours and lastly one which switch from A,a to A or vice versa.

From 
https://nam03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FIBM_3270&amp;data=02%7C01%7Cchoelscher%40humana.com%7Ce251ffe943494f0c3b9b08d6cd70278d%7C56c62bbe85984b859e511ca753fa50f2%7C1%7C0%7C636922278950307159&amp;sdata=rl5Lh5OObsmE%2B7GLxThbipzOoUeYxUgNnsZGHPnGswg%3D&amp;reserved=0
 I see this note:

"3270 character set" [ This set contains both lower and upper case letters ]

"On the 3275 and 3277 terminals without the a text feature, lower case 
characters display as uppercase."
 
Kees, are you perhaps refering to those 3275 or 3277 terminals?

I am for once glad we don't have those terminals. It is a nightmare to carry 
them around and they will break these flimsy tables we now have... ;-)

Groete / Greetings
Elardus Engelbrecht

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