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.TH "SIIMAGE_RATEMASK" "" "06 October 2005" "" ""

.SH NAME
siimage_ratemask \- Compute available modes
.SH SYNOPSIS
"SYNOPSIS"
.sp
\fB
.sp
byte siimage_ratemask  (ide_drive_t * \fIdrive\fB);
\fR
.SH "ARGUMENTS"
.TP
\fB\fIdrive\fB\fR
IDE drive
.SH "DESCRIPTION"
.PP
Compute the available speeds for the devices on the interface.
For the CMD680 this depends on the clocking mode (scsc), for the
SI3312 SATA controller life is a bit simpler. Enforce UDMA33
as a limit if there is no 80pin cable present.