•Some items are displayed on the menu only if the computer supports the corresponding features. The following table lists the Startup menu items.

Table 6. Startup menu items

Menu item

Selection

Comments

 

 

 

 

Boot

 

 

Refer to “Changing the startup

 

 

 

sequence” on page 96.

 

 

 

 

Network Boot

•

USB CD

Select the boot device when the system

 

•

USB FDD

wakes from LAN. If the Wake on

 

LAN function is enabled, the network

 

•

ATA HDD0

 

administrator can turn on all of the

 

•

ATA HDD1

computers in a LAN remotely by use of

 

•

USB HDD

network management software.

 

 

 

•

PCI LAN

 

 

 

 

 

UEFI/Legacy Boot

•

Both (If OS Optimized is

Select system boot capability.

 

 

Disabled)

• Both: The system boots by the

 

•

UEFI Only (If OS Optimized is

 

following UEFI/Legacy Boot Priority

 

 

Enabled)

setting.

 

•

Legacy Only

• UEFI Only: The system boots from

 

UEFI/Legacy Boot Priority

the UEFI enabled operating system.

 

• Legacy Only: The system boots from

 

 

 

 

•

UEFI First

any operating system other than the

 

•

Legacy First

UEFI enabled one.

 

 

 

CSM Support (for UEFI Only)

Note: If you select UEFI Only, the

 

system cannot boot from the bootable

 

•

No

 

devices that do not have the UEFI

 

•

Yes

enabled operating system.

 

 

 

 

 

Compatibility Support Module (CSM) is

 

 

 

required for booting the legacy operating

 

 

 

system. If you select UEFI Only, CSM

 

 

 

Support will be selectable. For Both or

 

 

 

Legacy Only mood, CSM Support will

 

 

 

not be selectable.

 

 

 

 

Boot Mode

•

Quick

The Quick boot is intended to boot the

 

•

Diagnostics

operating system as soon as possible

 

by reducing the POST elapsed time. The

 

 

 

 

 

 

Diagnostics boot is to be used for the

 

 

 

problem determination by performing

 

 

 

tests of the devices.

 

 

 

 

Option Key Display

•

Enabled

If you select Disabled, then the message

 

•

Disabled

“To interrupt normal startup, press Enter”

 

will not be displayed during the POST.

 

 

 

 

 

 

 

Boot Device List F12 Option

•

Enabled

If you select Enabled, the F12 key will be

 

•

Disabled

recognized and the Boot menu window

 

will be displayed.

 

 

 

 

 

 

 

Boot Order Lock

•

Disabled

If you select Disabled, your computer

 

•

Enabled

will boot using the default priority. If you

 

select Enabled, your computer will boot

 

 

 

 

 

 

using the priority you have customized.

 

 

 

 

Chapter 8. Advanced configuration 97

Page 112 Page 114
Page 113
Image 113
Lenovo S540 Menu item Selection Comments Boot, Network Boot, UEFI/Legacy Boot Both If OS Optimized is, Legacy First, Yes
Page 112 Page 114

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.
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