Supero X7SBU, User Manual

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Chapter 4: BIOS
4-11
USB Host Controller
This feature enables or disables USB Controller in Dev 29 Function 0,1,2,3,7.
EHCI Controller
This feature enables the onboard Enhanced Host Controller Interface. The options
Enabled and Disabled.
Legacy USB Support
This feature enables support for legacy universal serial bus. The options are en-
able and disable.
 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 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
This setting allows you to designate a reserve area in the system memory to be
used as a Video BIOS buffer and allow BIOS to write (cache) data into this reserved
memory area. Select default to enable the function and this area will be reserved
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 will allow the data stored in the base memory area: block
0-512K to be cached (written) 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 al-
low 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 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.