Using this option you can enumerate all your partitions what you would like to remove from the boot menu, the syntax is similar to the Default Partition option but here you can specify many volumes in your /Library/Preferences/SystemConfiguration/com.apple.Boot.plist or /Extra/com.apple.Boot.plist:
In the above example the booter won’t display partition 1 on BIOS drive 0 and partition 5 on disk 2.
This is a similar option what you can find in PC_EFI, but we’re doing this a bit different: The default value is still 0 but you can set to any arbitrary value like:
About the patches and fixes applied in RC4-r684
Here is a quick Changelog highlight:
Fixed booting the default partition when using timeout. Added Intel Core i5 detection.
Applied rivig’s patch against all stage 1 loaders. Now linear address mapping uses 12 bit offsets. Added DigitalDJ’sSMBIOSCPU detection patch. Applied IntVar’s system-id patch. Applied hnak’s read_lba register saving patch. Added radekg’sHFS filesystem fix to handle 2GB+ file sizes. Backported ATI device injection EFI64 tables and hibernation fix from netkas’PC_EFI. Thanks and credits goes for them!