Supero X10SAE - Page 81

Chapter 4: AMI BIOS
4-15
Memory Frequency Limiter
This feature sets the limit of memory frequency for DIMM modules installed
on the the motherboard. The options are Auto, 1067 (MHz), 1333 (MHz), and
1600 (MHz).
Max TOLUD (Top of Low Usable DRAM)
This feature sets the maximum TOLUD value, which species the "Top of Low
Usable DRAM" memory space to be used by internal graphics devices, GTT
Stolen Memory, and TSEG, respectively, if these devices are enabled. The op-
tions are Enabled and Dynamic, 1 GB, 1.25 GB, 1.5 GB, 1.75 GB,. 2 GB, 2.25
GB, 2.5 GB, 2.75 GB, 3 GB and 3.25 GB.
Note: TSEG is a block of memory that is only accessible by the processor
while operating in SMM mode.
Memory Scrambler
This feature enables or disables memory scrambler support for memory error
correction. The settings are Enabled and Disabled.

PCH-IO Conguration
This item displays the information for PCH-IO Chip.
•Intel PCH Rev ID
•USB Conguration
•USB Devices
EHCI1
Select Enabled to enable EHCI (Enhanced Host Controller Interface) Controller 1
for USB 2.0 support. One EHCI controller must always be enabled. The settings
are Enabled and Disabled.
EHCI2
Select Enabled to enable EHCI (Enhanced Host Controller Interface) Controller 2
for USB 2.0 support. One EHCI controller must always be enabled. The settings
are Enabled and Disabled..
Legacy USB Support
This feature enables support for legacy USB devices. Select Auto to disable
legacy support if USB devices are not present. Select Disable to have USB
devices available only for EFI applications. The options are Enabled, Disabled
and Auto.