Roberto C. Sanchez wrote:
> Again, amd74xx is what allows your kernel to speak to your hard drive.
> Without it, it defaults do extremely safe (and *extremely* slow)
> non-DMA, non-unmasked IRQ, 16-bit I/O. Why do you want that? Copying
> even a moderately sized file would take you on the order of minutes.
I still disagree.
>From the help of CONFIG_BLK_DEV_AMD74XX:
This driver adds explicit support for AMD-7xx and AMD-8111 chips
and also for the nVidia nForce chip. This allows the kernel to
change PIO, DMA and UDMA speeds and to configure the chip to
optimum performance.
I don't have nor an AMD, neither an nForce chip in that notebook. It
doesn't look like a generic driver either. So why would I want it?
>From lspci:
0000:00:1f.1 IDE interface: Intel Corp. 82801DBM (ICH4) Ultra ATA
Storage controller (rev03)
So ISTM if I want DMA (and I do), I only need one driver: piix.
Please provide more information. Why do you think it's amd74xx the driver
that I need, since I state (and I did in my previous message too) that I
have an Intel chip?
> As for the other drivers, if you don't tell us which they are, it is
> difficult to provide an explanation.
See the post of Greg Folkert.
Andrei
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