12 – English Mainboard D2778
12 Fujitsu Technology Solutions
SmartCase DynamicUSB
This is hardware security circuit which will disable the USB-port if a USB-device is removed so no
other USB-devices can be attached. Goal is that no data can be stolen by connecting i.e. a USB-
stick. This function is completely realiszed in hardware and BIOS and therefore totally independent of
any OS or Software interaction.
This feature needs to be enabled via BIOS-Setup. During boot phase BIOS will allow specified
attached USB-devices (not allowed devices will not work). Ports where no device is connected will be
disabled by BIOS automatically. If a USB device is removed system must be power-cycled (S4 or
S5-state) before any other USB device can be detected on this port again. Also if a USB device is
removed during runtime pin 6 of the LCD-connector will be asserted (and SmartCase DynamicUSB
Icon on LCD will be switched on) to indicate an SmartCase DynamicUSB event.
All USB-Ports (external and internal) beside USB Port 5 support SmartCase DynamicUSB.
The following device classes are specified within the USB specification. Bold/cursive written classes
are not allowed USB devices (if SmartCase DynamicUSB is enabled) – ports with such devices
connected during BIOS post phase will be disabled by BIOS.
● Hub Class (not allowed)
● Human Interface Device
● Monitor-Controll
– Direct Line Control Model
– Data Interface Class (not allowed)
– Abstrace Control Model
– Telephone Control Model
● Power Device
● Audio Device
– Audio Control
– Audio Streming
– MIDI Streaming
● Printer Device
● Communication Device (not allowed)
● Mass Storage Device (not allowed)
– Gen. Mass Storage (not allowed)
– CD/DVD Rom/RW (not allowed)
o Mass Storage (not allowed)
o Audio Interface
o Audio & Video
– Tape (not allowed)
– Solid State (not allowed)
● USB IrDA Bridge Definition (not allowed)
● Image Device Class (not allowed)
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