On Thu, 2005-08-11 at 12:03 +0200, Bartlomiej Zolnierkiewicz wrote: > > > > Most current laptops ship with a PATA hard drive, and a PATA > > > > ATAPI drive. The easiest way to make them usable under Linux-2.6 > > New laptops rather ship with: > > SATA (or PATA + bridge) hard disk and PATA ATAPI drive
How do I find out? As ICH6M features both PATA and SATA connections, I don't see why they'd use a PATA bridge... The DVD drives use PATA anyway, btw. > > You are sort of contradicting yourself. My setup (Dell laptop with ICH6M > > and PATA harddisk) defaults to using libata for the PATA hardisk. Only > Are you sure? Yes I am sure. I can give you all the data to verify it yourself. > I suspect that you have SATA-PATA converter inside the laptop That would be a possibility, but I don't why. > (or you are simply not using vanilla kernel). You bet I always use vanilla kernels. > > with a specific patch (which adds the PCI id to the IDE driver's id > > list, and which was not quite accepted here) the IDE driver will > > recognise the ICH6M and use it (and then it works fine). > > Yes, current situation with ICH6M support really sucks as many laptops > are set to use combined mode and don't have BIOS option to disable it Yeah, grmbl. > so users end up with unusable ATAPI device (== limited to PIO mode > only because DMA region is already reserved by libata and cannot be > used by IDE driver). But with the patch (that adds the ID to the IDE driver), it all works. > OTOH IDE driver should handle combined mode just fine and provide > working ATAPI DMA (+ SMART support for HDD). I prefer to not go > this way but the libata development is *extremely* slow (I'm not blaming > anyone just stating the fact)... I guess you have a quite bunch of users willing to test here ;-)
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