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| author | philip <philip@FreeBSD.org> | 2008-08-18 09:17:16 +0000 |
|---|---|---|
| committer | philip <philip@FreeBSD.org> | 2008-08-18 09:17:16 +0000 |
| commit | d4f52a161560698eb5046093bad72a924bd25442 (patch) | |
| tree | f389a80928ec351c22fca9acbcf9b80de3a6d56e /share | |
| parent | 3f18959cf6cf4543a19d1073d6f53b142e2f46e7 (diff) | |
| download | FreeBSD-src-d4f52a161560698eb5046093bad72a924bd25442.zip FreeBSD-src-d4f52a161560698eb5046093bad72a924bd25442.tar.gz | |
Document the addition of the hw.ata.ata_dma_check_80pin tunable.
Submitted by: Patrick Lamaizière <patfbsd -at- davenulle.org>
MFC after: 1 week
Diffstat (limited to 'share')
| -rw-r--r-- | share/man/man4/ata.4 | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/share/man/man4/ata.4 b/share/man/man4/ata.4 index 624b104..f2e19ad 100644 --- a/share/man/man4/ata.4 +++ b/share/man/man4/ata.4 @@ -27,7 +27,7 @@ .\" .\" $FreeBSD$ .\" -.Dd October 5, 2007 +.Dd August 18, 2008 .Dt ATA 4 .Os .Sh NAME @@ -85,6 +85,8 @@ The following tunables are settable from the loader: .Bl -ohang .It Va hw.ata.ata_dma set to 1 for DMA access, 0 for PIO (default is DMA). +.It Va hw.ata.ata_dma_check_80pin +set to 0 to disable the 80pin cable check (default is 1, check the cable) .It Va hw.ata.atapi_dma set to 1 for DMA access, 0 for PIO (default is DMA). .It Va hw.ata.wc @@ -169,7 +171,9 @@ the driver has detected that the required 80 conductor cable is not present or could not be detected properly, or that one of the devices on the channel only accepts up -to UDMA2/ATA33. +to UDMA2/ATA33. The +.Va hw.ata.ata_dma_check_80pin +tunable can be set to 0 to disable this check. .Pp Unknown ATAPI devices are initialized to DMA mode if the .Va hw.ata.atapi_dma |
