sdahci – AHCI (Advanced Host Controller Interface) SATA (Serial
ATA) storage device drivers|
bind –a #S /dev |
The sdahci driver provides access to AHCI devices via the sd(3)
interface. AHCI devices use the ATA command set. The AHCI programming
interface supports up to 32 hot–swappable ATAPI or hard disk–like
devices per controller. The legacy IDE interface provided by sdata.c
supports up to four drives which are not
hot–swappable. Controller drive letters are assigned from E onward.
iahci debug Toggle debug messages. Default is off.
iahci idprint Toggle printing of drive identification messages. Default is on. Prints short messages when a drive is identified or removed.
iahci aprint Print verbose ATAPI debugging messages. Default is off.
atazz(8), sd(3), 9load(8)|
Enclosure management, LED control and port multipliers are supported.