Menu item Submenu item Selection Comments Network

Table 4. Config menu items

Menu item	Submenu item	Selection		Comments

Network	Wake On LAN	•	Disabled	Enable the system to Power on
		•	AC Only	when the Ethernet controller
		•	AC Only	receives a magic packet (a
		•	AC and Battery	receives a magic packet (a
		•	AC and Battery	special network message).
				If you select AC Only, the Wake
				on LAN function will be enabled
				only when the ac power adapter
				is attached.
				If you select AC and Battery,
				the Wake on LAN function will be
				enabled with any power sources.
				Notes:
				• The magic packet type Wake
				on LAN requires ac power.
				• The Wake on LAN function
				does not work when a hard
				disk password is set.

	Ethernet LAN Option ROM	•	Disabled	Load the Ethernet LAN Option
		•	Enabled	ROM to enable startup from an
	(for Legacy Only boot	•	Enabled	integrated network device.
	(for Legacy Only boot			integrated network device.
	mode or Both with Legacy
	first)

	UEFI IPv4 Network Stack	•	Disabled	Enable or Disable UEFI IPv4
		•	Enabled	Network Stack for UEFI
	(for UEFI Only boot mode	•	Enabled	environment
	(for UEFI Only boot mode			environment
	or Both with UEFI first)

	UEFI IPv6 Network Stack	•	Disabled	Enable or Disable UEFI IPv6
		•	Enabled	Network Stack for UEFI
	(for UEFI Only boot mode	•	Enabled	environment
	(for UEFI Only boot mode			environment
	or Both with UEFI first)

	UEFI PXE Boot Priority	•	IPv6 First	Select Network Stack Priority for
	(for UEFI Only boot mode	•	IPv4 First	UEFI PXE Boot.
		•	IPv4 First

	and Both with UEFI first
	and IPv6 and IPv4 stacks
	are both enabled.)

USB	USB UEFI BIOS Support	•	Disabled	Enable or disable boot support
		•	Enabled	from USB storage devices.
		•	Enabled

	Always On USB	•	Disabled	The USB connectors can charge
		•	Enabled	external device during low power
		•	Enabled	states (standby, hibernate or
				states (standby, hibernate or
				power-off). If the system runs on
				battery mode, this will work only
				in standby state.
				• Enabled: USB connectors
				are powered during low
				power states.

Chapter 8. Advanced configuration 89

S540 specifications

The Lenovo S540 is a sophisticated laptop designed for both performance and portability, making it an excellent choice for professionals and students alike. This device showcases a blend of modern aesthetics and powerful functionality, representing a notable entry in Lenovo's versatile lineup.

At the heart of the Lenovo S540 lies an Intel Core processor, available in multiple configurations, enabling users to select the level of performance that best suits their needs. These processors deliver exceptional speed and responsiveness, allowing users to seamlessly handle demanding tasks such as video editing, graphic design, or multitasking across various applications.

One of the standout features of the S540 is its stunning display. The laptop offers a Full HD display with vibrant colors and sharp details, whether you are watching movies, editing photos, or simply browsing the web. The narrow bezels around the screen enhance the viewing experience, making it an immersive option for both work and entertainment.

In terms of design, the Lenovo S540 boasts a sleek and lightweight chassis, making it ideal for on-the-go usage. Weighing in at just over 3.5 pounds, it easily fits into backpacks or briefcases, perfect for commuters or students moving between classes. The premium build quality ensures that it not only looks good but can also withstand daily wear and tear.

Battery life is another highlight, with the S540 offering impressive longevity that can last up to 12 hours on a single charge. This capability is crucial for users who may not have immediate access to a power source while out and about. Furthermore, it features rapid charge technology allowing users to recharge the battery quickly when needed.

Connectivity options on the S540 are generous, including USB-C, USB 3.1, HDMI, and a headphone/microphone combo jack. These ports facilitate easy connection to a variety of devices and peripherals, enhancing the overall usability of the laptop.

The Lenovo S540 also makes considerable use of modern technologies such as Intelligent Cooling, which adjusts performance and efficiency based on usage patterns, and TrueBlock Privacy Shutter, providing users with physical protection for the webcam when not in use.

With its balance of style, performance, and innovative features, the Lenovo S540 stands out as a formidable option in the competitive landscape of ultrabooks, making it a prime choice for anyone in need of a reliable and capable laptop.

Lenovo S540 manual Menu item Submenu item Selection Comments Network, AC Only, Enabled, First

Models: S540

Menu item

Submenu item

Selection

Comments

Network

AC Only

Enabled

(for Legacy Only boot

first)

or Both with UEFI first)

IPv4 First

and Both with UEFI first

USB

S540 specifications