AmigaActive (2013/2347)

From:Andrew Deacon
Date:26 Mar 2001 at 18:00:09
Subject:Re: Minor Mousewheel probs?

Hi,

> > You need to change your Punchinello startup line in s:User-Startup to
> > something like
>
> > C:PunchinelloMK2.driver FREQ=30
>
> > It's cos you're using a gfx card and not AGA ...
>
> It's not quite as simple as that ;^)
>
> If you're using PAL, with or without a scandoubler, you need to use 15 or 16;
> If you're using DblNTSC or DblPAL you'll need something around 29;
> Productivity needs 30 / 31-ish;
>
> Graphics cards are trickier still - because the critical factor is the state
> in which the Gfx Card software leaves the AGA chips:
> "Out of the box", most Gfx Card software leaves the AGA chips running at
> 15KHz - but there are hacks for CGfx3, and (I think) tooltypes or
> environment variables for P96 and CGfx4, which increase the AGA frequency to
> improve sound quality (!)
>
> The key is basically experimentation!

No wonder I had trouble when I set it to 30, I guess 15 should be
about right then but i'll check my CGX settings just in case.
Actually if I have got some sort of patch running it may explain why
my scandoubler was very unstable. It works fine on my vaniila 1200
with the same monitor.

Thanks



Amiga A1200T(Power Tower), Blizzard PPC 603e+ 200mhz,
68060 50mhz, 2+96mb RAM, BVision (Permedia2 3D),
4.3gb 3.5" IDE HD,36*IDE CDROM, Magic Exp. 56k Modem,
Twister MK2, Iiyama VM403 17", Zip 100 Internal IDE,
Epson Stylus Photo 870.

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