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author | tegge <tegge@FreeBSD.org> | 1997-09-17 20:16:17 +0000 |
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committer | tegge <tegge@FreeBSD.org> | 1997-09-17 20:16:17 +0000 |
commit | dc9fb7214712036d21e7066d05c5ddd251d1ddd4 (patch) | |
tree | d31b0e1d07074e4cc05262b9aec7fe4824e6974d /sys/isa/ic | |
parent | 52f8c412b881dd0c998297025bb3d13b9a7157d8 (diff) | |
download | FreeBSD-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/isa/ic')
-rw-r--r-- | sys/isa/ic/nec765.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/isa/ic/nec765.h b/sys/isa/ic/nec765.h index 7af3c21..3a55618 100644 --- a/sys/isa/ic/nec765.h +++ b/sys/isa/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 |