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4.3.6
Miscellaneous Configuration submenu
Menu Item
Options
HPET - HPET Support
Enabled / Disabled
Clock Spread Spectrum
Enabled / Disabled
BIOS Lock
Enabled / Disabled
0.75GB
PCI MMIO Size
1.5GB
2GB
Memory optimization for 32-bit
Enabled / Disabled
Windows OS
PCI Express Dynamic Clock
Enabled / Disabled
Gating
Force Legacy free
Enabled / Disabled
Serial IRQ
Enabled / Disabled
Serial IRQ Mode
Quiet Mode / Continuous Mode
Default
Intel I210/I211 Led1
Activity
Memory Scrambler
Enabled / Disabled
ETX-A61
ETX-A61 User Manual - Rev. First Edition: 1.0 - Last Edition: 1.2 - Author: S.B. - Reviewed by G.G. Copyright © 2017 SECO S.r.l.
Description
High Precision Event Timer is supported in Windows Vista or above. HPET controller should not been seen
in Windows XP, no matter if enabled/disabled in SCU. If this feature is enabled, the HPET table will be
added into ACPI Tables.
Allows enabling Clock Chip's Spread Spectrum feature
Enable or disable BIOS SPI region write protect
Setup PCI Memory Mapped IO Space, 0.75GB, 1.5GB or 2GB.
Note: to avoid system hangs caused by insufficient memory allocation, reducing this value may lead to the
reduction of the IGD aperture size selected in Advanced Menu Video Configuration submenu.
When using Windows 32-bit versions, enabling this feature will allow a better memory resource allocation.
Enable or Disable PCI Express Dynamic Clock Gating
Forces Legacy free mode when enabled (it forces the disable of KBC)
Enable or Disable the Serial IRQ
Select the Serial IRQ Mode. In "Quiet Mode", the host continually generates SERIRQ frames to check for
device interrupts. In "Continuous Mode", the Host waits for a Serial IRQ slave to generate a request by
asserting the SERIRQ signal
®
Intel
I210/I211 Gb Ethernet controller LED1 behaviour. Default setting makes LED1 active on link. Setting
to "Activity" makes LED1 active only when network traffic is present
Enable or disable the memory scrambler feature.
Please be aware that WEC7 requires the memory scrambler enabled, while Linux requires that it is
disabled.
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