Diff: MiscHardwareNotes

Differences between current version and predecessor to the previous major change of MiscHardwareNotes.

Other diffs: Previous Revision, Previous Author, or view the Annotated Edit History

Newer page: version 20 Last edited on Thursday, August 6, 2009 12:32:17 pm by BruceKingsbury
Older page: version 17 Last edited on Friday, July 1, 2005 8:07:25 pm by ElroyLiddington Revert
@@ -28,4 +28,10 @@
 ! Most External Serial Dynalink Modems (Older models i.e. >= 33.6k) 
 These may use [AC] (as opposed to [DC]) power supplies - some other devices don't like this :) 
+! Monitor Burn-in  
+Old CRT monitors and early plasma screens used to suffer from burn-in; if the same image was displayed on the screen for a long time it would eventually become permanently burned into the phospor. Screensavers were invented so that the monitor would have a constantly changing image to display and thus be 'saved' from burn in. On newer CRT monitors and LCD displays burn-in is not a factor.  
+[[The emac pictured below is switched OFF. the clearly visible message you see on the screen is burn-in]]