Kontron COMe-mTT10 User Manual page 78

SDIO Configuration
Feature
SDIO Access Mode
External SDIO
Ext. SDIO Clock
Onboard SDIO Clock
PowerOn Delay
78
Options
Auto
DMA
PIO
Disabled
Enabled
25MHz
12.5MHz
6.25MHz
25MHz
12.5MHz
6.25MHz
10
50ms
200ms
500ms
1s
COMe-mTT10 / BIOS Operation
Description
Auto Option: Access SD device in DMA mode if controller
supports it, otherwise in PIO mode. DMA Option: Access
SD device in DMA mode, PIO Option: Access SD device in
PIO mode
Enable/Disable external SDIO slot on Acrrier board. If
disabled, the SDIO pins for this Slot will be used as
GPIOs
Select the maximum allowable speed for the slot. Actual
speed may be lower depending on controller
capabilities
Select the maximum allowable speed for the slot. Actual
speed may be lower depending on controller
capabilities
Select SDIO PowerOn Delay