Q7-974
Q7-974 User Manual - Rev. First Edition: 0.1 - Last Edition: 2.3 - Author: S.B. - Reviewed by G.G. Copyright © 2017 SECO S.r.l.
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4.3.6
Miscellaneous Configuration submenu
4.3.7
Security configuration (TXE) submenu
Please notice that all these items can be modified only with Celeron
®
SOCs. With Atom SOCs, these items cannot be modified.
Menu Item
Options
Description
HPET - HPET Support
Enabled / Disabled
If this feature is enabled, the High Precision Event Timer table will be added into ACPI Tables.
Clock Spread Spectrum
Enabled / Disabled
Allows enabling Clock Chip
’
s Spread Spectrum feature.
BIOS Lock
Enabled / Disabled
Enable or disable BIOS SPI region write protect.
PCI MMIO Size
0.75GB
1.5GB
2GB
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.
Memory optimization for 32-bit
Windows OS
Enabled / Disabled
When using Windows 32-bit versions, enabling this feature will allow a better memory resource allocation.
PCI Express Dynamic Clock
Gating
Enabled / Disabled
Enable or Disable PCI Express Dynamic Clock Gating.
Force Legacy Free
Enable / Disable
When enabled, this item will force the Legacy Free mode (it will disable the KBC).
Serial IRQ
Enabled / Disabled
Enables or disables the Serial IRQ.
Serial IRQ Mode
Quiet Mode
Continuous Mode
Select Serial IRQ Mode. In continuous mode, the host will continually check for device interrupts. In Quiet
Mode, Host will wait for a SERIRQ slave to generate a request by driving the SERIRQ line low.
Intel I210/I211 Led1
Default
Activity
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
Menu Item
Options
Description
TXE
Disabled / Enabled
Enable or Disable the Intel
®
Trusted Execution Engine (TXE, available only on Celeron CPUs)
TXE HMRFP0
Disabled / Enabled
Enable this option to remove temporarily the flash protection, in order to program the Intel
®
TXE region
TXE Firmware update
Disabled / Enabled
Enable this option to require a re-flashing of TXE Firmware Image
TXE EOP Message
Disabled / Enabled
Send EOP (End of POST) Message before entering OS
TXE Unconfiguration Perform
Yes / No
Only selectable on CPUs with the TXE feature.
Allows to revert TXE settings to the factory defaults
