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ATI Radeon HD pkg installers 10.5.x & 10.6

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Hi, i installed my HD 3450 under 10.5.4 with 2 Kexts (LegacyRadeon.....and ktit.kext), the system recognises the graphic card but not the right amout of Vram (256 instead of 512MB). I only can change the resolution via the com.apple.Boot.plist, up to 1600x1200 but not the DisplayFrequency, it stays at 60Hz. Even the command 1600x1200x32@85 does not change the frequency.


How can i change the frequency of the Display up to 72 or 85Hz ? (Works in Win7, CRT-display)





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i need ATI Radeon HD 3870x2 only, above link has broken.

i tried this method first http://www.insanelymac.com/forum/topic/94090-how-to-ati-radeon-hd-2400-2600-2900-3850-3870-on-leopard/

however i never get any succes with X2000.kext with Nati.kext :(

they wont boot up ont Maverics.10.9.4 Amd(bsa) kernel

and i never exeed 5Mb of VRam :( (even i tryed with dumped vga.rom)


my card id is 0x950F1002

thanks for your attention

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