Early A3000s where sold with a special kickstart roms (YES there is one!)
containing kickstart v1.4. These roms are ONLY usable with the A3000 AND Kickstart v1.3 or 2.0!
These type of roms looked for two harddisk partition labeled wb_1.3: and wb_2.x:,
and for a kickstart rom file in the devs: drawer corresponding to the choice you made
on the Boot Screen (v1.3 or v2.x), loaded the rom to ram: and softkicked the A3000 from it.
These rom images where on a SuperKickstart Disk that was part of the Software Kit delivered with the A3000.
Without these Disk, the only possibility to use such an A3000 is buying A3000 v3.1 roms chip and mouting it
in place of the onboard roms chips. But you will lose the possibility to boot v1.3:
Another question? ;-)