Supermicro X6DA3-G2, User Manual

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Chapter 4: Phoenix BIOS
4-9
Memory Cache
Cache System BIOS Area
This setting allows you to designate a reserve area in the system memory to be
used as a System BIOS buffer to allow the BIOS to write (cache) its data into this
reserved memory area. Select " Write Protect " to enable this function, and this
area will be reserved for the BIOS ROM access only. Select "Uncached" to disable
this function and make this area available for other devices.
Cache Video BIOS Area
This setting allows you to designate a reserve area in the system memory to be
used as a Video BIOS buffer to allow the BIOS to write (cache) its data into this
reserved memory area. Select " Write Protect " to enable the function and this area
will be reserved for the BIOS ROM access only. Select "Uncached" to disable this
function and make this area available for other devices.
Cache Base 0-512K
If enabled, this feature will allow the data stored in the base memory area of Block
0-512K to be cached (written) into the system memory or into L1, L2, L3 cache
area inside the CPU to speed up CPU operations. Select "Uncached" to disable
this function. Select "Write Through" to allow data to be cached into the system
memory and into L1, L2, L3 cache area of the CPU at the same time. Select
"Write Protect" to prevent data from being cached into the system memory area
of Block 0-512K. Select "Write Back" to allow CPU to write data back directly from
the L1, L2, L3 cache inside the CPU without writing data to the System Memory
for fast CPU data processing and operation. The options are "Uncached", "Write
Through", "Write Protect", and "Write Back" .
Cache Base 512K-640K
If enabled, this feature will allow the data cached in the memory area of Blcok 512K-
640K or to into L1, L2, L3 cache inside the CPU to speed up CPU operations.
Select "Uncached" to disable this function. Select "Write Through" to allow data to
be cached into the CPU L1, L2, L3 cache area and into the system memory at
the same time. Select "Write Protect" to prevent data from being written into the
base memory area of Block 512K-640K. Select "Write Back" to allow CPU to write
data back directly from L1, L2, L3 Cache area inside the CPU without writing data
to the System Memory for fast CPU data processing and operation. The options
are "Uncached", "Write Through", "Write Protect", and "Write Back" .