1. Yes. The "-" key uses to load old (not patched) firmware version. If patched firmware version working not correctly, use "-" key to boot old firmware version and flashing normal (not patced) firmware version.
2. If you patched your firmware successfully then you may use "/s" key for creating patched firmware that cannot be reversed to original version as you would do with "-" key
3. Low multiplier using for guaranteed start CPU. When operating system is loaded, you can change multiplier using special soft (SoftFSB, etc.)
1. Yes. The "-" key uses to load old (not patched) firmware version. If patched firmware version working not correctly, use "-" key to boot old firmware version and flashing normal (not patced) firmware version.
2. If you patched your firmware successfully then you may use "/s" key for creating patched firmware that cannot be reversed to original version as you would do with "-" key
3. Low multiplier using for guaranteed start CPU. When operating system is loaded, you can change multiplier using special soft (SoftFSB, etc.)