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authortegge <tegge@FreeBSD.org>1997-09-17 20:16:17 +0000
committertegge <tegge@FreeBSD.org>1997-09-17 20:16:17 +0000
commitdc9fb7214712036d21e7066d05c5ddd251d1ddd4 (patch)
treed31b0e1d07074e4cc05262b9aec7fe4824e6974d /sys/dev/ic
parent52f8c412b881dd0c998297025bb3d13b9a7157d8 (diff)
downloadFreeBSD-src-dc9fb7214712036d21e7066d05c5ddd251d1ddd4.zip
FreeBSD-src-dc9fb7214712036d21e7066d05c5ddd251d1ddd4.tar.gz
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)
Diffstat (limited to 'sys/dev/ic')
-rw-r--r--sys/dev/ic/nec765.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/dev/ic/nec765.h b/sys/dev/ic/nec765.h
index 7af3c21..3a55618 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
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