Silicon Graphics Rackable H2106-G7, System User'S Manual

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74 007-5683-004
7: BIOS
ECC Configurations
ECC Mode
This submenu sets the level of ECC protection. Options include Disabled, Basic , Good, Super,
Max and User. Selecting User activates the other options for user setting.
Note: The "Super" ECC mode dynamically sets the DRAM scrub rate so all of memory is
scrubbed in 8-hours.
DRAM ECC Enable
This setting allows hardware to report and correct memory errors automatically, maintaining
system integrity. Options are
Enabled or Disabled.
DRAM Scrub Redirect
This setting allows the system to correct DRAM ECC errors immediately when they occur, even
if background scrubbing is off. Options are
Enabled or Disabled.
4-Bit ECC Mode
Allows the user to enabled 4-bit ECC mode (also known as ECC Chipkill). Options are Enabled
and Disabled.
DRAM BG Scrub
Corrects memory errors so later reads are correct. Options are Disabled and various times in
nanoseconds and microseconds. The default is
163.8us .
Data Cache BG Scrub
Allows L1 cache RAM to be corrected when idle. Options are Disabled and various times in
nanoseconds and microseconds. The default is
2.56us .
L2 Cache BG Scrub
Allows L2 cache RAM to be corrected when idle. Options are Disabled and various times in
nanoseconds and microseconds. The default is
2.56us .