4-10
H8DA8-2/H8DAE-2 User’s Manual
4-Bit ECC Mode
Allows the user to enabled 4-bit ECC mode (also known as ECC
Chipkill). Options are Enabled and
Disabled
.
DRAM Scrub Redirect
Allows system to correct DRAM ECC errors immediately, even with
background scrubbing on. Options are Enabled and
Disabled
.
DRAM BG Scrub
Corrects memory errors so later reads are correct. Options are
Dis-
abled
and various times in nanoseconds and microseconds.
L2 Cache BG Scrub
Allows L2 cache RAM to be corrected when idle. Options are
Disabled
and
various times in nanoseconds and microseconds.
Data Cache BG Scrub
Allows L1 cache RAM to be corrected when idle. Options are
Disabled
and
various times in nanoseconds and microseconds.
Power Down Control
Allows DIMMs to enter power down mode by deasserting the clock enable signal
when DIMMs are not in use. Options are
Auto
and Disabled.
Alternate VID
Specify the alternate VID while in low power states. Options are
Auto
and vari-
ous voltages from .8V to 1.15V in increments of .025V.
SouthBridge/MCP55 Confi guration
USB 1.1 Controller
Enable
or disable the USB 1.1 controller.
USB 2.0 Controller
Enable
or disable the USB 2.0 controller.
MAC0 LAN0
Settings are
Auto
and Disabled for MAC0 LAN0.
