Download Supermicro X6DHT-G XEON

Chapter 4: BIOS
speed up CPU operations . Select "Uncached" to disable this function.
Select "Write Through" to allow data to be cached into the buffer and
written into the system memory at the same time. Select "Write Protect"
to prevent data from being written into the base memory area of Block
0-512K. Select "Write Back" to allow CPU to write data back directly from
the buffer 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 Extended Memory
If enabled, this feature will allow the data stored in the extended memory
area to be cached (written) into a buffer, a storage area in the Static
DRM (SDROM) or written 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 buffer and written
into the system memory at the same time. Select "Write Protect" to
prevent data from being written into the base memory area of Block 0512K. Select "Write Back" to allow CPU to write data back directly from
the buffer 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".
Discrete MTRR Allocation
If enabled, MTRRs (-Memory Type Range Registers) are configured as
distinct, separate units and cannot be overlapped. If enabled, the user
can achieve better graphic effects when using a Linux graphic driver
that requires the write-combining configuration with 4GB or more
memory. The options are Enabled and Disabled.
4-9