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Acer Network Device Altos R520 User Manual

Page 118

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4 BIOS setup

108

Legacy USB
Support

Enables or disables the support for
legacy USB devices.

Enabled

Disabled

Auto

Port 60/64
Emulation

Enables or disables the I/O port 60/64h
emulation support.

This parameter is enabled for complete
USB keyboard legacy support for non-
USB aware OS.

Enabled

Disabled

Device Reset
Timeout

Select the number of seconds POST waits
for the USB mass storage device after
the start unit command.

20 Sec

10 Sec

30 Sec

40 Sec

Storage
Emulation

When set to Auto, USB mass storage
devices with less than 530 MB will be
emulated as a floppy and the remaining
as hard drives.

The Forced FDD option can be used to
force a formatted HDD to boot as a FDD.

Auto

Floppy

Forced FDD

CD-ROM

Hard Disk

USB 2.0
Controller

Sets the transfer rate at Hi Speed
(480 Mbps) or Full Speed (12 Mbps).

Enabled

Disabled

Parameter

Description

Option