Ok, reducing the Pixel rate in the mdf works perfectly Thanks again Tony! Best Regards, Uwe
---- Uwe schrieb ---- >@Tony: thanks a lot! I tried to change the bandwidth value manually, but it >had no effect. Setting it as default on startup is a better idea! >Ok, tried to change upon startup, but again, no effect. I'll check the mdf >timing values and older posts, too, thanks for the reference. > >Uwe > > >---- Tony Moore schrieb ---- > >>I sent this an hour ago but so far nothing has come back. >>Apologies if you have alredy seen it. >> >>On 2 Aug 2016, Uwe <[email protected]> wrote: >>> ---- Tony Moore schrieb ---- >>> > On 2 Aug 2016, Uwe <[email protected]> wrote: >>> > >>> > > Hi can anyone tell me why this mode is not available in the mode >>> > > selection? (Version 0.8.12) >>> > >>> > You need a 1920x1200 Mode Definition File. Google found one at >> >>[snip] >> >>> > I've no idea if it will work, but it's worth trying. The location of >>> > the MDF files in !Boot depends on the RO version (which you don't >>> > mention). >> >>> @Tony: thanks for the answer - the mode is already part of the >>> 'generic' mdf, but does not show up in the mode selection anyhow (I >>> use the vanilla RiscOS 5 Version of rpcemu, sorry I didn't tell). >> >>The problem has been discussed before >>http://www.riscos.info/pipermail/rpcemu/2013-August/002081.html >> >>Using RO 5.20, the Generic MDF is at >>!Boot.Resources.Configure.Monitors.Other.Generic . It contains data for >>22 modes but, here, only 13 of them appear in the Resolution menu. >> >>The 1920x1200 59 Hz mode has a pixel rate of 154000 kHz which, at 32 >>bpp, implies a bandwidth of 4928 Mb/sec (if my arithmetic is correct). >>This is greater than the VIDCBandLimit of 2000 Mb/sec which is set by >>!Boot.Choices.Boot.PreDesk.Configure.!Run , so the mode is absent from >>the Resolution menu. >> >>Reducing the pixel rate to 62000 kHz allows the 1920x1200 mode to appear >>on the Resolution menu but, of course, its frame rate will be greatly >>reduced. I can't test it because my laptop screen is not large enough. >> >>Since VIDCBandLimit is not relevant for an emulated system, its value >>can be increased (I don't know the actual limit) allowing the bandwidth >>to exceed 2000 Mb/sec. You may need to compromise between VIDCBandLimit >>and pixel rate. >> >>Perhaps someone who is using RPCEmu with a 1920x1200 screen can help? >> >>Tony >> >> >> >> >>_______________________________________________ >>Rpcemu mailing list >>[email protected] >>http://www.riscos.info/cgi-bin/mailman/listinfo/rpcemu > >_______________________________________________ >Rpcemu mailing list >[email protected] >http://www.riscos.info/cgi-bin/mailman/listinfo/rpcemu
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