Intel S2600CP S2600CP/P4000CP family Service Guide - Page 112
When enabled, Demand Scrub automatically corrects a Correctable ECC - memory population
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Hardware Installations and Upgrades 5. Memory Operating Speed Selection Option Values: Auto 800 1066 1333 1600 Help Text: Force specific Memory Operating Speed or use Auto setting. Comments: Allows the user to select a specific speed at which memory will operate. Only speeds that are legitimate are available, that is, the user can only specify speeds less that or equal to the auto-selected Memory Operating Speed. The default Auto setting will select the highest achievable Memory Operating Speed consistent with the DIMMs and processors installed. 1600 MT/s memory speed is available only on certain models, Information about memory support for each board can be found in in TPS. Back to [Memory Configuration Screen] - [Advanced Screen] 6. Patrol Scrub Option Values: Enabled Disabled Help Text: When enabled, performs periodic checks on memory cells and proactively walks through populated memory space, to seek and correct soft ECC errors. Comments: When enabled, Patrol Scrub is initialized to read through all of memory in a 24-hour period, correcting any Correctable ECC Errors it encounters by writing back the corrected data to memory. Back to [Memory Configuration Screen] - [Advanced Screen]] 7. Demand Scrub Option Values: Enabled Disabled Help Text: When enabled, executes when an ECC error is encountered during a normal read/write of data and corrects that data. Comments: When enabled, Demand Scrub automatically corrects a Correctable ECC Error encountered during a fetch from memory by writing back the corrected data to memory. Back to [Memory Configuration Screen] - [Advanced Screen] 98 Intel® Server Board S2600CP Intel® Server System P4000CP Family Service Guide