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Appendix A
Controller Operating System and BIOS Configuration
cDAQ-9132/9133/9134/9135/9136/9137 for LabVIEW Real-Time controllers is
Disabled
.
The default value on cDAQ-9132/9133/9134/9135/9136/9137 for Windows controllers is
Enabled
.
•
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 a hub port’s delay value 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.
•
Emulation Type
—This setting, available for each detected device if a USB mass storage
device is present, specifies how the BIOS presents the USB mass storage device to the
system. This option can be used to present 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.
Security Menu
Use this menu to enable BIOS security options.
•
Administrator Password
—This setting specifies a password that must be entered to
access the BIOS setup utility. If only the Administrator’s password is set, then this only
limits access to the BIOS setup utility and is only asked for when entering the BIOS setup
utility. By default, no password is specified.
•
User Password
—This setting specifies a password that must be entered to access the BIOS
setup utility or to boot the system. If only the User’s password is set, then this is a power-on
password and must be entered to boot or enter the BIOS setup utility. In the BIOS setup
utility, the User has Administrator rights. By default, no password is specified.