Gaston, Jason D wrote: >> -----Original Message----- >> From: Tejun Heo [mailto:[EMAIL PROTECTED] >> Sent: Wednesday, September 26, 2007 6:08 PM >> To: Gaston, Jason D >> Cc: linux-ide@vger.kernel.org >> Subject: Re: ICH9 2 port SATA controller port map? >> >> Gaston, Jason D wrote: >>> Hello, >>> >>> ICH9 has DeviceID's for 2 port, IDE mode, SATA controllers. The > current >>> port map in ata_piix is setup for the 4 port controllers. This seems > to >>> work ok, but I wonder if a new port map should be defined for the 2 > port >>> controllers, where the two ports are PM, SM? You can refer to the > ICH9 >>> Datasheet on intel.com for detail. >> Yes, please go ahead and define new entry for the controllers. Thanks. >> >> -- >> Tejun > > What is the difference between NA and RV? If the controller only has > access to 2 ports, does it matter which I set the nonexistent port > values to in the map?
NA is used for unimplemented ports of a valid configuration while RV is used to mark invalid MAP value. So, NA should be mixed with P[0-3] while RV can't be mixed with any other values. -- tejun - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
