Fuses: Difference between revisions
| Line 807: | Line 807: | ||
==== FUSE_SPARE_BIT_5 ==== | ==== FUSE_SPARE_BIT_5 ==== | ||
Must be non-zero on retail units, otherwise the first bootloader panics. | Must be non-zero on retail units, otherwise the first bootloader panics. | ||
On | On prototype units it can be zero, which tells the bootloader to choose from two pre-production master key seeds. If set to non-zero on a prototype unit, it tells the bootloader to choose from two master key seeds (with the second one being the same as the retail master key seed). | ||
[4.0.0+] This value is no longer used during boot. | [4.0.0+] This value is no longer used during boot. | ||