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Jonathan Woithe wrote: > I've just tried a quick test after enabling most of the PATA drivers under > the libata section including the Jmicron driver (basically everything except > those labelled "highly experimental"). As far as I can tell the > CDROM/DVDROM is still not detected even with all these built into the > kernel. Maybe I do need one of those "highly experimental" drivers. Can you post the entire lspci -v for this board? > >> Also, it's unrelated to this problem, but you should check the BIOS >> settings for the SATA controller - you really want to get the controller >> into AHCI mode for best performance. > > I've often wondered how the BIOS descriptions correlate with the modes the > controller ends up in. I've always gone for things like "enhanced" or > "SATA" or "native" (the exact string of course being dependent on the BIOS > writer's mood on the day). This seems to work out OK in practice. How > can you tell from the Linux boot messages that the controller is in AHCI > mode - is it as simple as looking for AHCI driver messages? In this case > the > > scsi0 : ata_piix > scsi1 : ata_piix > > indicate that things are suboptimal I assume. Right, you should see that showing up as ahci. -- Robert Hancock Saskatoon, SK, Canada To email, remove "nospam" from hancockr@nospamshaw.ca Home Page: http://www.roberthancock.com/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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