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4 BIOS setup

 

 

 

Parameter

Description

Option

 

 

 

Legacy USB

Enables or disables the support for

Enabled

Support

legacy USB devices.

Disabled

 

 

Auto

Port 60/64

Enables or disables the I/O port 60/64h

Emulation

emulation support.

 

This parameter is enabled for complete

 

USB keyboard legacy support for non-

 

USB aware OS.

Enabled

Disabled

Device Reset

Select the number of seconds POST waits

Timeout

for the USB mass storage device after

 

the start unit command.

20Sec

10Sec

30Sec

40Sec

Storage

When set to Auto, USB mass storage

Emulation

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

Sets the transfer rate at Hi Speed

Enabled

Controller

(480 Mbps) or Full Speed (12 Mbps).

Disabled

 

 

 

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Acer Altos R520 manual 20 Sec, Auto