X86
UDOO X86 User Manual - Rev. First Edition: 1.0 - Last Edition: 1.0 - Author: S.B. - Reviewed by M.B. Copyright © 2017 SECO S.r.l.
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4.3.4.3
LPSS & SCC configuration submenu
4.3.4.4
Miscellaneous Configuration submenu
Menu Item
Options
Description
Hide unused LPSS devices
Enable / Disable
Hide Unused LPSS & SCC ACPI Devices.
LPSS & SCC Auto Switch
Enable / Disable
Auto switches LPSS and SCC devices from ACPI mode to PCI mode when the OS doesn
’
t support
ACPI mode.
ACPI GPIO Devices Support
Enabled (ACPI) / Disabled
Enable or Disable GPIO ACPI Devices Support
eMMC Support
Disabled / Enabled (PCI) /
Enabled (ACPI)
Disable the eMMC Support, or enables it in PCI or ACPI Mode.
SD Card Support
Disabled / Enabled (PCI) /
Enabled (ACPI)
Disable the SD Card Support, or enables it in PCI or ACPI Mode.
DMA #1 Support
Disabled / Enabled (PCI) /
Enabled (ACPI)
Allows to enable first DMA Channel, which onboard is used to support the UART interfaces
HSUART #1
Disabled / Enabled
Can be changed only when
“
DMA #1 Support
”
is not Disabled.
Enable / Disable the UART interface #1 available on connector CN15
HSUART #2
Disabled / Enabled
Can be changed only when
“
DMA #1 Support
”
is not Disabled.
Enable / Disable the UART interface #2 available on connector CN15
DMA #2 Support
Disabled / Enabled (PCI) /
Enabled (ACPI)
Allows to enable second DMA Channel, which on-board is used to support the I2C Channel
I2C #1 - CN14 pin 10/12
Disabled / Enabled
Can be changed only when
“
DMA #2 Support
”
is not Disabled.
Enable / Disable the I2C port #0 available on connector CN14, pins 10/12
I2C #2 - CN14 pin 2/4
Disabled / Enabled
Can be changed only when
“
DMA #2 Support
”
is not Disabled.
Enable / Disable the I2C port #5 available on connector CN14, pins 2/4
Menu Item
Options
Description
RTC Lock
Enabled / Disabled
When Enabled, bytes 38h-3F8h in the lower/upper 128-byte bank of RTC RAM will be locked.
BIOS Lock
Enabled / Disabled
Enable or disable BIOS SPI region write protect.
LPC Support
Enabled / Disabled
Enable or disable the LPC support on connector CN13 (pins 2 / 4 / 6 / 8 / 10 / 12 / 14). When disabled,
the LPC dedicated pins will be available as GPIOs