bbehm@iname.com wrote:
>
> Martijn van Oosterhout wrote :
>
> > Odd, both my hard disks are UDMA. You're saying unmaskirq has
> > no effect on UDMA systems?
>
> Yes, but are you running them in UDMA?
You tell me:
hda: QUANTUM FIREBALL ST4.3A, 4110B w/81kB Cache, CHS=524/255/63, UDMA
hdb: QUANTUM FIREBALL EX12.7A, 12159MB w/418kB Cache, CHS=1550/255/63,
UDMA
The 12G does at 12.5MB/s.
> " hdparm -d1 -X66 -c1 /dev/hd[.] " for UDMA or
> " hdparm -d1 -X34 -c1 /dev/hd[.] " for DMA
No settings changed anywhere, default kernel settings. Had to fiddle
with
the bios here to make it do that.
> Sometimes, despite your kernel compile parameters, your drives will default
> to PIO4 mode if the controller isn't in 100% native mode (as in my i440BX)
> or somesuch.
440TX i think, PIIX4
-- Martijn van Oosterhout <kleptog@cupid.suninternet.com> http://cupid.suninternet.com/~kleptog/- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Sun Apr 23 2000 - 21:00:20 EST