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ARK-2121 User Manual
Chapter 3
B
IOS Settings
Legacy USB Support
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
This is a workaround for OSes without XHCI hand-off support. The XHCI owner-
ship change should be claimed by XHCI driver.
EHCI Hand-Off
This is a workaround for OSes without EHCI hand-off support. The EHCI owner-
ship change should claim by EHCI driver.
USB Mass Storage Driver Support
Enable/Disable USB Mass Storage Driver Support.
USB transfer time-out
Time-out value for control, Bulk, and interrupt transfers.
Device reset time-out
USB mass storage device start unit command time-out.
Device power-up delay
Maximum time the device will take before it properly reports itself to the Host
Controller. 'Auto' uses default value: for a Root port it is 100 ms, for a Hub port
the delay is taken from Hub descriptor.
3.5
Security Configuration
TXE
TXE HMRFPO Disable
TXE Firmware Update
TXE EOP Message
Send EOP Message Before Enter OS
Summary of Contents for ARK-2121
Page 1: ...User Manual ARK 2121 Fanless Embedded Box PC...
Page 8: ...ARK 2121 User Manual viii...
Page 11: ...Chapter 1 1 General Introduction This chapter gives background information on ARK 2121 series...
Page 28: ...ARK 2121 User Manual 18...
Page 29: ...Chapter 3 3 BIOS Settings...
Page 52: ...ARK 2121 User Manual 42...
Page 53: ...Appendix A A Watchdog Timer Sample Code...
Page 55: ...45 ARK 2121 User Manual Appendix A Watchdog Timer Sample Code...