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| author | Tor Egge <tegge@FreeBSD.org> | 1997-09-17 20:16:17 +0000 |
|---|---|---|
| committer | Tor Egge <tegge@FreeBSD.org> | 1997-09-17 20:16:17 +0000 |
| commit | d66c374f58a74f98ce6f747c02bb4a2489c77ffd (patch) | |
| tree | 54525010aa741934552303f58c47c9be986b2ac6 /sys/dev/ic/nec765.h | |
| parent | 2f6456ee54001e318c6072571fff5b4a524357cc (diff) | |
| download | src-d66c374f58a74f98ce6f747c02bb4a2489c77ffd.tar.gz src-d66c374f58a74f98ce6f747c02bb4a2489c77ffd.zip | |
Enable the FIFO on enhanced floppy controllers. This reduces the
number of dma overruns/underruns for systems under heavy dma load.
As a side effect, broken enhanced floppy controllers that sometimes
don't detect dma overruns/underruns will give less errors.
Reviewed by: j@uriah.heep.sax.de (J Wunsch)
Notes
Notes:
svn path=/head/; revision=29543
Diffstat (limited to 'sys/dev/ic/nec765.h')
| -rw-r--r-- | sys/dev/ic/nec765.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/dev/ic/nec765.h b/sys/dev/ic/nec765.h index 7af3c21b2725..3a5561888e87 100644 --- a/sys/dev/ic/nec765.h +++ b/sys/dev/ic/nec765.h @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * from: @(#)nec765.h 7.1 (Berkeley) 5/9/91 - * $Id$ + * $Id: nec765.h,v 1.6 1997/02/22 09:38:04 peter Exp $ */ /* @@ -126,6 +126,7 @@ */ #define NE7CMD_VERSION 0x10 /* version (ok for all controllers) */ +#define I8207X_CONFIGURE 0x13 /* configure enhanced features */ /* * "specify" definitions |