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.Dd December 13, 2011
.Dt ECC 4
.Os
.Sh NAME
.Nm ecc
.Nd ECC memory controller support
.Sh SYNOPSIS
To compile this driver into the kernel,
place the following lines in your
kernel configuration file:
.Bd -ragged -offset indent
.Cd "device ecc"
.Ed
.Pp
Alternatively, to load the driver as a
module at boot time, place the following line in
.Xr loader.conf 5 :
.Bd -literal -offset indent
ecc_load="YES"
.Ed
.Sh DESCRIPTION
The
.Nm
device attaches to an ECC memory controller.
If ECC support is enabled in the BIOS, the device will poll the controller
once a second and report any corrections or uncorrectable errors.
.Sh HARDWARE
The
.Nm
driver supports the following memory controllers:
.Pp
.Bl -bullet -compact
.It
AMD 8000 memory controller
.It
AMD 8151 memory controller
.It
Intel E3-1200 memory controller
.It
Intel X3400 memory controller
.El
.Sh HISTORY
The
.Nm
device driver first appeared in
.Dx 1.7 .
.Sh AUTHORS
The
.Nm
driver was written by
.An Matthew Dillon .