From 4d6dd4fc2d4b7a4112c261c7c34037dbe9de3e56 Mon Sep 17 00:00:00 2001 From: sos Date: Thu, 4 Sep 1997 18:49:53 +0000 Subject: Upgrade of EIDE DMA support, Johns comments: * lots of fixes to error handling-- mostly works now * improve DMA timing config for Triton chipsets-- PIIX4 and UDMA drive still untested * generally improve DMA config in many ways-- mostly cleanup * clean up boot-time messages * rewrite PRD generation algorithm * first wd timeout is now longer, to handle drive spinup Submitted by: John Hood --- share/man/man4/man4.i386/wd.4 | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'share/man/man4') diff --git a/share/man/man4/man4.i386/wd.4 b/share/man/man4/man4.i386/wd.4 index c592eb7..54d173c 100644 --- a/share/man/man4/man4.i386/wd.4 +++ b/share/man/man4/man4.i386/wd.4 @@ -24,7 +24,7 @@ .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" -.\" $Id: wd.4,v 1.5 1997/03/07 02:50:00 jmg Exp $ +.\" $Id: wd.4,v 1.6 1997/07/15 09:44:05 charnier Exp $ .\" .Dd August 31, 1994 .Dt WD 4 i386 @@ -61,6 +61,9 @@ Test and use the 32bit transfer capability of the drive. .It 0x4000 If drive looks like it's comming out of sleep mode, assume it's confused and reinitialize it. +.It 0x2000 +Probe for and use the bus-mastering DMA capabilities of modern +PCI chipsets. .It 0x0f00 Force number of heads to ((flags & 0xf00)>>8), recalculate number of cylinders to match. -- cgit v1.1