Lpss & scc configuration – Kontron COMe-cBT6 User Manual

Page 81

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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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