Kontron COMe-cBT6 - Manual (Page 81)

COMe-cBT6 / BIOS Operation
LPSS & SCC Configuration
Feature Options Description
LPSS & SCC Devices Mode ACPI Mode
PCI Mode Select operation mode for Low Power Super Speed LPSS
devices eMMC/SDCard. For eMMC full speed operation
the LPSS mode should be set to “ACPI”
SCC eMMC Boot Controller Disable
Auto Detect
eMMC 4.41
eMMC 4.5
Disable or select eMMC Boot mode
eMMC 4.5 support Disable
Enable Enabled: eMMC 4.5, Disabled: eMMC 4.41
eMMC DDR50 Support Disable
Enable
Enable / Disable DDR50 speed mode for eMMC
eMMC HS200 Support Disable
Enable
Enable / Disable HS200 speed mode for eMMC. For
eMMC full speed operation the HS200 mode should be
enabled.
- eMMC retune timer value 8 Select the retune timer in HS200 mode
SCC SD Card Support Disable
Enable Enable/Disable onboard SD Card socket
SD SDR 25 Support Disable
Enable Enable bus speed operation up to 25MB/s for SDCard
(High Speed). Disable limits bus speed to 12.5MB/s
(normal speed)
SD SDR 50 Support Disable
Enable Enable bus speed operation up to 50MB/s for SDCard
(Ultra High Speed). Disabled activates SDR25 mode
setting
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