El Mar 20 Nov 2001 20:52, escribi�: > Using MDK80 kernel 2.4.x > > Mainboard with Tyan 2 athlon 1.33 GB > > Just for test I try to move an iso image > > from one directory to another : > > 1) on IDE UDMA 100 first seconds the rate was 8MB but after go to 4.5 > 2) on SCSI (160 pin ) nearly the same as IDE > > is possible to set something ? > > thanks > > Pierfrancesco
Try using hdparm as root. Some interesting settings are: -c1 <-- Activates the 32 bits I/O support. -d1 <-- Enables DMA -u1 <-- Set interrupt-unmask -X66 <-- Enables UltraDMA mode 2, for UltraDMA 100 I believe is -X69 but I'm not sure (read hdparm documentation). -m16 <-- Sets the sector count for multiple sector I/O to 16. Use the command hdparm -i /dev/hda (or hdb,, or ...) to get the maximum setting for this number (MaxMultSect). example (for the hda disk, as root): hdparm -c1 -d1 -X69 -m16 -u1 /dev/hda ***IMPORTANT***: Use these settings at your own risk (please before doing anything type "man hdparm"). Salu2 �scar.
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