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Author Topic: GBS-8220 Why not work Ami vga modes  (Read 5978 times)

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Offline Marcin1982Topic starter

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GBS-8220 Why not work Ami vga modes
« on: March 23, 2013, 03:10:20 PM »
why not work in this chinese scandoubler ,  multiscan super72 euro72 and other Amiga vga modes?
PAL modes work excellent
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Offline Marcin1982Topic starter

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Re: GBS-8220 Why not work Ami vga modes
« Reply #1 on: March 23, 2013, 05:23:46 PM »
Quote from: ral-clan;730079
Maybe because the GBS-8220 is meant to convert 15-16 KHz modes to 30-35 KHz modes?   When the Amiga is in VGA-only driver mode it's sending a 30KHz signal out of its RGB port.  The 8220 probably doesn't "understand" how to deal with a signal at that frequency.


probably yes
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Offline Marcin1982Topic starter

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Re: GBS-8220 Why not work Ami vga modes
« Reply #2 on: March 24, 2013, 07:06:35 PM »
but my monitor not work with "PAL" modes and amiga games works only in PAL
that i used gbs  . In games video is great in this chinese GBS but in system is wrong :)
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Offline Marcin1982Topic starter

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Re: GBS-8220 Why not work Ami vga modes
« Reply #3 on: March 25, 2013, 07:51:46 PM »
chaos lord gbs-8220 is really good best at all converter rgb vga to amiga pal games work excellence in my EIZO 1701 but my question is why this converter is not passtrough for amiga vga modes
maybe is hack for this problem  ,, sorry for my english !! is not perfect :)
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