there is no amiga or hardisk controller for the Amiga which can offer 18mb/second transfer speed
maximum on the Amiga are 7 or 8 mb per second on Phase 5 scsi controllers
so you are lying or you are drunk loi...
do not use syspeed to test hardisk speed use sysinfo or diskspeed v4 on aminet
you seem pretty sure 'bout that...
I suggest the next time you accuse someone of lying or being drunk you do your homework and actually know what you are talking about.