Kontron AM4022 uEFI BIOS - Manual (Page 21)

AM4022 uEFI BIOS Main Setup
ID 1052-1333, Rev. 1.0 Page 15
2.6.2 USB Hardware Delays and Time-outs
2.6.2.1 USB Transfer Timeout
This setting selects the timeout in seconds that the USB core will wait for Control, Bulk, and
Interrupt transfers.
Default setting: 20 sec
2.6.2.2 Device Reset Timeout
This setting selects the timeout in seconds that the POST will wait for a USB mass storage de-
vice to become ready after start unit command.
Default setting: 20 sec
2.6.2.3 Device Power-up Delay
This setting determines the maximum time the device will take before it properly reports itself
to the Host Controller. 'Auto' uses a default value: for a Root port it is 100 ms, for a Hub port
the delay is taken from Hub descriptor.
If the Manual option is chosen, the device power up delay in seconds field will be enabled to
accept a delay ranging from 1 to 40 seconds.
Default setting: auto
SETTING DESCRIPTION
0 1 sec
0 5 sec
10 sec
20 sec
Use one of these settings to specify how long the USB core is to wait for Control, Bulk, and
Interrupt transfers.
SETTING DESCRIPTION
10 sec
20 sec
30 sec
40 sec Use one of these settings to specify how long the POST will wait for a USB mass storage
device to become ready after the start unit command.
SETTING DESCRIPTION
auto Use this setting to specify a default delay time for a Root or Hub port.
(root port = 100ms; hub port = value in hub descriptor)
manual Use this setting to specify a delay time from 1 to 40 seconds.
(contents of seconds field)