TYAN FT83-B7119 - Page 158

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5.5.4.2 Memory RAS Configuration
Mirror Mode
Mirror Mode will set entire 1LM/2LM memory in system to be mirrored, consequently
reducing the memory capacity by half. Mirror Enable will disable XPT Prefetch.
Disabled / Mirror Mode 1LM / Mirror Mode 2LM
Mirror TAD0
Enable Mirror on entire memory for TAD0.
Enabled / Disabled
Enable Partial Mirror
Partial mirror mode will enable the required size of memory to be mirrored. If rank
sparing is enabled partial mirroring will not take effect. Mirror Enable will disable XPT
Prefetch.
Disabled / Partial Mirror mode 1LM / Partial Mirror mode 2LM
Memory Rack Sparing
Enable/Disable Memory Rank Sparing.
Disabled / Enabled