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LINUX
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README.TXT
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Text File
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1999-05-25
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1KB
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40 lines
*******************************************************************
* VIA Linux PCI IDE Device Driver README file *
*******************************************************************
This README file is provided the information how to know the VIA
PCI IDE Device Driver is running on the Linux Operation system,
how to enable bus master function, and to adjust the DMA modes.
When the Linux OS boot up, if you see a line of message like the
below one, then the VIA IDE controller is found.
VP_IDE: IDE controller on PCI BUS 00 dev 39
After login the system, you can use the 'hdparm' command to enable
DMA or disable DMA function.
Example: We takes the primary master hard disk as an example.
Enable DMA function:
# hdparm -d1 /dev/hda
Disable DMA function:
# hdparm -d0 /dev/hda
When the driver is running in DMA mode, you can change the DMA modes
as you like.
Example:
Set Ultra DMA mode 2:
# hdparm -X66 /dev/hda
Set Multiword DMA mode 2:
# hdparm -X34 /dev/hda
Note: The 'hdparm' command can also apply to CD-ROM drive.
To see more about the 'hdparm' command, you can type 'man hdparm'
command to see the manual pages of 'hdparm' command.