Supermicro SYS-5038A-IL Manuel d'utilisateur télécharger pdf (Page 97)

Chapter 7: BIOS

7-15

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 speciﬁ 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 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

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.

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Supermicro SYS-5038A-IL Manuel d'utilisateur Page 97