Lenovo H520S manual Additional Service Information, Power management, Automatic Power-On features

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Chapter 9. General information

This chapter provides general information that applies to all machine types supported by this publication.

Additional Service Information

This chapter provides additional information that the service representative might find helpful.

Power management

Power management reduces the power consumption of certain components of the computer such as the system power supply, processor, hard disk drives, and some monitors.

Advanced configuration and power interface (ACPI) BIOS

As this computer has an ACPI BIOS system, the operating system is allowed to control the power management features of the computer and the settings for Advanced Power Management (APM) BIOS mode is ignored. Not all operating systems support ACPI BIOS mode.

Automatic Power-On features

The Automatic Power-On features within the Power Management menu allow you to enable and disable features that turn on the computer automatically.

Wake Up on Alarm: You can specify a date and time at which the computer will be turned on automatically. This can be either a single event , a daily event or a weekly event.

Wake Up on LAN: This feature allows LAN adapter card to wake the System.

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Contents Lenovo H520s Hardware Maintenance Manual Page Lenovo H520s Hardware Maintenance Manual Page Contents Iv Lenovo H520sHardware Maintenance Manual About this manual Important Safety InformationLenovo H520sHardware Maintenance Manual Electrical safety Safety informationGeneral safety Lenovo H520sHardware Maintenance Manual Handling electrostatic discharge-sensitive devices Safety inspection guideGrounding requirements Safety noticesTo Connect To Disconnect Do not≥18 kg37 lbs ≥32 kg70.5 lbs ≥55 kg121.2 lbs Environment SpecificationsGeneral information Type Lenovo H520sLenovo H520sHardware Maintenance Manual General Checkout Lenovo H520sHardware Maintenance Manual Using passwords Using the Setup UtilityStarting the Lenovo Bios Setup Utility program Viewing and changing settingsSetting, changing, or deleting a Power-On Password Administrator PasswordSetting, changing, or deleting an Administrator password Select Save changes and Exit from the menu Enabling or disabling a deviceSelecting or changing the startup device sequence Selecting a startup deviceSelecting a temporary startup device Exiting the Lenovo Bios Setup Utility program Lenovo H520sHardware Maintenance Manual Error FRU/Action Symptom-to-FRU IndexHard disk drive boot error Power Supply ProblemsPost Error Message Description/Action Post error codesUndetermined problems Locating connectors, controls and components Font view Rear view Hardware components Identifying parts on the motherboard Lenovo H520sHardware Maintenance Manual General information Pre-disassembly instructionsReplacing hardware To remove the computer cover Replacing the keyboard and mouseRemoving the computer cover To replace the keyboard and mouseRemoving the front bezel To replace an optical drive Replacing an optical driveTo remove the front bezel Replacing hardware To replace the hard disk drive Replacing the hard disk driveReplacing a memory module Replacing the Power supply Replacing the graphic card Lenovo H520sHardware Maintenance Manual Replacing the microprocessor fan Replacing the system fanReplacing the heat-sink Replacing the CPU Lenovo H520sHardware Maintenance Manual Replacing the Wi-Fi card Replacing the front USB/card reader/audio module Replacing the motherboard Lenovo H520sHardware Maintenance Manual Memory FRU listsProcessor Mother BoardMT16JTF51264AZ-1G4D1 4GB DDRIII1333RAMR Hard Drive HMT351U6CFR8C-PB 4GB D3-1600RAM-HFMechanical Power SupplyOptical Drive Graphic CardUSB 3.0 PCI-E Interface Card Wi-Fi PCI-E Interface CardRemote Controller TV TunnerKeyboard & Mouse Chassis Lenovo H520sHardware Maintenance Manual Automatic Power-On features Additional Service InformationPower management Advanced configuration and power interface Acpi Bios
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H520S specifications

The Lenovo H520S is a compact desktop PC designed to cater to both home and office environments. It combines sleek design with robust performance, making it an excellent choice for users seeking versatility in a desktop system. One of the standout features of the H520S is its powerful computing capabilities, driven by Intel's third-generation Core processor family. This ensures that tasks ranging from everyday browsing to demanding applications run smoothly and efficiently.

The design of the Lenovo H520S is notably space-saving, allowing it to fit comfortably in various environments without taking up excessive desk space. With a brushed metal finish and minimalist aesthetic, it blends seamlessly with modern office setups and home entertainment centers alike. The compact chassis not only contributes to its stylish appearance but also enhances portability, making it easier to transport if needed.

In terms of performance, the H520S is equipped with up to 16GB of DDR3 RAM, which provides ample memory for multitasking and running multiple applications simultaneously. The inclusion of integrated graphics and support for discrete graphics options allows users to engage in casual gaming and enjoy multimedia content without lag. For storage, the system offers a range of hard drive options, including traditional HDDs and faster SSDs, catering to different performance and capacity needs.

The desktop is also designed with connectivity in mind. It features multiple USB ports, HDMI output, and audio jacks, ensuring compatibility with a wide range of peripherals and devices. Additionally, the Lenovo H520S includes built-in Wi-Fi and Ethernet options for seamless internet connectivity, enabling users to stay connected whether working from home or in a busy office.

User convenience extends to its energy efficiency, with the H520S being Energy Star certified. This not only contributes to lower energy bills but also reflects Lenovo's commitment to sustainability. Overall, the Lenovo H520S stands out with its combination of compact design, powerful performance, and thoughtful features, making it an ideal choice for anyone looking for a reliable desktop solution that meets both personal and professional needs.