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System BIOS Intel® Server Board SE7520JR2
Revision 1.0
C78844-002
92
4.4.2.2.5 USB Configuration Sub-menu
Table 27: BIOS Setup, USB Configuration Sub-menu Selections
Feature Options Help Text Description
USB Configuration
USB Devices
Enabled
N/A N/A List of USB
devices detected
by BIOS.
USB Function Disabled
Enabled
Enables USB HOST controllers. When set to
disabled, other
USB options are
grayed out.
Legacy USB Support Disabled
Keyboard only
Auto
Keyboard and Mouse
Enables support for legacy USB. AUTO option
disables legacy support if no USB devices are
connected. If disabled, USB Legacy Support will
not be disabled until booting an OS.
Port 60/64 Emulation
Disabled
Enabled
Enables I/O port 60/64h emulation support.
This should be enabled for the complete USB
keyboard legacy support for non-USB aware
OSes.
USB 2.0 Controller Disabled
Enabled
N/A
USB 2.0 Controller
mode
FullSpeed
HiSpeed
Configures the USB 2.0 controller in HiSpeed
(480Mbps) or FullSpeed (12Mbps).
USB Mass Storage
Device Configuration
N/A Configure the USB Mass Storage Class
Devices.
Selects submenu
with USB Device
enable.
a. USB Mass Storage Device Configuration Sub-menu
Table 28: BIOS Setup, USB Mass Storage Device Configuration Sub-menu Selections
Feature Options Help Text Description
USB Mass Storage Device Configuration
USB Mass Storage
Reset Delay
10 Sec
20 Sec
30 Sec
40 Sec
Number of seconds POST waits for the USB
mass storage device after start unit command.
Device #1 N/A N/A Only displayed if a device
is detected, includes a
DeviceID string returned
by the USB device.
Emulation Type
Auto
Floppy
Forced FDD
Hard Disk
CDROM
If Auto, USB devices less than 530MB will be
emulated as Floppy and remaining as hard drive.
Forced FDD option can be used to force a HDD
formatted drive to boot as FDD (Ex. ZIP drive).