IBASE IB960 User Manual

Page 39

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BIOS SETUP

IB960F User’s Manual

EHCI Hand-off
Enabled/Disabled. This is a workaround for OSes without EHCI hand-off
support. The EHCI ownership change should be claimed by EHCI driver.

Port 64/60 Emulation
Enables 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
The time-out value for Control, Bulk, and Interrupt transfers.

Device reset tine-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 100ms, for

a Hub port the delay is taken from Hub descriptor.