User's Guide

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Optical Disk Drive Select Feature
Optical disk drive select feature allows you to select the CPU blade that can use the USB interface device.
Selecting this feature changes the connection between USB 1 system of the CPU blade and optical disk
drive in media box, and USB device connected to the USB connector.
The optical disk drive in media box and the USB devices connected to the USB connector are connected
via the USB interface. If the OS requires initialization of USB devices, wait until the startup sequence
completes with the relevant slot being selected for optical disk drive.
Selecting these devices using the optical disk drive select feature after OS has started up is equivalent to
procedure to add or remove USB device. This is subject to the restrictions of OS. Ensure that the optical
disk drive is in the media box and USB devices connected to the USB connector are not being accessed
before attempting to switch connections of CPU blades.
For Windows, execute [Remove device safely (removal of hardware)] before switching the blade.
If you are going to perform any of the following operations, make sure on the SIGMABLDE monitor or
OSD that the KVM has been selected for the relevant slot before powering on the CPU blade.
IMPORTANT:
“Legacy USB Support” feature of the system BIOS enables the USB device under the OS that does not
support the USB interface. If you are using the keyboard and mouse in such an environment and you
make change to the USB device configuration, the USB devices will no longer works normally.
 When installing the OS in manual mode
 When using the ROM-DOS
 When using the NEC EXPRESSBUILDER
 When changing the system BIOS setup
There may be a negative effect on the overall system if you switch CPU blade connections with the optical
disk select feature while performing the abovementioned operations.