Acer Aspire M5640 - Manual (Page 41)

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The following table describes the parameters found in this menu.
Parameter Description Options
On Chip USB This field allows you to determine on
chip USB type or disable on chip USB. [V1.1+V2.0], [V1.1]
UDB Memory Type Use this item to change the type of
USB memory to shadow or Base
memory.
[Shadow], [Base
Memory]
USB KB Legacy
Support This field enables or disables USB
keyboard support function. [Enabled], [Disabled]
USB Mouse
Support This field enables or disables USB
mouse support function. [Enabled], [Disabled]
ALC888S Audio Change the on board Audio to auto or
disabled [Auto], [Disable]
MAC LAN Enables or disables onboard LAN
controller, If you wish to use the
motherboard’s onboard LAN
controller, you should certainly enable
this BIOS feature.
You can disable this feature if you do
not want to use the motherboard’s
onboard LAN controller. This may free
up an IRQ for other devices to use.
This is useful if your motherboard
does not support APIC and have many
devices that can not share IR Qs. [Enabled], [Disabled]
MAC LAN Boot
ROM Enables or disables on board LAN
boot ROM. [Enabled], [Disabled]