7-12
AS1011M-Ni User's Manual
ECC Confi guration
DRAM ECC Enable
DRAM ECC allows hardware to report and correct memory errors automati-
cally. Options are
Enabled
and Disabled.
4-Bit ECC Mode
Allows the user to enabled 4-bit ECC mode (also known as ECC Chip-
kill). 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 various voltages
from .8V to 1.050V in increments of .025V. Default setting is
0.850V
.
SouthBridge/MCP55 Confi guration
CPU/LDT Spread Spectrum
Use this setting to choose
Center Spread
, Down Spread or to Disable spread
spectrum for the CPU/LDT. Spread Spectrum is a method of reducing the
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