Clarify hw.ti.%d.dac tunable.

This commit is contained in:
yongari 2011-11-14 22:16:12 +00:00
parent 81c8906c6b
commit effdb2f02f

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@ -209,7 +209,7 @@ prompt before booting the kernel or stored in
.Xr loader.conf 5 .
.Bl -tag -width "xxxxxx"
.It Va hw.ti.%d.dac
This tunable disables DAC (Dual Address Cycle).
If this tunable is set to 0 it will disable DAC (Dual Address Cycle).
The default value is 1 which means driver will use full 64bit
DMA addressing.
.El