macos10.14.4
来源:http://bbs.pcbeta.com/viewthread-1784050-1-1.html
工具：
FB-VRAM Patcher
试验：
从此工具取FB数据就可以看出，它从已加载的显卡驱动中搜索数据，相关数据找到后显示。但修改替换需要在clover中完成。
获取数据后，在clover configuration 中，内核及kext 中配置
分享几个常见显存提升补丁(建议自己提取)
HD3000:
Name:AppleIntelSNBGraphicsFB
Find:003D1000 03007528 41BF0200
Replace:003D1000 03007528 41BF0400
Comment:512MB>1024MB for HD3000
HD4200_4400_4600：
Name:AppleIntelFramebufferAzul
Find:0103030300000002000030010000600000000060
Replace:0103030300000002000030010000900000000080
Comment:1536MB -> 2048MB for HD4200_4400_4600
HD5500：
Name:AppleIntelBDWGraphicsFramebuffer
Find:01030303000020020000500100000060
Replace:01030303000020020000500100000080
Comment:1536MB -> 2048MB for HD5500
HD520_530_540:
Name:AppleIntelSKLGraphicsFramebuffer
Find:01030303000020020000500100000060
Replace:01030303000020020000500100000080
Comment:1536MB -> 2048MB for HD520_530_540
HD620：
Name:AppleIntelKBLGraphicsFramebuffer
Find:01030303000020020000000000000060
Replace:01030303000020020000000000000080
Comment:1536MB -> 2048MB for HD620
HD630：
Name:AppleIntelKBLGraphicsFramebuffer
Find:01030303000060020000500100000060
Replace:01030303000060020000500100000080
Comment:1536MB -> 2048MB for HD630