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C2SBC-Q User's Manual
Memory Cache
Cache System BIOS Area
Use this setting to designate a reserve area in the system memory to be used as a
System BIOS buffer and allow BIOS to write (cache) data into this reserved memory
area. Select
Write Protect
to enable this function, and this area will be reserved
for BIOS ROM access only. Select Uncached to disable this function and make this
area available for other devices.
Cache Video BIOS Area
Use this setting to designate a reserve area in the system memory to be used as
a Video BIOS buffer and allow the BIOS to write (cache) data into this reserved
memory area. Select
Write Protect
to enable the function and this area will be re-
served for Video 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 allows the data stored in the base memory area of block
0-512K to be cached into a buffer, a storage area in the Static DROM (SDROM)
or to be written into L1, L2 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. Se-
lect Write Protect to prevent data from being written into the base memory area of
Block 0-512K. Select Write Back to allow the CPU to write data back directly from
the buffer without writing data to the System Memory for fast CPU data process-
ing and operation. The options are Uncached, Write Through, Write Protect, and
Write Back
.
Cache Base 512K-640K
If enabled, this feature allows the data stored in the memory area of 512K-640K to
be cached into a buffer, a storage area in the Static DROM (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 512K-640K.
Select Write Back to allow the 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 allows the data stored in the extended memory area to be
cached (written) into a buffer, a storage area in the Static DROM (SDROM) or written
