Acer Aspire M5640 Service Guide for Aspire M1640 / M3640 / M5640 - Page 41

The following table describes the parameters found in this menu. Parameter On Chip USB UDB Memory Type USB KB Legacy Support USB Mouse Support ALC888S Audio MAC LAN MAC LAN Boot ROM Description Options This field allows you to determine on [V1.1+V2.0], [V1.1] chip USB type or disable on chip USB. Use this item to change the type of [Shadow], [Base USB memory to shadow or Base Memory] memory. This field enables or disables USB [Enabled], [Disabled] keyboard support function. This field enables or disables USB [Enabled], [Disabled] mouse support function. Change the on board Audio to auto or [Auto], [Disable] disabled Enables or disables onboard LAN [Enabled], [Disabled] 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. Enables or disables on board LAN [Enabled], [Disabled] boot ROM. 35