Lenovo ThinkCentre M90n-1 Hardware Maintenance Manual
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Lenovo ThinkCentre M90n-1 Hardware Maintenance Manual

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  • Page 1 M90n-1 Hardware Maintenance Manual...
  • Page 2 Third Edition (January 2021) © Copyright Lenovo 2019, 2021. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant to a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-...

  • Page 3: Table Of Contents

    Diagnostics ....Grounding requirements ... . 4 Lenovo diagnostic tools ..Safety notices (multi-lingual translations) ..4 UEFI diagnostic program .
  • Page 4 Chapter 7. Notices and Heat sink ....trademarks ....85 M90n-1 Hardware Maintenance Manual...

  • Page 5: About This Manual

    Important: This manual is intended only for trained service technicians who are familiar with ThinkCentre computers. Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively. Before servicing a ThinkCentre computer, be sure to read and understand Chapter 2 “Important safety information” on page 27. © Copyright Lenovo 2019, 2021...
  • Page 6 M90n-1 Hardware Maintenance Manual...

  • Page 7: Chapter 1. Important Safety Information

    Avoid contact with hot components inside the computer. During operation, some components become hot enough to burn the skin. Before you open the computer cover, turn off the computer, disconnect power, and wait approximately 10 minutes for the components to cool. © Copyright Lenovo 2019, 2021...

  • Page 8: Electrical Safety

    Electrical safety CAUTION: Electrical current from power, telephone, and communication cables can be hazardous. To avoid personal injury or equipment damage, disconnect the attached power cords, telecommunication systems, networks, and modems before you open the computer covers, unless instructed otherwise in the installation and configuration procedures.

  • Page 9: Safety Inspection Guide

    • Do not service the following parts with the power on when they are removed from their normal operating places in a machine: – Power supply units – Pumps – Blowers and fans – Motor generators and similar units. (This practice ensures correct grounding of the units.) •...

  • Page 10: Handling Electrostatic Discharge-Sensitive Devices

    8. Check that the power-supply cover fasteners (screws or rivets) have not been removed or tampered with. Handling electrostatic discharge-sensitive devices Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to electrostatic discharge (ESD). ESD damage can occur when there is a difference in charge between objects. Protect against ESD damage by equalizing the charge so that the machine, the part, the work mat, and the person handling the part are all at the same charge.
  • Page 11 • Italian • Korean • Spanish DANGER Electrical current from power, telephone and communication cables is hazardous. To avoid a shock hazard: • Do not connect or disconnect any cables or perform installation, maintenance, or reconfiguration of this product during an electrical storm. •...
  • Page 12 CAUTION: When laser products (such as CD-ROMs, DVD-ROM drives, fiber optic devices, or transmitters) are installed, note the following: • Do not remove the covers. Removing the covers of the laser product could result in exposure to hazardous laser radiation. There are no serviceable parts inside the device. •...
  • Page 13 Chapter 1 Important safety information...
  • Page 14 ≥18 kg (37 lb) ≥32 kg (70.5 lb) ≥55 kg (121.2 lb) M90n-1 Hardware Maintenance Manual...
  • Page 15 PERIGO A corrente elétrica proveniente de cabos de alimentação, de telefone e de comunicações é perigosa. Para evitar risco de choque elétrico: • Não conecte nem desconecte nenhum cabo ou execute instalação, manutenção ou reconfiguração deste produto durante uma tempestade com raios. •...
  • Page 16 Quando produtos a laser (como unidades de CD-ROMs, unidades de DVD-ROM, dispositivos de fibra ótica ou transmissores) estiverem instalados, observe o seguinte: • Não remova as tampas. A remoção das tampas de um produto a laser pode resultar em exposição prejudicial à...
  • Page 17 Chapter 1 Important safety information...
  • Page 18 M90n-1 Hardware Maintenance Manual...
  • Page 19 Chapter 1 Important safety information...
  • Page 20 DANGER Le courant électrique provenant de l'alimentation, du téléphone et des câbles de transmission peut présenter un danger. Pour éviter tout risque de choc électrique : • Ne manipulez aucun câble et n'effectuez aucune opération d'installation, d'entretien ou de reconfiguration de ce produit au cours d'un orage.
  • Page 21 Connexion Déconnexion 1. Mettez les unités HORS TENSION. 1. Mettez les unités HORS TENSION. 2. Commencez par brancher tous les cordons sur les 2. Débranchez les cordons d'alimentation des prises. unités. 3. Débranchez les câbles d'interface des connecteurs. 3. Branchez les câbles d'interface sur des 4.
  • Page 22 ≥18 kg (37 lb) ≥32 kg (70.5 lb) ≥55 kg (121.2 lb) ATTENTION: Soulevez la machine avec précaution. ATTENTION: L'interrupteur de contrôle d'alimentation de l'unité et l'interrupteur dubloc d'alimentation ne coupent pas le courant électrique alimentantl'unité. En outre, le système peut être équipé de plusieurs cordonsd'alimentation.
  • Page 23 • Die Verbindung zu den angeschlossenen Netzkabeln, Telekommunikationssystemen, Netzwerken und Modems ist vor dem Öffnen des Gehäuses zu unterbrechen, sofern in den Installations- und Konfigurationsprozeduren keine anders lautenden Anweisungen enthalten sind. • Zum Installieren, Transportieren und Öffnen der Abdeckungen des Computers oder der angeschlossenen Einheiten die Kabel gemäß...
  • Page 24 Laserstrahlung bei geöffneter Verkleidung. Nicht in den Strahl blicken. Keine Lupen oder Spiegel verwenden. Strahlungsbereich meiden. ≥18 kg ≥32 kg ≥55 kg ACHTUNG: Arbeitsschutzrichtlinien beim Anheben der Maschine beachten. ACHTUNG: Mit dem Netzschalter an der Einheit und am Netzteil wird die Stromversorgung für die Einheit nicht unterbrochen.
  • Page 25 Chapter 1 Important safety information...
  • Page 26 PERICOLO La corrente elettrica proveniente dai cavi di alimentazione, del telefono e di comunicazione può essere pericolosa. Per evitare il rischio di scosse elettriche: M90n-1 Hardware Maintenance Manual...
  • Page 27 • Non collegare o scollegare qualsiasi cavo oppure effettuare l'installazione, la manutenzione o la riconfigurazione del prodotto durante un temporale. • Collegare tutti i fili elettrici a una presa di alimentazione correttamente cablata e dotata di messa a terra. • Collegare alle prese elettriche appropriate tutte le apparecchiature che verranno utilizzate per questo prodotto.
  • Page 28 • Non rimuovere gli sportelli. L'apertura di un'unità laser può determinare l'esposizione a radiazioni laser pericolose. All'interno dell'unità non vi sono parti su cui effettuare l'assistenza tecnica. • L'utilizzo di controlli, regolazioni o l'esecuzione di procedure non descritti nel presente manuale possono provocare l'esposizione a radiazioni pericolose.
  • Page 29 Chapter 1 Important safety information...
  • Page 30 PELIGRO La corriente eléctrica procedente de cables de alimentación, teléfonos y cables de comunicación puede ser peligrosa. Para evitar el riesgo de descarga eléctrica: • No conecte ni desconecte los cables ni realice ninguna tarea de instalación, mantenimiento o reconfiguración de este producto durante una tormenta eléctrica. •...
  • Page 31 • No encienda nunca un equipo cuando hay señales de fuego, agua o daños estructurales. • Desconecte los cables de alimentación, los sistemas de telecomunicaciones, las redes y los módems conectados antes de abrir las cubiertas de los dispositivos, a menos que se indique lo contrario en los procedimientos de instalación y configuración.
  • Page 32 Algunos productos láser tienen incorporado un diodo láser de clase 3A o clase 3B. Tenga en cuenta lo siguiente: Cuando se abre, queda expuesto a radiación láser. No mire directamente al rayo láser, ni siquiera con instrumentos ópticos, y evite exponerse directamente al rayo láser. ≥18 kg ≥32 kg ≥55 kg...

  • Page 33: Chapter 2. Important Safety Information

    • Do not drop a system board or apply any excessive force to it. • Avoid rough handling of any kind. • Avoid bending a system board and hard pushing to prevent cracking at each Ball Grid Array (BGA) chipset. © Copyright Lenovo 2019, 2021...

  • Page 34: How To Use Error Codes

    Dynamic Configure To Order (CTO) model This model provides the ability for a customer to configure a Lenovo solution from a Web site, and have this configuration sent to fulfillment, where it is built and shipped directly to the customer. The machine label and eSupport will load these products as the 4-character MT, 4-character model, and 2-character country code.

  • Page 35: Chapter 3. Product Overview

    ™ 4. USB-C connector (USB 3.1 Gen 2) 3. USB 2.0 connector / USB 3.1 connector Gen 2 5. Ethernet connector* 6. Ethernet connector 7. Security-lock slot 8. Wi-Fi antenna slot* * for selected models © Copyright Lenovo 2019, 2021...

  • Page 36: Bottom

    Bottom ® 1. VESA threaded holes Left 1. Wireless wide area network (WAN) antenna slot* * for selected models M90n-1 Hardware Maintenance Manual...

  • Page 37: Chapter 4. Service Checkout And Symptom-To-Fru Index

    • Processor or hard disk drive upgrades • Failure symptom – Do diagnostics indicate a failure? – What, when, where, single, or multiple systems? – Is the failure repeatable? – Has this configuration ever worked? © Copyright Lenovo 2019, 2021...

  • Page 38: Symptom-To-Fru Index

    – If it has been working, what changes were made prior to its failing? – Is this the original reported failure? • Diagnostics version – Type and version level • Hardware configuration – Print (print screen) configuration currently in use –...

  • Page 39: Power Supply Problems

    Error FRU/Action The boot sector on the startup drive is corrupted. The drive must be formatted. Do the following: 1. Attempt to back up the data on the failing hard disk drive. 2. Using the operating system programs, format the hard disk drive.

  • Page 40: Post Error Codes

    POST error codes Each time you turn on the system, it performs a series of tests that check the operation of the system and some options. This series of tests are called the Power-On Self-Test, or POST. POST checks the following operations: •...

  • Page 41: Miscellaneous Error Conditions

    8998 Not enough shadow RAM resources This error message is displayed for OPTION ROM, not all devices when the shadow RAM resources initialized. Suggest to remove some for option ROM are insufficient. add-on cards, or change to UEFI If the legacy option ROM is mode in BIOS setup.
  • Page 42 Message/Symptom FRU/Action Incorrect memory size during POST 1. Run the Memory tests. 2. Memory Module 3. System Board "Insert a Diskette" icon appears with a known-good 1. System Board diagnostics diskette in the first 3.5-inch diskette drive. 2. Diskette Drive Cable 3.

  • Page 43: Undetermined Problems

    Message/Symptom FRU/Action Serial or parallel connector device failure (adapter 1. External Device Self-Test OK? connector) 2. External Device 3. Cable 4. Alternate Adapter 5. System Board Some or all keys on the keyboard do not work 1. Keyboard 2. Keyboard Cable 3.
  • Page 44 M90n-1 Hardware Maintenance Manual...

  • Page 45: Chapter 5. Troubleshooting, Diagnostics, And Recovery

    4. Run the diagnostic program. See “Diagnostics” on page 46. 5. Recover your operating system. See “Recovery” on page 47. 6. If the problem persists, contact Lenovo. Troubleshooting Use the troubleshooting information to find solutions to problems that have definite symptoms.

  • Page 46: Startup Problems

    Startup problems Problem Solution • Ensure that the power cord is correctly connected to the rear of the computer and to a working electrical outlet. • If the computer has a secondary power switch on the rear of the The computer does not start up when you computer, ensure that it is switched on.

  • Page 47: Audio Problems

    Audio problems Problem Solution • If you are using powered external speakers that have an On/Off control, ensure that: – The On/Off control is set to the On position. – The speaker power cable is connected to a properly grounded, functional ac electrical outlet.
  • Page 48 Problem Solution • Connect the cable from the Ethernet connector to the RJ45 connector of the hub. • Enable the Ethernet LAN feature in UEFI BIOS. • Enable the Ethernet LAN adapter. 1. Go to Control Panel and view by large icons or small icons. 2.
  • Page 49 Problem Solution • Enable the wireless WAN feature in UEFI BIOS. • Enable all wireless WAN devices. 1. Right-click the Start button to open the Start context menu. 2. Click Device Manager. Type the administrator password or provide confirmation, if prompted. 3.

  • Page 50: Performance Problems

    Performance problems Problem Solution Note: Depending on the volume of the storage drives and amount of data stored on the storage drives, the disk-defragmentation process might take up to several hours. 1. Close any open programs and windows. 2. Open the Start menu. Excessive fragmented files exist on the 3.

  • Page 51: Storage Drive Problems

    Storage drive problems Problem Solution • Ensure that the signal cables and power cables for all the storage drives are connected correctly. • Ensure that the computer is configured correctly to support the storage drives. Some or all storage drives are missing from –...

  • Page 52: Software Problems

    Use diagnostic solutions to test hardware components and report operating-system-controlled settings that interfere with the correct operation of your computer. Lenovo diagnostic tools For information about Lenovo diagnostic tools, go to: https://pcsupport.lenovo.com/lenovodiagnosticsolutions UEFI diagnostic program A UEFI diagnostic program is preinstalled on the computer. It enables you to test memory modules and internal storage devices, view system information, and check and recover bad sectors on internal storage devices.

  • Page 53: Recovery

    Table 1. Items on the main screen of the UEFI diagnostic program DIAGNOSTICS TOOLS • CPU test • System information • Display test • Keyboard test • Memory test • Motherboard test • Mouse test • PCI Express test • Storage test Recovery This section introduces the recovery information of the Windows 10 operating system.

  • Page 54: Create And Use A Recovery Usb Device

    Windows recovery programs are damaged. If you did not create a recovery USB drive as a precautionary measure, you can contact Lenovo Customer Support Center and purchase one from Lenovo. For a list of the Lenovo Support phone numbers for your country or region, go to: https://pcsupport.lenovo.com/supportphonelist Create a recovery USB drive Attention: The creation process deletes anything stored on the USB drive.
  • Page 55 • From Windows Update: Note: The device drivers provided by Windows Update might not be tested by Lenovo. It is recommended that you get device drivers from Lenovo. 1. Open the Start menu.
  • Page 56 M90n-1 Hardware Maintenance Manual...

  • Page 57: Chapter 6. Hardware Removal And Installation

    Isolated tweezers Common tool Hexagonal socket Common tool Silicone grease Consumable tool Polyamide tape Consumable tool Mylar tape Consumable tool Eraser Consumable tool Electrical tape Consumable tool Double-sided tape Consumable tool Conductive tape Consumable tool © Copyright Lenovo 2019, 2021...

  • Page 58: Major Frus And Crus

    Note: The silicone grease can be applied to the surfaces of the microprocessor and heat sink to eliminate air gaps. The hexagonal socket is used to pick up the antenna connectors. Major FRUs and CRUs Your computer contains the following types of CRUs and FRUs: •...
  • Page 59 Rear Wi-Fi antenna cable* Rear Wi-Fi antenna* Wireless WAN antenna* System board Heat sink cover* * for selected models For detailed FRU and CRU information, such as the FRU part numbers and supported computer models, go http://www.lenovo.com/serviceparts-lookup Chapter 6 Hardware removal and installation...

  • Page 60: System Board

    System board Clear CMOS (Complementary Metal Oxide Coin-cell battery connector Semiconductor) / Recovery jumper Wi-Fi card slot Cover presence switch connector (intrusion switch connector) Internal speaker connector M.2 solid-state drive slot 1 (for M.2 SATA solid-state drive) M.2 solid-state drive slot 2 (for M.2 TG solid-state Nano-SIM (Subscriber Identification Module) card slot* drive) Wireless WAN (Wireless Wide Area Network) card slot*...

  • Page 61: Power Adapter And Power Cord

    connector. Then, use the instructions that come with the option to help you make the connection and install any required software or device drivers. Power adapter and power cord Prerequisite Before you start, read Chapter 2 “Important safety information” on page 27 and print the following instructions.
  • Page 62 4. Remove the power cord. 5. Install the power cord. 6. Install the power adapter. M90n-1 Hardware Maintenance Manual...

  • Page 63: Heat Sink Cover

    7. Reconnect the external cables and power adapter to the corresponding connectors on the computer, and then reconnect the power cord to the electrical outlet. Heat sink cover Prerequisite Before you start, read Chapter 2 “Important safety information” on page 27 and print the following instructions.

  • Page 64: Din Rail Bracket Kit

    DIN rail bracket kit Prerequisite Before you start, read Chapter 2 “Important safety information” on page 27 and print the following instructions. Avoid contact with the hot computer. During operation, the computer becomes hot enough to burn the skin. Before you touch the computer, turn off the computer, disconnect power, and wait approximately 30 minutes for the computer to cool.
  • Page 65 6. Install the DIN rail bracket. 7. If you have not installed the rail, install it to a place where you want to mount the computer. Chapter 6 Hardware removal and installation...

  • Page 66: Vesa Mount Bracket

    8. Install the computer with the DIN rail bracket to the rail. 9. Reinstall all removed parts. 10. Reconnect the external cables to the corresponding connectors on the computer, and then reconnect the power cord to the electrical outlet. Note: If a locking device is available, use it to lock the computer. VESA mount bracket Prerequisite Before you start, read Chapter 2 “Important safety information”...
  • Page 67 4. Remove the screw that secures the VESA mount bracket to the wall mount bracket. 5. Remove the VESA mount bracket from the wall mount bracket. 6. Turn over the computer so that the bottom cover is facing up. 7. Remove the VESA mount bracket from the computer. 8.

  • Page 68: Power Adapter Bracket

    9. Install the VESA mount bracket to the wall mount bracket. 10. Install the screw to secure the VESA mount bracket to the wall mount bracket. 11. Reinstall all removed parts. 12. Reconnect the external cables and power adapter to the corresponding connectors on the computer, and then reconnect the power cord to the electrical outlet.
  • Page 69 3. Remove the heat sink cover, if any. See “Heat sink cover” on page 57. 4. Remove the screw that secures the power adapter bracket to the wall mount bracket. 5. Remove the power adapter bracket from the wall mount bracket. 6.
  • Page 70 9. Remove the power adapter bracket from the computer. 10. Install the power adapter bracket to the computer. 11. Turn over the computer so that the bottom cover is facing down. 12. Install the power adapter into the power adapter bracket. 13.

  • Page 71: Rear Wi-Fi Antenna

    14. Install the power adapter bracket to the wall mount bracket. 15. Install the screw to secure the power adapter bracket to the wall mount bracket. 16. Reinstall all removed parts. 17. Reconnect the external cables and power adapter to the corresponding connectors on the computer, and then reconnect the power cord to the electrical outlet.

  • Page 72: Wireless Wan Antenna

    Replacement procedure 1. Remove any media from the drives and turn off all connected devices and the computer. 2. Disconnect the power cord from the electrical outlet and disconnect all cables from the computer. 3. Remove the rear Wi-Fi antenna. 4.

  • Page 73: Bottom Cover

    Avoid contact with the hot computer. During operation, the computer becomes hot enough to burn the skin. Before you touch the computer, turn off the computer, disconnect power, and wait approximately 30 minutes for the computer to cool. Replacement procedure 1.
  • Page 74 Avoid contact with the hot computer. During operation, the computer becomes hot enough to burn the skin. Before you touch the computer, turn off the computer, disconnect power, and wait approximately 30 minutes for the computer to cool. Replacement procedure 1.

  • Page 75: M.2 Solid-State Drives

    M.2 solid-state drives Prerequisite Before you start, read Chapter 2 “Important safety information” on page 27 and print the following instructions. Avoid contact with the hot computer. During operation, the computer becomes hot enough to burn the skin. Before you touch the computer, turn off the computer, disconnect power, and wait approximately 30 minutes for the computer to cool.

  • Page 76: Wi-Fi Card

    3. Install the M.2 solid-state drive. For more information about the corresponding slot for the M.2 solid- state drive, see “System board” on page 54. Note: Attach the thermal pad to the M.2 solid-state drive if you have removed one. 4.

  • Page 77: Wireless Wan Card

    2. Peel off the thermal pad that covers the Wi-Fi card, if any. Remove the Wi-Fi card. Note: Pay attention not to get the backup washer under the Wi-Fi card lost. 3. Install the Wi-Fi card. Note: Attach the thermal pad to the Wi-Fi card if you have removed one. 4.
  • Page 78 Avoid contact with the hot computer. During operation, the computer becomes hot enough to burn the skin. Before you touch the computer, turn off the computer, disconnect power, and wait approximately 30 minutes for the computer to cool. Replacement procedure 1.
  • Page 79 4. Install the wireless WAN card. 5. Attach the absorber and the thermal pad to the wireless WAN card. 6. Reinstall all removed parts. 7. Reconnect the external cables and power adapter to the corresponding connectors on the computer, and then reconnect the power cord to the electrical outlet. Note: If a locking device is available, use it to lock the computer.

  • Page 80: System Board And Coin-Cell Battery

    System board and coin-cell battery Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. Avoid contact with the hot computer. During operation, the computer becomes hot enough to burn the skin. Before you touch the computer, turn off the computer, disconnect power, and wait approximately 30 minutes for the computer to cool.
  • Page 81 8. Remove the coin-cell battery. 9. Install the new coin-cell battery on the new system board. 10. Turn over the system board so that the coin-cell battery is facing down. 11. Route the speaker cable and the antenna cables by the cable clip, and then install the system board. 12.

  • Page 82: Left Cover And Front Wi-Fi Antenna Cable

    Left cover and front Wi-Fi antenna cable Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. Avoid contact with the hot computer. During operation, the computer becomes hot enough to burn the skin. Before you touch the computer, turn off the computer, disconnect power, and wait approximately 30 minutes for the computer to cool.

  • Page 83: Rear Wi-Fi Antenna Cable

    8. Install the front Wi-Fi antenna cable. 9. Route the front Wi-Fi antenna cable by the cable clip, and then install the left cover. 10. Reinstall all removed parts. 11. Reconnect the external cables and power adapter to the corresponding connectors on the computer, and then reconnect the power cord to the electrical outlet.

  • Page 84: Right Cover And Front Wireless Wan Antenna Cable

    7. Remove the rear Wi-Fi antenna cable. 8. Install the rear Wi-Fi antenna cable. 9. Reinstall all removed parts. 10. Reconnect the external cables and power adapter to the corresponding connectors on the computer, and then reconnect the power cord to the electrical outlet. Note: If a locking device is available, use it to lock the computer.
  • Page 85 Avoid contact with the hot computer. During operation, the computer becomes hot enough to burn the skin. Before you touch the computer, turn off the computer, disconnect power, and wait approximately 30 minutes for the computer to cool. Replacement procedure 1.

  • Page 86: Rear Wireless Wan Antenna Cable

    9. Route the front wireless WAN antenna cable by the cable clip, and then install the right cover. 10. Reinstall all removed parts. 11. Reconnect the external cables and power adapter to the corresponding connectors on the computer, and then reconnect the power cord to the electrical outlet. Note: If a locking device is available, use it to lock the computer.

  • Page 87: Internal Speaker

    7. Remove the rear wireless WAN antenna cable. 8. Install the rear wireless WAN antenna cable. 9. Reinstall all removed parts. 10. Reconnect the external cables and power adapter to the corresponding connectors on the computer, and then reconnect the power cord to the electrical outlet. Note: If a locking device is available, use it to lock the computer.
  • Page 88 Avoid contact with the hot computer. During operation, the computer becomes hot enough to burn the skin. Before you touch the computer, turn off the computer, disconnect power, and wait approximately 30 minutes for the computer to cool. Replacement procedure 1.
  • Page 89 Heat sink Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. Avoid contact with the hot computer. During operation, the computer becomes hot enough to burn the skin. Before you touch the computer, turn off the computer, disconnect power, and wait approximately 30 minutes for the computer to cool.
  • Page 90 12. Install the heat sink. 13. Reinstall all removed parts. 14. Reconnect the external cables and power adapter to the corresponding connectors on the computer, and then reconnect the power cord to the electrical outlet. Note: If a locking device is available, use it to lock the computer. M90n-1 Hardware Maintenance Manual...
  • Page 91 Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead.
  • Page 92 Actual results may vary. Users of this document should verify the applicable data for their specific environment. This document is copyrighted by Lenovo and is not covered by any open source license, including any Linux agreement(s) which may accompany software included with this product. Lenovo may update this document at any time without notice.

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