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ERVER 5038ML-H12TRF User's Manual
Max TOLUD (Top of Low Usable DRAM)
This feature sets the maximum TOLUD value, which specifi es the "Top of Low
Usable DRAM" memory space to be used by internal graphics devices or graph-
ics controllers, if these devices are enabled. The options are
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.
Memory Scrambler
Select Enabled to enable memory scrambler support for memory error correction.
The settings are
Enabled
and Disabled.
PCH-IO Confi guration
This item displays the information for PCH-IO Chip.
•
Intel PCH Rev ID
•
USB Confi 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
Select Enabled to support legacy USB devices. Select Auto to disable legacy sup-
port if legacy USB devices are not present. Select Disable to have USB devices
available only for EFI applications. The options are
Enabled,
Disabled and Auto.
Port 60/64 Emulation
Select Enabled to support I/O Port 60h/64h Emulation which will allow a legacy
USB keyboard to be fully supported by an operating system that does not
recognize a USB device. The options are Disabled and
Enabled
.
XHCI Hand-Off
This item is a work-around solution for operating systems that do not support
XHCI (Extensible Host Controller Interface) hand-off. The XHCI ownership
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