On Dec 7, 2003, at 10:07 PM, JacobRhoden wrote:
I typed 'man atacontrol' and it didnt seem to help! (grin). Seriously, i had a
look and worked out how to list/display the modes of drives, and i am not
sure what commands i would type to help fix the speed?
mode Without the two mode arguments, the current transfer modes of
both devices are printed. If the mode arguments are given, the
ATA driver is asked to change the transfer modes to those given.
The ATA driver will reject modes that are not supported by the
hardware. Modes are given like ``PIO3'', ``udma2'',
``udma100'', case does not matter. If one of the devices mode
should not be changed, use a nonexisting mode as argument (i.e.
``XXX''), and the mode will remain unchanged.
Currently supported modes are: BIOSDMA, PIO0 (alias BIOSPIO),
PIO1, PIO2, PIO3, PIO4, WDMA2, UDMA2 (alias UDMA33), UDMA4
(alias UDMA66), UDMA5 (alias UDMA100) and UDMA6 (alias UDMA133).
So you can type 'atacontrol mode <channel> <mode where mode is one of the options listed>' and change the speed, at some potential risk, as the man page warns.
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