[ltp] How does /proc/acpi/ibm/bay work

[Tony Whitmore]

Stefan Schmidt wrote:
> Hello.
> 
> On Thu, Mar 31, 2005 at 08:49:30AM -0500, Theodore Ts'o wrote:
> 
>>I can swap my DVD/CD-RW drive, as well as an additional IDE hard
>>drive.
> 
> 
> Do you can use DMA after re-insert the DVD/CD-RW drive?

Yes. I disable it before I remove the drive and re-enable it after 
inserting. "hdparm -d" reports it as being on.

I should perhaps test the validity of this by trying to play back a DVD 
(which struggles without DMA on.)

Tony