From bfd72934ab6e6de706fc0e38dc1eff28e6eedcd5 Mon Sep 17 00:00:00 2001 From: sos Date: Wed, 7 Mar 2001 08:12:24 +0000 Subject: [PATCH] Update woith latest chipsets and options --- share/man/man4/ata.4 | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/share/man/man4/ata.4 b/share/man/man4/ata.4 index 6f231a0464e7..292525c49cc0 100644 --- a/share/man/man4/ata.4 +++ b/share/man/man4/ata.4 @@ -71,6 +71,10 @@ To enable DMA on an ATAPI device: .Pp To enable Tagged Queuing support (only IBM DPTA and DTLA drives support that) .Cd options ATA_ENABLE_TAGS +.Pp +To enable write caching (WARNING might cause data loss on power failures) +.Cd options ATA_ENABLE_WC +.Pp .Sh DESCRIPTION This driver provides access to disk drives, ATAPI CD-ROM and DVD drives, ZIP drives and tape streamers connected to controllers @@ -122,8 +126,10 @@ Ultra DMA 33 (UDMA2), 33 MB/sec Ultra DMA 33 (UDMA2), 33 MB/sec .It VIA 82C586 Ultra DMA 33 (UDMA2), 33 MB/sec -.It VIA 82C686 +.It VIA 82C686a Ultra DMA 66 (UDMA4), 66 MB/sec +.It VIA 82C686b +Ultra DMA 100 (UDMA5), 100 MB/sec .El .Pp All unknown chipsets can be supported at the maximum speed of 16 MB/sec. @@ -196,7 +202,7 @@ The .Nm driver does not support MFM/RLL/ESDI (ST-506) style disks. .Pp -Remember that in order to use UDMA4 mode you +Remember that in order to use UDMA4 (and above) mode you .Em have to use a special 80 conductor cable, and the driver tries to determine if you have such a cable