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USB Configuration
Figure 2.7 USB
Configuration sub-menu
Legacy USB Support
When enabled, the BIOS will enable legacy support for USB keyboards, mice and floppy drives. You will be
able to use these USB devices even with operating systems that do not support USB.
EHCI Hand-Off
This item allows you to enable support for operating systems without an EHCI hand-off feature.
USB transfer time-out
This item allows you to specific the USB transfer timeout value for control, bulk, and interrupt transfers.
Device reset time-out
This item allows you to specific the timeout periods for USB device initialization and the Start Unit command
to enable mass storage access operations.
Device power-up delay
This item allows you to select the time for devices report themselves to the Host Controller, including through
USB hubs. When set to Auto, root port devices will be given 100 ms, while devices connected to hubs will
be given time as specified in the Hub descriptor When this parameter is set to Manual, a delay from 1 to 40
seconds can be selected.
Summary of Contents for EC-1559
Page 1: ...POS Terminal EC 1559 Service Manual...
Page 2: ......
Page 8: ...vi...
Page 36: ...28 C H A P T E R 2 B I O S S E T U P...
Page 43: ...35 4 When installation is completed click Finish...
Page 47: ...39 10 Click Next to continue 11 Click Next to continue...
Page 58: ...50 C H A P T E R 4 L O C AT I N G T H E P R O B L E M...
Page 71: ...63 APPENDIX PART LIST AND SPECIFICATION Figure 6 1 Exploded diagram main parts...
Page 72: ...64 A P P E N D I X Figure 6 2 Exploded peripheral parts...
