ARK-2121V User Manual
50
5.2.2.10
USB Configuration
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.
Summary of Contents for ARK-2121V
Page 1: ...User Manual ARK 2121V In Vehicle HD NVR w 4 PoE Ports...
Page 10: ...ARK 2121V User Manual x...
Page 11: ...Chapter 1 1 General Introduction This chapter gives background information on ARK 2121V series...
Page 16: ...ARK 2121V User Manual 6...
Page 33: ...Chapter 4 4 Pin Assignments This chapter explains Pin Assign ments of ARK 2121V Series...
Page 46: ...ARK 2121V User Manual 36...
Page 47: ...Chapter 5 5 BIOS settings This chapter introduces how to set BIOS configuration data...
Page 52: ...ARK 2121V User Manual 42 5 2 2 2 Super I O Configuration...
Page 71: ...Appendix A A WDT Sample Code...
Page 73: ...63 ARK 2121V User Manual Appendix A WDT Sample Code...