SMBIOS Finally you can specify your smbios.plist location using a device selector prefix like “SMBIOS=rd(0,0)/Extra/smbios.plist”.
VideoROM You can pass an alternate videoROMimage file to the system.
VBIOS Using this boolean switch, you can control the injection of your videoBIOSto device-properties. We got various reports if this switch is really needed to make your graphics device handled correctly by the system.
You can use the same booter partition for both Leopard and the recent Snow Leopard; to do that you can put your OS version specific KEXTs/MKEXT this way: /Extra/10.(5|6)/Extensions[.mkext]
3.So I make a following folder for switching Windows, Snow and Leopard OSX even Linux.
* 다음 그림과 같이 폴더를 만들어주면 부트로더 하나로 Leopard와 Snow Leopard를 멀티부팅할수 있다.
4. Boot Helper
The boot: prompt waits for you to type advanced startup options.
If you don't type anything, the computer continues starting up normally. It
uses the kernel and configuration files on the startup device, which it also
uses as the root device.
Advanced startup options use the following syntax: