Acer AT350 F2 Acer AT350 F2 Server Service Guide - Page 91

77 Memory Configuration Parameter DDR Speed Memory Mode Rank Interleaving Channel Interleaving Patrol Scrub Description Options Use this feature to force a DDR3 memory module to run at a frequency other than what is specified in the specification. Auto Force DDR3-800 Force DDR3-1066 Force DDR3-1333 Force DDR3-1600 Force SPD When Independent is selected, all DIMMs are available to the operating system. When Mirroring is selected, the motherboard maintains two identical copies of all data in memory for data backup. When Lockstep is selected, the motherboard uses two areas of memory to run the same set of operations in parallel. Independent Mirroring Lockstep This feature allows the user to select a rank memory interleaving method. Auto 1 Way 2 Way 4 Way 8 Way This feature selects from the different channel memory interleaving methods. Auto 1 Way 2 Way 3 Way 4 Way Patrol Scrubbing is a process that allows the CPU to correct correctable memory errors detected on a memory module and send the correction to the requestor (the original source). When this item is set to Enabled, the IO hub will read and write back one cache line every 16K cycles, if there is no delay caused by interna processing. By using this method, roughly 64 GB of memory behind the IO hub will be scrubbed every day Enabled Disabled