Lenovo ThinkStation P620 Hardware Maintenance Manual
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Lenovo ThinkStation P620 Hardware Maintenance Manual

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  • Page 1 P620 Hardware Maintenance Manual...
  • Page 2 Forth Edition (March 2022) © Copyright Lenovo 2020, 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

    ....115 Configure RAID with RAIDXpert2 Configuration Utility ....© Copyright Lenovo 2020, 2022...
  • Page 4 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 5: 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 2020, 2022...

  • Page 6: 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 7: 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 8: 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 9 • 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 10 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 11 Chapter 1 Important safety information...
  • Page 12 ≥18 kg (37 lb) ≥32 kg (70.5 lb) ≥55 kg (121.2 lb) P620 Hardware Maintenance Manual...
  • Page 13 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 14 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 15 Chapter 1 Important safety information...
  • Page 16 P620 Hardware Maintenance Manual...
  • Page 17 Chapter 1 Important safety information...
  • Page 18 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 19 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 20 ≥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 21 • 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 22 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 23 Chapter 1 Important safety information...
  • Page 24 PERICOLO La corrente elettrica proveniente dai cavi di alimentazione, del telefono e di comunicazione può essere pericolosa. Per evitare il rischio di scosse elettriche: P620 Hardware Maintenance Manual...
  • Page 25 • 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 26 • 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 27 Chapter 1 Important safety information...
  • Page 28 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 29 • 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 30 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 31: 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 2020, 2022...

  • Page 32: 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 33: Chapter 3. Product Overview

    5. Storage drive activity indicator This indicator is on when the storage drive is in use. This sensor receives the flash light sent by the Lenovo PC Diagnostics application installed in the smartphone. Then, the photoelectric sensor triggers the computer 6.
  • Page 34 Connect a headset or headphones to your computer. 7. Headset connector Display a four-digit error code when an issue or error is detected. You can check 8. Four-digit diagnostic display the error code at https://thinkworkstationsoftware.com/diags • Charge USB- compatible devices with the output voltage and current of 5 V and 2.1 A.

  • Page 35: Rear

    Rear Connect a microphone to your computer when you want to record sound or 1. Microphone connector interact with the computer using speech recognition software. Send audio signals from the computer to external devices, such as powered stereo speakers, headphones, or multimedia keyboards. To connect a stereo system or other external recording device, connect a cable between the audio line-in connector of the device and the audio line-out connector of the computer.
  • Page 36 Connect to a local area network (LAN). When the green indicator is on, the 9. Ethernet connector computer is connected to a LAN. When the yellow indicator blinks, data is being transmitted. Install PCI-Express cards into this area to improve the operating performance of 10.

  • 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 2020, 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

    8999 Not enough PCIe/PCI MMIO This error message is displayed resources. Currently only one video when the PCIe/PCI MMIO card is enabled. Remove some PCIe (memory mapped input/output) cards. resources are insufficient. Remove some add-in cards. Miscellaneous error conditions Message/Symptom FRU/Action Changing display colors Display/Monitor...
  • Page 42 Message/Symptom FRU/Action Intensity or color varies from left to right of characters and 1. Display color bars 2. Video adapter (if present) 3. System Board No power or fan not running 1. See “Hard disk drive boot error” on page 34. Non-system disk or disk error-type message with a 1.

  • 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 P620 Hardware Maintenance Manual...

  • Page 45: Chapter 5. Raid

    Arrays section. Refer to “Configure RAID with RAIDXpert2 Configuration Utility” on page 42 to find the first array by viewing array details and checking the array number. Your computer supports the following RAID levels: • RAID 0: striped disk array © Copyright Lenovo 2020, 2022...

  • Page 46: Configure Raid With Raidxpert2 Configuration Utility

    – Provide the highest performance but no data redundancy. Data in the array is striped (distributed) across several disks. – Support 2-8 disks. – RAID 0 arrays are useful for holding information, such as the operating system paging file, where performance is extremely important but redundancy is not.
  • Page 47 1. Enter the RAIDXpert2 Configuration Utility menu. Then, use the arrow keys to select Physical Disk Management and press Enter. 2. Use the arrow keys to select Select Physical Disk Operations and press Enter. 3. Use the arrow keys to select Initialize Disk and press Enter. 4.
  • Page 48 1. Enter the RAIDXpert2 Configuration Utility menu. Then, use the arrow keys to select Array Management and press Enter. 2. Use the arrow keys to select Delete Arrays and press Enter. 3. Select the array(s) to delete: a. Use the arrow keys to select the desired array or multiple arrays, then press the Space Bar or Enter to change the option to Enabled for deletion.

  • Page 49: Chapter 6. Diagnostics

    4. Run the diagnostic program. 5. Recover your operating system. See “Self-help resources” on page 47. 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 50: Lenovo Diagnostic Tools

    • If your computer does not function: – Use “Lenovo PC Diagnostics” on page 47. – Record the error code displayed on the four-digit diagnostic display (for selected models) or on your smartphone with Lenovo PC Diagnostics installed, and then decode the error at https:// www.thinkworkstationsoftware.com/codes...

  • Page 51: The Vantage App

    Lenovo PC Diagnostics is an app installed on your smartphone to decode beep errors when an error with beeps is emitted from your computers. To diagnose problems with Lenovo PC Diagnostics: 1. Download Lenovo PC Diagnostics from app stores or the Le Store Web site and install it on your smartphone: •...
  • Page 52 • 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 53: Chapter 7. 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 2020, 2022...

  • Page 54: 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 55 Number Description Self-service CRU Optional-service CRU Heat sink and fan assembly Front panel I/O cage Slim-optical-drive adapter* Multi-drive conversion kit* Chapter 7 Hardware removal and installation...
  • Page 56 Cover presence switch (intrusion switch) Wi-Fi card* Lock kit* Rear fan assembly Graphics card dongle* Wi-Fi antenna* Serial COM cable Microprocessor Mechanical chassis Coin-cell battery Memory modules System board Lenovo factory recovery USB key (available on some models) P620 Hardware Maintenance Manual...

  • Page 57: System Board

    Number Description Self-service CRU Optional-service CRU Lenovo recovery disc set (available on some models) Miscellaneous parts kits Miscellaneous cables Mouse* Keyboard* Power cord For detailed FRU and CRU information, such as the FRU part numbers and supported computer models, go http://www.lenovo.com/serviceparts-lookup...
  • Page 58 Figure 1. System board part locations Cover presence switch connector (intrusion switch Memory fan connector 1 connector) Optical-drive fan connector 2 4-pin power connector (for optical drive) Memory slot 1 Memory slot 2 Memory slot 3 Memory slot 4 Thermal-sensor connector Optical-drive fan connector Microprocessor fan connector 1 Microprocessor...
  • Page 59 8-pin power connector (for graphics card) 8-pin power connector (for graphics card) Front-fan-assembly connector eSATA / SATA 6 connector SATA 4 connector SATA 2 connector SATA 1 connector SATA 3 connector SATA 5 connector Media card reader (MCR) header Internal USB 3.2 Gen 2 connector Alternative Trusted Platform Module (TPM) header Thunderbolt™...

  • Page 60: 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. 1. M.2 solid-state drive slots One or two M.2 solid-state drives are installed in selected models.

  • Page 61: Removing And Installing Hardware

    You can install hard disk drives in the storage drive bays. 3. Storage drive bays* Note: If you want to install storage drives into the optional-storage-drive bays, contact the Lenovo Customer Support Center for help. 4. Storage drive bays You can install hard disk drives in the storage drive bays.

  • Page 62: Computer Cover

    Removal steps Computer cover Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. Before you open the computer cover, turn off the computer and wait several minutes until the computer is cool.
  • Page 63 Replacement steps Chapter 7 Hardware removal and installation...
  • Page 64 P620 Hardware Maintenance Manual...
  • Page 65 Chapter 7 Hardware removal and installation...

  • Page 66: Serial Com Cable

    Note: If a locking device is available, use it to lock the computer. Serial COM cable 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 67: Device In The Flex Bay

    Removal steps Device in the flex bay Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. The flex bay of your computer supports the following devices: • Flex module • Front-access storage enclosure •...
  • Page 68 2. Remove the slim optical drive from the failing adapter and install the slim optical drive into the new adapter. See “Device in the multi-drive conversion kit” on page 68.. 3. If you are installing a slim-optical-drive adapter into the flex bay with a plastic shield installed, press the clip as shown to remove the plastic shield.
  • Page 69 4. Install the slim-optical-drive adapter. Chapter 7 Hardware removal and installation...

  • Page 70: Storage Drive In The Front-Access Storage Enclosure

    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. When handling the internal storage drive, observe the following guidelines: •...
  • Page 71 • The SATA cable of the front-access storage enclosure is connected to the eSATA connector on the system board. To verify the cable connection, see “System board” on page 53 for more information. • The operating system of your computer does not reside on the storage drive installed in the front-access storage enclosure.

  • Page 72: Device In The Multi-Drive Conversion Kit

    Notes: • Ensure that the circuit board faces downward and the connectors face toward the rear of the bracket. • Do not touch the circuit board on the storage drive during operation. Device in the multi-drive conversion kit Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions.
  • Page 73 Replacement steps for the slim optical drive Chapter 7 Hardware removal and installation...
  • Page 74 Replacement steps for the 3.5-inch storage drive To install a 3.5-inch storage drive, ensure that the conversion bracket is unfolded. To unfold the bracket: 1. Remove pins and install them into slots P620 Hardware Maintenance Manual...
  • Page 75 2. Release tabs , and from the corresponding slots. 3. Unfold the bracket as shown. 4. Insert tabs , and into the corresponding slots. Ensure that the tabs are secured in place. Chapter 7 Hardware removal and installation...
  • Page 76 P620 Hardware Maintenance Manual...

  • Page 77: Device In The Flex Module

    Device in the flex module Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. The flex module might be equipped with either one or both of the following components: • Slim optical drive •...
  • Page 78 Replacement steps for the slim optical drive If no slim optical drive has been installed in the flex module before, press the two metal clips to remove the plastic clip with the two screws as shown. Remove the two screws. P620 Hardware Maintenance Manual...
  • Page 79 Replacement steps for the 15-in-1 card reader Chapter 7 Hardware removal and installation...
  • Page 80 P620 Hardware Maintenance Manual...

  • Page 81: Front Panel I/O Cage

    Front panel I/O 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 computer cover. See “Computer cover” on page 58. 2. Lay the computer on its side for easier access to the front panel I/O cage. Replacement steps Chapter 7 Hardware removal and installation...

  • Page 82: Cover Presence Switch

    Cover presence switch 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 computer cover. See “Computer cover” on page 58. 2. Disconnect the cover presence switch cable from the system board. See “System board” on page 53. Removal steps P620 Hardware Maintenance Manual...

  • Page 83: Front Fan Assembly

    Front fan assembly Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. CAUTION: Keep fingers and other parts of your body away from hazardous, moving parts. If you suffer an injury, seek medical care immediately.

  • Page 84: Storage Drive In A Storage Drive Bay

    Storage drive in a storage drive bay 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 85 Replacement steps To install a 3.5-inch storage drive, ensure that the conversion bracket is unfolded. To unfold the bracket: 1. Remove the pin and install it into the slot 2. Release tabs , and from the corresponding slots. Chapter 7 Hardware removal and installation...
  • Page 86 3. Unfold the bracket as shown. 4. Insert tabs , and into the corresponding slots. Ensure that the tabs are secured in place. P620 Hardware Maintenance Manual...

  • Page 87: Storage Drive Cage

    Storage drive cage Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. Your computer might come with an optional storage drive cage. For access, do the following: 1. Remove the computer cover. See “Computer cover” on page 58. 2.
  • Page 88 Replacement steps P620 Hardware Maintenance Manual...
  • Page 89 Chapter 7 Hardware removal and installation...

  • Page 90: M.2 Solid-State Drive

    M.2 solid-state drive 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 91 Replacement steps Notes: • Do not touch the circuit board of the M.2 solid-state drive. • If only one M.2 solid-state drive is installed, ensure that the drive is installed in the M.2 solid-state drive slot 1 ( ). See “System board” on page 53. Chapter 7 Hardware removal and installation...
  • Page 92 P620 Hardware Maintenance Manual...
  • Page 93 M.2 solid-state drive in an M.2 solid-state drive PCIe adapter Install M.2 solid-state drives in the alphabetic order as shown. For access, do the following: 1. Remove the computer cover. See “Computer cover” on page 58. 2. Remove the M.2 solid-state drive PCIe adapter from the PCIe card slot. See “Full-length PCIe card” on page 96.
  • Page 94 If necessary, move the retention latch to an appropriate location to suit the length of the new M.2 solid-state drive. P620 Hardware Maintenance Manual...
  • Page 95 Chapter 7 Hardware removal and installation...

  • Page 96: Power Supply Assembly

    Power supply assembly Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. Although there are no moving parts in the computer after the power cord has been disconnected, the following warnings are required for your safety. Keep fingers and other parts of your body away from hazardous, moving parts.

  • Page 97: Pcie Card

    Removal steps PCIe card Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. Install PCIe cards according to the corresponding slot types and the following illustrated installation order: Chapter 7 Hardware removal and installation...
  • Page 98 Figure 2. PCIe card installation order For access, do the following: 1. Remove the computer cover. See “Computer cover” on page 58. 2. Lay the computer on its side for easier access to the system board. 3. Remove the power cable from the PCIe card, if any. Removal steps Note: The PCIe card retainer is only available on some models.
  • Page 99 Note: The card might fit tightly into the slot. If necessary, alternately move each side of the card a small amount until the card is removed from the slot. Chapter 7 Hardware removal and installation...

  • Page 100: Full-Length Pcie Card

    Full-length PCIe card 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 computer cover. See “Computer cover” on page 58. 2. Lay the computer on its side for easier access to the system board. 3.
  • Page 101 Removal steps Note: The card might fit tightly into the slot. If necessary, alternately move each side of the card a small amount until the card is removed from the slot. Chapter 7 Hardware removal and installation...

  • Page 102: Rear Fan Assembly

    Rear fan assembly Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. CAUTION: Keep fingers and other parts of your body away from hazardous, moving parts. If you suffer an injury, seek medical care immediately.
  • Page 103 Replacement steps Chapter 7 Hardware removal and installation...

  • Page 104: Memory Module Active Cooler And Duct

    Memory module active cooler and duct 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 computer cover. See “Computer cover” on page 58. 2.
  • Page 105 Your computer has eight slots for installing DDR4 RDIMMs that provide up to a maximum of 512 GB system memory. When removing or installing a memory module, use the following guidelines: • Use 16 GB, 32 GB, or 64 GB DDR4 ECC RDIMMs in any combination up to a maximum of 512 GB. •...

  • Page 106: Coin-Cell Battery

    Coin-cell battery Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. Your computer has a special type of memory that maintains the date, time, and settings for built-in features, such as parallel connector assignments (configurations). A coin-cell battery keeps this information active when you turn off the computer.
  • Page 107 Reset the system date and time in the UEFI BIOS menu. Chapter 7 Hardware removal and installation...

  • Page 108: Wi-Fi Units

    To dispose of the coin-cell battery, refer to the “Lithium coin-cell battery notice” in the Safety and Warranty Guide. Wi-Fi units Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. The Wi-Fi units include a Wi-Fi adapter, a Wi-Fi card, and a Wi-Fi antenna. For access, remove the computer cover.
  • Page 109 Chapter 7 Hardware removal and installation...

  • Page 110: 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. P620 Hardware Maintenance Manual...

  • Page 111: Microprocessor

    CAUTION: 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. For access, do the following: 1.
  • Page 112 CAUTION: 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. Notes: •...
  • Page 113 Note: Do not touch the pins on the microprocessor socket or the gold contacts on the bottom of the new microprocessor. Chapter 7 Hardware removal and installation...
  • Page 114 P620 Hardware Maintenance Manual...

  • Page 115: System Board

    System board Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions. CAUTION: 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.
  • Page 116 Removal steps 1. Remove the 11 screws that secure the system board in the sequence shown in the following illustration. 2. Slide the system board to the front of the computer and then carefully lift the system board out of the chassis.
  • Page 117 Chapter 7 Hardware removal and installation...
  • Page 118 P620 Hardware Maintenance Manual...

  • Page 119: Appendix A. Notices And Trademarks

    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 120 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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