This one time, at band camp, Preben Randhol said:
> When I boot my office machine it says:
>
> ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
> VP_IDE: IDE controller on PCI bus 00 dev 39
> VP_IDE: chipset revision 16
> VP_IDE: not 100% native mode: will probe irqs later
> ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
> VP_IDE: VIA vt82c686a (rev 22) IDE UDMA66 controller on pci00:07.1
^^^^^^^^^^
> ide0: BM-DMA at 0xd000-0xd007, BIOS settings: hda:DMA, hdb:pio
^^^^^^^
> ide1: BM-DMA at 0xd008-0xd00f, BIOS settings: hdc:DMA, hdd:DMA
^^^^^^^^^^^^^^^^
>
> In the old days I was updated on Hardware, but nowadays I haven't
> followed the development very closely (mainly because I'm not buying any
> new computers :-) ), so I was wondering if the assumption of 33MHz is
> correct? How can I find out what I have? My machine is a AMD Duron
> 750MHz.
The kernel is telling you that PIO modes will get 33MHz speeds unless
otherwise explicitly told, but you have a UDMA controller running at
66MHZ, and your drives are being detected as DMA-capable, so they will
run at 66MHz. PIO != DMA. This looks OK to me.
Steve
--
New York is real. The rest is done with mirrors.
Attachment:
pgpsVsXT6uaOw.pgp
Description: PGP signature