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Article #13878

Re: reboot a PAL machine into NTSC

#13878
From: Pekka Pessi
Date: Fri, 23 Feb 1990 17:17
17 lines
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In article <3313@pikes.Colorado.EDU> bscott@pikes.Colorado.EDU (Ben M Scott) writes:
>much bigger glitch than when switching NTSC to NTSC.  How can the 1084 scan
>PAL with a 60 hz power supply?  Kramden SI reports the VBI as 50 hz, AND
>the Power supply frequency as 50 hz too.  Another interesting note:  ECSTest
>reports the Agnus is still in NTSC mode.  Of course, this was the same program
>that spelled it "NTCS", so what do you want to believe?  

	Story tells that it is cheaper to make monitors (and TeeVees)
	that have the both scan rates. Anyway, I think it is
	sufficient that the line frequency is the same 15625 Hz.

	ECSTest tests the "TEST" signal which is grounded for NTSC
	machines, it doesn't check for video modes.

--
Pekka Pessi		ppessi@niksula.hut.fi		Puh. (90) 455 4757
JT 11E122, 02150 Espoo
Technical Details
Message-ID: <PPESSI.90Feb23191728@tko-sony-18.hut.fi>
Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!usc!ucsd!ucbvax!bloom-beacon!eru!luth!sunic!tut!santra!santra!ppessi
References: <9002181052.AA03247@virgo.tau.ac.il> <1990Feb20.013713.12554@agate.berkeley.edu> <82.25e0fe73@intersil.uucp> <1990Feb21.054255.20904@agate.berkeley.edu> <3313@pikes.Colorado.EDU>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!usc!ucsd!ucbvax!bloom-beacon!eru!luth!sunic!tut!santra!santra!ppessi
From: ppessi@niksula.hut.fi (Pekka Pessi)
Newsgroups: comp.sys.amiga.tech
Subject: Re: reboot a PAL machine into NTSC
Message-ID: <PPESSI.90Feb23191728@tko-sony-18.hut.fi>
Date: 23 Feb 90 17:17:28 GMT
References: <9002181052.AA03247@virgo.tau.ac.il>
 <1990Feb20.013713.12554@agate.berkeley.edu> <82.25e0fe73@intersil.uucp>
 <1990Feb21.054255.20904@agate.berkeley.edu> <3313@pikes.Colorado.EDU>
Sender: news@santra.uucp (Cnews - USENET news system)
Organization: Helsinki University of Technology, Finland
Lines: 17
In-Reply-To: bscott@pikes.Colorado.EDU's message of 21 Feb 90 10:10:31 GMT