Xenon CB 1920,1921,1923, 7xxx, 8xxx, dual CB = Hashed KV with OSIG.
Xenon CB 1888,190x,1940 = Old KV with or without OSIG but non hashed.
All KVs without OSIG are non hashed.
Some OSIG KVs are non hashed.
This apply only to XENON and anything newer than Xenon, including Zephyr will have hashed KV in all cases so NO KV SWAPPING without hacked kernel.