HD3000显存384MB修改到512MB的问题
Last login: Wed Dec 30 14:52:13 on ttys000HDLde-MacBook-Pro:~ hdl$ cd /S*/L*/Ext*/AppleIntelSNBGraphicsFB.kext/C*/M*HDLde-MacBook-Pro:MacOS hdl$ sudo cp AppleIntelSNBGraphicsFB AppleIntelSNBGraphicsFB.backupPassword:cp: AppleIntelSNBGraphicsFB.backup: Operation not permittedHDLde-MacBook-Pro:MacOS hdl$ sudo perl -pi -e's|\xC7\x45\xBC\x00\x00\x00\x18|\xc7\x45\xBC\x00\x00\x00\x20|g' AppleIntelSNBGraphicsFBCan't remove AppleIntelSNBGraphicsFB: Operation not permitted, skipping file.HDLde-MacBook-Pro:MacOS hdl$ sudo touch /S*/L*/ExtensionsHDLde-MacBook-Pro:MacOS hdl$出现cp: AppleIntelSNBGraphicsFB.backup: Operation not permitted就不可以了，修改不了显存
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