On Thu, Mar 27, 2008 at 12:22:46AM +0900, KIYOHARA Takashi wrote: > Hi! all, > > > It questions on the SATA implementation. > > I understand that present NetBSD doesn't support the port multiplier. Correct. > Moreover, it is understood that NCQ(Native Command Queueing) is not > supported. Correct. > Am I correct? Unfortunately. > # KURO-BOX/PRO's CPU is Marvell 88F5182. It is SoC. It have SATA. ;-) Is that pciide(4)-style? I'm guessing no. ahcisata(4) and my oh-i-hope-i-get-it-in-before-netbsd-5 siisata(4) are some examples of non-pciide SATA controller drivers. The ata(4) subsystem may need some work to be able to support NCQ and Port Multipliers. Jonathan Kollasch
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