Philip Paeps 854d77bdd6 Introduce a new loader tunable "hw.ata.ata_dma_check_80pin", defaulting to 1.
This can be used to disable the 80pin cable check on systems which forget to
set the bit -- such as certain laptops and Soekris boards.

PR:		kern/114605 (somewhat reworked)
Submitted by:	marck
MFC after:	1 week
2008-08-15 10:55:11 +00:00
..