Multisync monitor: Difference between revisions

Revision as of 23:52, 16 August 2020

Revision as of 00:00, 17 August 2020

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The first multisync monitor - the NEC Multisync - was released in 1985 to provide support for CGA, EGA, the various extended forms of those standards marketed by third party vendors, and standards yet to be released.<ref name=":1">{{Cite book|last=Inc|first=InfoWorld Media Group|url=https://books.google.com/books?id=mTwEAAAAMBAJ&lpg=PA61&dq=multisync&pg=PA61#v=onepage&q&f=false|title=InfoWorld|date=1986-10-27|publisher=InfoWorld Media Group, Inc.|language=en}}</ref>

IBM's 1987 [[Video Graphics Array|VGA]] standard, in turn, expanded to three fixed scan rates. PC owners with multiple graphics cards required unique monitors for each of them,<ref>{{Cite andbook|last=Inc|first=InfoWorld inMedia allGroup|url=https://books.google.com/books?id=YToEAAAAMBAJ&lpg=PA39&dq=dual-sync%20EGA&pg=PA39#v=onepage&q&f=false|title=InfoWorld|date=1988-08-22|publisher=InfoWorld Media Group, Inc.|language=en}}</ref> and by the late 80s all of the below standards required uniquemonitors with specific fixed-frequency monitorssupport:

# [[PAL]], [[NTSC]], [[Color Graphics Adapter|CGA]]: ~15.7 kHz horizontal scan, 50 or 60 Hz vertical scan