z8na-d6配置为双路L5640+GTX650，功能均正常，显卡免驱（n卡，神奇吧），貌似休眠有问题，但我不喜欢机器休眠，没仔细试。
首先利用MBR Manual method，需要最新版才能支持10.15.7
变色龙使用2922版本。
MBR Manual method 还有 2922版本的变色龙论坛有，在这个帖子里：
https://bbs.pcbeta.com/forum.php?mod=viewthread&tid=1825250&highlight=2922
安装方法：
How to finish the Catalina installation. 1. Use EasyMBR-Installer1015 to make USB Catalina Installer. 2. Boot to USB Catalina Installer, open Utilities -> Disk Utility, format as MBR HFS+. <== won't boot..there is no boot loader in the created usb drive..also format "target drive" Install Catalina to blank MBR HFS+ "Target" partition. 3. Boot to USB Catalina Installer, open Utilities -> Terminal, run the script command: <== no Volumes gets listed to select
copytempdata 4. Boot to "Target" MBR HFS+ partition on single user mode (-s), run the script command:[color=rgb( var(--theme-text_light) )]install.log
hfsupdatecache 5. Reboot to "Target" MBR HFS+ partition, setup user name and login, finish the installation.
变色龙的配置文件见附件。
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