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Appendix D: FAQs
324
USB Profiles
What is a USB profile?
Certain servers require a specifically configured USB interface for USB
based services such as virtual media. The USB Profile tailors the KSX
II‟s USB interface to the server to accommodate these server specific
characteristics.
Why would I use a USB profile?
USB Profiles are most often required at the BIOS level where there may
not be full support for the USB specification when accessing virtual
media drives.
However, profiles are sometimes used at the operating system level, for
example, for mouse synchronization for Mac
®
and Linux
®
servers.
How is a USB profile used?
Individual or groups of ports can be configured by the administrator to
use a specific USB profile in the KSX II‟s Port Configuration pages.
A USB profile can also be selected in the KSX II client when required.
What happens if I don't choose the correct USB profile?
Not choosing the right USB profile for a KVM target server can prevent a
mass storage device, mouse, or keyboard from working optimally or
working at all.
Do I always need to set a USB profile when I use virtual media?
No, in many cases, the default USB Profile is sufficient when using
virtual media at the OS level or operating at the BIOS level without
accessing virtual media.
What profiles are available?
See Available USB Profiles (on page 105).
How do I know which USB profile is best for a given target server?
The Generic profile is best for the vast majority of target servers. If this
profile does not work with a given KVM target server, you can choose the
appropriate USB profile in Available USB Profiles (on page 105). Select
the profile that best matches your target server.
What is the purpose of a BIOS profile?
A BIOS profile has been tailored to match the requirements of a
particular server‟s BIOS that does not implement the full USB
specification. The profile enables use of keyboard, mouse, and virtual
media at the BIOS level, overcoming the restrictions or limitations of the
BIOS.