"hdx=cyl,head,sect" : disk drive is present, with specified geometry
- "hdx=autotune" : driver will attempt to tune interface speed
- to the fastest PIO mode supported,
- if possible for this drive only.
- Not fully supported by all chipset types,
- and quite likely to cause trouble with
- older/odd IDE drives.
-
"hdx=nodma" : disallow DMA
"ide=doubler" : probe/support IDE doublers on Amiga