Feizhou <feizhou at graffiti.net> wrote: > Eh? http://www.nvidia.com/object/IO_16450.html > They specifically highlight NCQ on page 4 for their SATA > implementation. According to the SATA/libata status page: http://linux.yyz.us/sata/sata-status.html#nvidia I guess they were talking about the MCP-03, instead of the newer MCP-04? In any case, I'm not getting NCQ support on my nForce4 serieschipsets under Windows. I guess some just don't include it? > Well, they are not talking about ATA... ATA = SATA You can have NCQ on parallel ATA too. It's just a physical/datalink layer difference. > they are talking about SCSI like tag command queueing > on their SATA side of things, Between the drive and [software] host, individually. Then you use [software] host AHCI to control and schedule up to 32 drives. My point is that it's still not a hardware-based host adapter. It's only the end-device component, with a software host. > you know, Native Command Queueing. No, not NForce 2 or 3 > or 4 but Nforce 4 Ultra and above (Nforce4 SLI, Nforce Pro > 2xxx) Yeah, it seems the regular nForce 4 and at least the nForce 410 (not sure about the 430) don't have it. > Jeff does not get anything. He does not list Nvidia > implementations of their SATA controllers as 'open' like the > Intel AHCI and Silicon Image 3112 among others. I stand corrected then. As I said, I heard 2nd hand. -- Bryan J. Smith | Sent from Yahoo Mail mailto:b.j.smith at ieee.org | (please excuse any http://thebs413.blogspot.com/ | missing headers)