Hitachi Compute Rack 210H, Bios Manual

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1-26 System BIOS
Hitachi Compute Rack 210H/220H BIOS Guide
The following table shows description of menu items.
Table 1-14: USB Configuration submenu items
Menu items Selection
1
Description
USB Configuration
USB Device - Displays the detected USB devices.
Legacy USB Support

[Enabled]

Disabled

Auto
Sets USB devices to use in legacy mode.
EHCI Hand-off

[Disabled]

Enabled
Sets USB legacy mode to disabled.
Port 60/64 Emulation

Disabled

[Enabled]
Sets PS/2 keyboard/mouse emulation.
USB hardware delays and time-outs:
USB transfer time-out

1 sec

5 sec

10 sec

[20 sec]
Sets USB transfer time-out.
Device reset time-out

10 sec

[20 sec]

30 sec

40 sec
Sets USB device reset time-out.
Device power-up delay

[Auto]

Manual
Sets delay of USB device powering-up.
Device power-up delay
in seconds
2

[5]

1-40
Sets delay time of USB device powering-up.
Mass Storage Devices:
3
xxxxxxxxxxxxxxx 3

[Auto]

Floppy

Forced FDD

Hard Disk

CD-ROM
Sets the emulation mode of a USB mass storage
device.
Notes:
1 A value in square brackets, [ ], shows the default.
2 This item is displayed when
Device power-up delay is set Manual , but not supported.
3 This item is displayed when a USB mass storage device is connected to the system unit.