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Add little notes about the capability and limition of the IDE driver.

This commit is contained in:
nisimura 2003-11-03 03:29:51 +00:00
parent 1b8a2beb0c
commit d77f7e03eb
1 changed files with 6 additions and 5 deletions
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11
share/man/man4/stpcide.4
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@ -1,4 +1,4 @@
.\" $NetBSD: stpcide.4,v 1.3 2003/10/31 09:35:25 nisimura Exp $
.\" $NetBSD: stpcide.4,v 1.4 2003/11/03 03:29:51 nisimura Exp $
.\"
.\" Copyright (c) 2003 Toru Nishimura.
.\"
@ -38,10 +38,11 @@
.Sh DESCRIPTION
The
.Nm
driver supports the STMicroelectronics STPC internal IDE controllers,
driver supports the STMicroelectronics STPC x86 SoC internal IDE controllers,
and provides the interface with the hardware for the
.Xr ata 4
driver.
The driver features DMA mode 2 and PIO mode 4 transfer speeds.
.Pp
The 0x0002 flag forces the
.Nm
@ -58,7 +59,7 @@ problems where the IDE controller is wired up to the system incorrectly.
.Xr wd 4 ,
.Xr wdc 4
.Sh BUGS
The timings used for the PIO and DMA modes are for STPC Atlas with its
PCI clock configured at 33 MHz.
Other speeds including STPC Vega IDE controller will need parametric
The timings used for the DMA and PIO modes are for STPC Atlas and
its siblings with their PCI clock configured at 33 MHz.
Other speeds including STPC Vega Ultra-IDE controller will need
adjustments.