Lenovo ThinkStation P340 Hardware Maintenance Manual
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Lenovo ThinkStation P340 Hardware Maintenance Manual

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  • Page 1 P340 Hardware Maintenance Manual...
  • Page 2 Fourth Edition (March 2022) © Copyright Lenovo 2022. 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

    Basic procedure for resolving computer Microprocessor ... . . 106 problems ....© Copyright Lenovo 2022...
  • Page 4 Chapter 8. Notices and System board ....107 trademarks ....111 P340 Hardware Maintenance Manual...
  • Page 5 About this manual ® This manual provides service and reference information for ThinkStation computers listed on the front cover. Illustrations in this manual might look different from your product. Use this manual along with the advanced diagnostic tests to troubleshoot problems. Important: This manual is intended only for trained service technicians who are familiar with ThinkStation computers.

  • 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 2022...

  • 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) P340 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 P340 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: P340 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 Service 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 2022...

  • 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

    7. Storage drive activity indicator 8. SD-card slot* 9. Microphone connector 10. Headset connector ™ 11. USB-C (3.2 Gen 1) connector 12. USB 3.2 connectors Gen 1 13. USB 3.2 connectors Gen 2 * for selected models © Copyright Lenovo 2022...

  • Page 36: Rear

    Rear ® 1. Audio line-out connector 2. DisplayPort out connectors 3. Optional connector* 4. USB 2.0 connectors 5. USB 3.2 connector Gen 1 (supports smart power on) 6. USB 3.2 connector Gen 1 7. PCI-Express card area 8. Serial connector 9.

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

    • Machine type and model • 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 2022...

  • 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

    Miscellaneous error conditions Message/Symptom FRU/Action Changing display colors Display/Monitor Computer will not power-off. See “Hard disk drive boot 1. Power Switch error” on page 32. 2. System Board 3. Riser card, if installed. Computer will not RPL from server 1. Ensure that the network is in startup sequence as the first device or the first device after diskette.

  • Page 42: Undetermined Problems

    Message/Symptom FRU/Action Non-system disk or disk error-type message with a 1. Diskette Drive known-good diagnostic diskette. 2. System Board 3. Diskette Drive Cable Other display symptoms not listed above (including blank 1. Display or illegible display) 2. System Board Power-on indicator or hard disk drive in-use light not on, 1.
  • Page 43 2. Remove or disconnect the following components (if installed) one at a time. a. External devices (modem, printer, or mouse) b. Any adapters c. Memory modules d. Extended video memory e. External Cache f. External Cache RAM g. Hard disk drive h.
  • Page 44 P340 Hardware Maintenance Manual...

  • Page 45: Chapter 5. Raid

    1. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. 2. Select Devices ➙ ATA Drive Setup and press Enter. 3. Select Configure SATA as and press Enter. 4. Select RAID and press Enter. 5. Press F10 or Fn+F10 to save the changes and exit. © Copyright Lenovo 2022...

  • Page 46: Configure Raid In Uefi Mode

    Configure RAID in UEFI mode This section provides instructions on how to configure RAID in UEFI mode. Create RAID volumes in UEFI mode Attention: All the existing data stored on the selected drives will be erased while the RAID volume is being created.

  • Page 47: Chapter 6. Diagnostics

    4. Run the diagnostic program. 5. Recover your operating system. See “Self-help resources” on page 42. 6. If the problem persists, contact Lenovo. 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 48: Lenovo Diagnostic Tools

    If you are unable to isolate and resolve the problem after running the Vantage app, save and print the log files created by the program. You might need the log files when you speak to a Lenovo technical support representative.
  • Page 49 • Setup Guide want. • This User Guide • Regulatory Notice Lenovo Support Web site with the latest support information of the following: • Drivers and software • Diagnostic solutions https://pcsupport.lenovo.com • Product and service warranty •...
  • Page 50 P340 Hardware Maintenance Manual...

  • Page 51: Chapter 7. Hardware Removal And Installation

    Common tool 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 2022...

  • Page 52: 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 53 Number Description Self-service CRU Optional-service CRU Computer cover Screws Type-1 heat sink and fan assembly* Type-2 heat sink and fan assembly* M.2 solid-state drive* M.2 solid-state drive bracket Chapter 7 Hardware removal and installation...
  • Page 54 Number Description Self-service CRU Optional-service CRU Thermal pad* Coin-cell battery Smart cable clip* Heat sink for M.2 solid-state drive* Rear fan* Cover presence switch cable Cover presence switch bracket Front and rear Wi-Fi antennas, and the cover for rear Wi-Fi antenna* Rear I/O shield Optical drive cable* Optical drive*...
  • Page 55 System board Microprocessor Wi-Fi card shield* Wi-Fi card* Memory module Graphics card* PCI-Express card* Flexible I/O board* For detailed FRU and CRU information, such as the FRU part numbers and supported computer models, go http://www.lenovo.com/serviceparts-lookup Chapter 7 Hardware removal and installation...

  • Page 56: System Board

    System board 8-pin power connector Microprocessor socket Microprocessor fan connector Memory slot (DIMM1) Memory slot (DIMM2) Memory slot (DIMM3) Memory slot (DIMM4) Power button cable connector Internal speaker connector Storage drive activity indicator Auxiliary fan connector 2 ThinkStation LED connector 10-pin power connector SATA power connectors Auxiliary fan connector 1...
  • Page 57 E-lock connector System fan connector Cover presence switch connector Coin-cell battery Chapter 7 Hardware removal and installation...

  • Page 58: Internal Storage Drives

    Internal storage drives Internal storage drives are devices that your computer uses to read and store data. You can add drives to your computer to increase storage capacity and enable your computer to read other types of media. Depending on your computer model, one of the following devices might be installed in the flex bay: 1.

  • Page 59: Removing And Installing Hardware

    Removing and installing hardware This section provides instructions on how to remove and install hardware for your computer. You can expand the capabilities of your computer and maintain your computer by removing or installing hardware. Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter 1 “Important safety information”...

  • Page 60: Optical Drive

    Removal steps Note: If a locking device is available, use it to lock the computer. Optical drive Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. For access, do the following: 1.
  • Page 61 Removal steps Chapter 7 Hardware removal and installation...

  • Page 62: Front Bezel

    Front bezel Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. For access, remove the following FRUs in order if any: • “Computer cover” on page 53 • “Optical drive” on page 54 Replacement procedure P340 Hardware Maintenance Manual...

  • Page 63: Primary Storage Drives

    Primary storage drives Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. Attention: The internal storage drive is sensitive. Inappropriate handling might cause damage and permanent loss of data. When handling the internal storage drive, observe the following guidelines: •...
  • Page 64 Removal steps for the 3.5-inch primary storage drive and bracket For access, do the following: 1. Remove “Computer cover” on page 53. 2. Disconnect the power cable and the signal cable from the 3.5-inch primary storage drive. P340 Hardware Maintenance Manual...
  • Page 65 Removal steps for 2.5-inch primary storage drive installed in the 3.5-inch primary storage drive cage through Type-1 storage drive converter For access, do the following: 1. Remove “Computer cover” on page 53. 2. Disconnect the power cable and the signal cable from the 2.5-inch primary storage drive. Chapter 7 Hardware removal and installation...

  • Page 66: 3.5-Inch Primary Storage Drive Cage

    3.5-inch primary storage drive cage Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. Attention: The internal storage drive is sensitive. Inappropriate handling might cause damage and permanent loss of data. When handling the internal storage drive, observe the following guidelines: •...

  • Page 67: Pci-Express Card

    • Do not make the internal storage drive subject to physical shocks or vibration. Put the internal storage drive on a soft material, such as cloth, to absorb physical shocks. For access, remove the following FRUs in order if any: •...

  • Page 68: Graphics Card

    Removal steps Graphics card Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. Replacement procedure for graphics card secured with bracket For access, do the following: 1. Remove the following FRUs in order if any: •...
  • Page 69 Chapter 7 Hardware removal and installation...
  • Page 70 Replacement procedure for graphics card secured with plastic holder For access, do the following: 1. Remove “Computer cover” on page 53. 2. Disconnect the power cable (if any) from the graphics card. P340 Hardware Maintenance Manual...
  • Page 71 Chapter 7 Hardware removal and installation...

  • Page 72: M.2 Solid-State Drive And Heat Sink

    • Do not attempt to replace the Intel Optane memory in the M.2 solid-state drive slot. Replacement of the Intel Optane memory must be done by a Lenovo-authorized repair facility or technician. • The internal storage drive is sensitive. Inappropriate handling might cause damage and permanent loss of data.
  • Page 73 2. Remove the 2.5-inch primary storage drive cage, if any. See “Primary storage drives” on page 57. Replace the M.2 solid-state drive and the heat sink depending on the computer model: • For computers without the heat sink for the M.2 solid-state drive, do the following: •...
  • Page 74 P340 Hardware Maintenance Manual...
  • Page 75 M.2 solid-state drive installed on an M.2 solid-state drive PCIe adapter For access, do the following: 1. Remove the computer cover. See “Computer cover” on page 53. 2. Locate and remove the M.2 solid-state drive PCIe adapter from the PCIe card slot. See “PCI-Express card”...
  • Page 76 P340 Hardware Maintenance Manual...

  • Page 77: M.2 Solid-State Drive Bracket

    M.2 solid-state drive bracket Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. For access, do the following: • Remove the computer cover. See “Computer cover” on page 53. • Remove the 2.5-inch primary storage-drive cage, if any. See “Primary storage drives” on page 57. •...

  • Page 78: Optical Drive Cage

    Optical drive cage Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. For access, do the following: 1. Remove the following FRUs in order if any: • “Computer cover” on page 53 •...
  • Page 79 Chapter 7 Hardware removal and installation...

  • Page 80: Secondary Storage Drives

    Secondary storage drives Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. Attention: The internal storage drive is sensitive. Inappropriate handling might cause damage and permanent loss of data. When handling the internal storage drive, observe the following guidelines: •...
  • Page 81 Chapter 7 Hardware removal and installation...
  • Page 82 Replacement procedure for 3.5-inch secondary storage drive, bracket, and cage For access, remove the following FRUs in order if any: • “Computer cover” on page 53 • “Optical drive” on page 54 • “Front bezel” on page 56 • “Optical drive cage” on page 72 •...

  • Page 83: Emi Shielding

    EMI shielding Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. For access, remove these FRUs in order if any: • “Computer cover” on page 53 • “Optical drive” on page 54 •...

  • Page 84: Storage Drive In The Front-Access Storage Enclosure

    Removal steps Storage drive in the front-access storage enclosure Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. Attention: The internal storage drive is sensitive. Inappropriate handling might cause damage and permanent loss of data.
  • Page 85 4. Press F10 or Fn+F10 to save the changes and exit. • The SATA cable of the front-access storage enclosure is connected to the SATA 4 connector on the system board. • The operating system of your computer does not reside on the storage drive installed in the front-access storage enclosure.
  • Page 86 P340 Hardware Maintenance Manual...
  • Page 87 Replacement procedure for 2.5-inch storage drive installed in the 3.5-inch front-access storage enclosure through Type-2 storage drive converter Before removing an old 2.5-inch storage drive, safely eject the old storage drive from the operating system first. For more information, see the Windows help system. Chapter 7 Hardware removal and installation...
  • Page 88 P340 Hardware Maintenance Manual...
  • Page 89 Chapter 7 Hardware removal and installation...

  • Page 90: Front-Access Storage Enclosure Door Assembly

    Front-access storage enclosure door assembly Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. For access, remove the following FRUs in order if any: • “Computer cover” on page 53 P340 Hardware Maintenance Manual...

  • Page 91: Front Fan

    • “Optical drive” on page 54 • “Front bezel” on page 56 Removal steps Front fan Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. For access, do the following: 1. Remove the following FRUs in order if any: •...

  • Page 92: Rear Fan

    Removal steps Rear fan Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. For access, do the following: 1. Remove “Computer cover” on page 53. 2. Disconnect the rear fan cable from the rear fan connector on the system board. Removal steps P340 Hardware Maintenance Manual...

  • Page 93: Heat Sink And Fan Assembly

    Heat sink and fan assembly Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. The heat sink might be very hot. Before you open the computer cover, turn off the computer and wait several minutes until the computer is cool.
  • Page 94 2. Position the heat sink and fan assembly on the system board. Ensure that the four screws are aligned with the holes in the system board. Follow the following sequence to tighten the four screws to secure the new heat sink and fan assembly. Do not over-tighten the screws. –...
  • Page 95 • Type-2: 1. Remove the four screws that secure the heat sink and fan assembly to the chassis. Then, follow the following sequence to loosen the four screws that secure the heat sink and fan assembly to the system board. Then, lift the heat sink and fan assembly off the system board. –...
  • Page 96 2. Position the new heat sink and fan assembly on the system board. Ensure that the four screws are aligned with the holes in the system board. Follow the following sequence to tighten the four screws to secure the new heat sink and fan assembly to the system board. Do not over-tighten the screws. Then, install the four screws to secure the new heat sink and fan assembly to the chassis.

  • Page 97: Chassis Beam

    Chassis beam Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. For access, remove the following FRUs in order if any: • “Computer cover” on page 53 • “Optical drive” on page 54 •...
  • Page 98 Replacement procedure P340 Hardware Maintenance Manual...

  • Page 99: Memory Module

    Memory module Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. Ensure that you follow the installation order for memory modules shown in the following illustration. For access, remove the following FRUs in order if any: •...

  • Page 100: Coin-Cell Battery

    • “Optical drive” on page 54 • “Front bezel” on page 56 • “Optical drive cage” on page 72 Removal steps Note: During the installation, ensure that you align the memory module to the slot and press down on both ends until the latches are fully engaged with a click.

  • Page 101: Power Supply Assembly

    Removal steps Notes: • Reset the system date and time in the UEFI BIOS menu. • To dispose of the coin-cell battery, refer to the “Lithium coin-cell battery notice” in the Safety and Warranty Guide. Power supply assembly Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions.

  • Page 102: E-Lock

    Hazardous voltage, current, and energy levels are present inside any component that has this label attached. There are no serviceable parts inside these components. If you suspect a problem with one of these parts, contact a service technician. For access, do the following: 1.

  • Page 103: Front I/O Bracket, Power Button Cable, And Card Reader

    Removal steps Front I/O bracket, power button cable, and card reader Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. For access, do the following: 1. Remove the following FRUs in order if any: •...
  • Page 104 Replacement procedure P340 Hardware Maintenance Manual...

  • Page 105: Flexible I/O Board

    Flexible I/O board Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. For access, remove the following FRUs in order if any: • “Computer cover” on page 53 • “E-lock” on page 96 •...

  • Page 106: Wi-Fi Card

    Removal steps Wi-Fi card Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. For access, remove “Computer cover” on page 53. Removal steps P340 Hardware Maintenance Manual...

  • Page 107: Front Wi-Fi Antenna

    Front Wi-Fi antenna Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. For access, remove the following FRUs in order, if any: • “Computer cover” on page 53 • “Optical drive” on page 54 •...
  • Page 108 Replacement procedure P340 Hardware Maintenance Manual...

  • Page 109: Thinkstation Led

    ThinkStation LED Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. For access, do the following: 1. Remove the following FRUs in order if any: • “Computer cover” on page 53 •...

  • Page 110: Thermal Sensor

    Removal steps Thermal sensor Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. For access, do the following: 1. Remove the following FRUs in order if any: • “Computer cover” on page 53 •...

  • Page 111: Cover Presence Switch Cable And Bracket

    Removal steps Cover presence switch cable and bracket Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. For access, do the following: 1. Remove “Computer cover” on page 53. 2. Disconnect the cover presence switch cable from the system board. Chapter 7 Hardware removal and installation...

  • Page 112: Microprocessor

    Removal steps Microprocessor Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. The heat sink and microprocessor might be very hot. Before you open the computer cover, turn off the computer and wait several minutes until the computer is cool. For access, remove these FRUs in order, if any: •...
  • Page 113 Removal steps System board Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. The heat sink and microprocessor might be very hot. Before you open the computer cover, turn off the computer and wait several minutes until the computer is cool.
  • Page 114 • Do not touch the pins on the microprocessor socket or the gold contacts on the microprocessor. For access, do the following: 1. Remove these FRUs in order, if any: • “Computer cover” on page 53 • “Optical drive” on page 54 •...
  • Page 115 2. Remove the microprocessor from the failing system board, and then install it onto the new system board. 3. Install the new system board into the chassis by aligning the nine screw holes in the new system board with the corresponding mounting studs on the chassis. Then, install the nine screws to secure the new system board.
  • Page 116 4. Reconnect all the cables to the system board. 5. Reinstall all parts that you have removed one by one in the reversed sequence as you remove them. The failing system board must be returned with a microprocessor socket cover to protect the pins during shipping and handling.
  • Page 117 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 118 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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