BOLT
UDOO BOLT User Manual - Rev. First Edition: 1.0 - Last Edition: 1.0 - Author: S.B. - Reviewed by L.V. Copyright © 2019 SECO S.p.A.
60
4.3.16
SDIO configuration submenu
4.3.17
USB configuration submenu
Menu Item
Options
Description
SDIO Access Mode
Auto
ADMA
SDMA
PIO
Auto option: Access to SD Device in DMA Mode, if the controller supports it, otherwise in PIO Mode.
DMA option: Access the SD Device in DMA mode only.
PIO option: Access the SD Device in PIOmode only.
MMC
Name and capacity
Auto
Floppy
Forced FDD
Hard Disk
Mass storage device emulation type.
With
‘
Auto
’
, enumerates devices less than 530MB as Floppies.
Forced FDD option can be used to force HDD formatted rive to boot as a FDD.
Menu Item
Options
Description
Legacy USB Support
Enabled / Disabled /
Auto
Enables Legacy USB Support. AUTO Option disables legacy support if no USB devices are connected.
DISABLE option will keep USB devices available only for EFI applications.
XHCI hand-off
Enabled/ Disabled
This is a workaround for OSes without XHCI hand-off support. The XHCI ownership change should be
claimed by XHCI driver.
USB Mass Storage Driver Support
Enabled/ Disabled
Enables or disables USB Mass Storage Driver Support
Port 60/64 Emulation
Enabled/ Disabled
Enables or disables I/O port 60h/64h emulation support. This should be enabled for the complete USB
keyboard legacy support for non-USB aware OSes.
USB Transfer time-out
1 sec / 5 sec / 10 sec /
20 sec
Sets the time-out value for Control, Bulk and Interrupt transfers
Device reset time-out
10 sec / 20 sec / 30
sec / 40 sec
USB mass storage device Start Unit command time-out
Device power-up delay
Auto / Manual
Sets the maximum time that the device will take before it properly reports itself to the Host controller.
‘
Auto
’
uses the default vale (for a Root port it is 100ms, for a Hub port the delay is taken from the Hub descriptor).
Device power-up delay in seconds
[1..40]
Delay range in seconds, in one second increment
