TA990FXE UEFI BIOS Manual
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Clock to All DIMMs
This item enables unused clocks to DIMMs even memory slots are not populated.
Options: Disabled (Default) / Enabled
MemClk Tristate C3/ATLVID
This item enables or disables the MemClk Tristate function in C3 Mode.
Options: Disabled (Default) / Enabled
Memory Hole Remapping
This item allows you to enable or disable the remapping of the overlapped PCI
memory above the total physical memory. Only 64-bit OS supports this function.
Options: Enabled (Default) / Disabled
Unganged Mode support
This item controls the DRAM controller ganged (128bit*1) / unganged (64bit*2)
dual-channel operation mode. If two DRAM modules with different size are
installed, using unganged mode can still make it run in dual-channel operation.
Options: Enabled (Default) / Disabled
Power Down Enable
This item controls the DRAM power down function.
Options: Disabled (Default) / Enabled
