National Instruments IC-3173, Руководство пользователя

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USB Configuration Submenu
The USB configuration submenu contains the USB host ports settings. The factory default
settings provide the most compatible and optimal configuration.
•
USB Devices—This item lists the total number of devices detected in the system,
categorized by device type.
• Legacy USB Support—This setting specifies whether legacy USB support is enabled.
Legacy USB support refers to the ability to use a USB keyboard and mouse in a legacy
operating system such as DOS.
• Overcurrent Reporting—This setting allows the BIOS to notify the operating system
about any USB ports that source too much current. The default value is
Disabled .
Hardware overcurrent protection is always active and cannot be disabled.
• Transfer Timeout—This setting specifies the timeout value for Control, Bulk, and
Interrupt USB transfers. The default value is
20 seconds.
• Device Reset Timeout—This setting specifies the number of seconds the POST waits for
a USB mass-storage device to start. The default value is
20 seconds.
• Device Power-Up Delay—This setting specifies the maximum time a device takes before
enumerating. Valid options are
Auto and Manual . The default value is Auto . When set to
Auto , a root port is granted 100 ms, and the delay value of a hub port is assigned from the
hub descriptor.
• Device Power-Up Delay in Seconds—This setting specifies the number of seconds the
POST waits for a USB device or hub to power on. This setting is only visible when the
Device Power-Up Delay is set to
Manual . The default value is 5 seconds.
• Mass Storage Devices—This list allows you to configure how the BIOS presents the USB
mass-storage device to the system for each detected USB mass-storage device. This
option presents a USB mass-storage device as a floppy, Zip, hard disk, or CD-ROM
drive. The default value is
Auto , which allows the BIOS to treat small USB flash disk
drives as floppy drives and larger USB flash disk drives as hard disk drives.
Serial Port Configuration Submenu
Use this submenu to view the serial port configuration.
•
RS485/RS232 Select—This setting selects the transceiver mode between RS-232 and
RS-485. The default value is
RS485 .
• RS-485 Configuration—Use this menu to configure the RS-485/422 wire-mode. The
default value is
Auto .
Boot Menu
This screen displays the boot order of devices associated with the IC-3173 and allows you to
configure the boot settings.
The Boot setup menu includes the following submenus:
•
Boot Settings Configuration—Use this setting to access the Boot Settings Configuration
submenu.
• PXE Network Boot—This setting specifies whether or not the PXE network boot agent is
enabled. The default value is
Disabled . To enable this setting, you must select Enable
and then select Save & Exit to restart the device. When this setting is enabled, the Intel
IC-3173 User Manual | © National Instruments | 29