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Lenovo N22 Hardware Maintenance Manual

Parts list

This section presents the following service parts:
•  “Overall” on page 55
•  “LCD FRUs” on page 57
•  “Miscellaneous parts” on page 59
•  “Screw” on page 59
•  “AC adapters” on page 60
•  “Power cords” on page 61

Notes:

• Each FRU is available for all types or models, unless specific types or models

are specified.

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Содержание N22 CHROMEBOOK

Страница 1: ...Lenovo N22 Hardware Maintenance Manual ...

Страница 2: ...es on page 64 First Edition February 2016 Copyright Lenovo 2016 All rights reserved LIMITED AND RESTRICTED RIGHTS NOTICE If data or software is delivered pursuant a General Services Administration GSA contract use reproduction or disclosure is subject to restrictions set forth in Contract No GS 35F 05925 2016 Lenovo ...

Страница 3: ... factory default 23 Passwords 24 Power on password 24 Hard disk password 24 Supervisor password 24 Power management 25 Screen blank state 25 Putting the computer to sleep or shutting it down 25 Putting your computer to sleep 25 Shutting down the computer 26 Lenovo N22 27 Specifications 27 Status indicators 29 Fn key combinations 30 FRU replacement notices 31 Screw notices 31 Removing and replacing...

Страница 4: ...idelines and safety information required for servicing computers The product specific section includes service reference and product specific parts information Important This manual is intended only for trained servicers who are familiar with Lenovo products Use this manual to troubleshoot problems effectively Before servicing a Lenovo product make sure to read all the information under Safety inf...

Страница 5: ...with before you service a Lenovo N22 computer General safety on page 2 Electrical safety on page 3 Safety inspection guide on page 5 Handling devices that are sensitive to electrostatic discharge on page 6 Grounding requirements on page 6 Safety notices multilingual translations on page 7 Laser compliance statement on page 14 ...

Страница 6: ...e away from all personnel while you are servicing the machine Keep your toolcase away from walk areas so that other people will not trip over it Do not wear loose clothing that can be trapped in the moving parts of the machine Make sure that your sleeves are fastened or rolled up above your elbows If your hair is long fasten it Insert the ends of your necktie or scarf inside clothing or fasten it ...

Страница 7: ...x in the off position If you need to work on a machine that has exposed electrical circuits observe the following precautions Ensure that another person familiar with the power off controls is near you Attention Another person must be there to switch off the power if necessary Use only one hand when working with powered on electrical equipment keep the other hand in your pocket or behind your back...

Страница 8: ...a plastic dental mirror The surface is conductive such touching can cause personal injury and machine damage 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 If an electrical accident occurs Cauti...

Страница 9: ...e or missing hardware To determine whether there are any potential unsafe conditions use the following checklist at the beginning of every service task Begin the checks with the power off and the power cord disconnected Checklist 1 Check exterior covers for damage loose broken or sharp edges 2 Turn off the computer Disconnect the power cord 3 Check the power cord for a A third wire ground connecto...

Страница 10: ...o eliminate static on your body Prevent the part from touching your clothing Most clothing is insulative and retains a charge even when you are wearing a wrist strap Use the black side of a grounded work mat to provide a static free work surface The mat is especially useful when handling ESD sensitive devices Select a grounding system such as those listed below to provide protection that meets the...

Страница 11: ... Austausch der Computer wieder angeschlossen wird muß sichergestellt werden daß keine Schrauben Federn oder andere Kleinteile fehlen oder im Gehäuse vergessen wurden Der Computer muß geschüttelt und auf Klappergeräusche geprüft werden Metallteile oder splitter können Kurzschlüsse erzeugen Prima di accendere l elaboratore dopo che é stata effettuata la sostituzione di una FRU accertarsi che tutte l...

Страница 12: ...n Sie darf nicht zerlegt wiederaufgeladen kurzgeschlossen oder Feuer oder Wasser ausgesetzt werden Bei der Entsorgung die örtlichen Bestimmungen für Sondermüll beachten Beim Ersetzen der Bereitschafts oder Systembatterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgeführt ist Der Einsatz falscher Batterien kann zu Entzündung oder Explosion führen Alcune batterie di riserva conte...

Страница 13: ...schlossen oder Feuer oder Wasser ausgesetzt werden Bei der Entsorgung die örtlichen Bestimmungen für Sondermüll beachten Beim Ersetzen der Batterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgeführt ist Der Einsatz falscher Batterien kann zu Entzündung oder Explosion führen La batteria contiene piccole quantità di nichel Non smontarla gettarla nel fuoco o nell acqua né cortocir...

Страница 14: ...s Typs dürfen nicht aufgeladen zerlegt über 100 C erhitzt oder verbrannt werden Auch darf ihr Inhalt nicht mit Wasser in Verbindung gebracht oder der zur richtigen Polung angebrachte Verbindungsstecker entfernt werden Bei der Entsorgung die örtlichen Bestimmungen für Sondermüll beachten Beim Ersetzen der Batterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgeführt ist Der Einsat...

Страница 15: ...irm besteht aus Glas und kann zerbrechen wenn er unsachgemäß behandelt wird oder der Computer auf den Boden fällt Wenn der Bildschirm beschädigt ist und die darin befindliche Flüssigkeit in Kontakt mit Haut und Augen gerät sollten die betroffenen Stellen mindestens 15 Minuten mit Wasser abgespült und bei Beschwerden anschließend ein Arzt aufgesucht werden Nel caso che caso l LCD si dovesse rompere...

Страница 16: ...tery can produce enough current to burn personnel or combustible materials Bien que le voltage des batteries principales soit peu élevé le court circuit ou la mise à la masse d une batterie peut produire suffisamment de courant pour brûler des matériaux combustibles ou causer des brûlures corporelles graves Obwohl Hauptbatterien eine niedrige Spannung haben können sie doch bei Kurzschluß oder Erdu...

Страница 17: ...t déconnectez tous les cordons d interface Die Stromzufuhr muß abgeschaltet alle Stromkabel aus der Steckdose gezogen der Akku entfernt und alle Verbindungskabel abgenommen sein bevor eine FRU entfernt wird Prima di rimuovere qualsiasi FRU spegnere il sistema scollegare dalle prese elettriche tutti i cavi di alimentazione rimuovere la batteria e poi scollegare i cavi di interconnessione Antes de q...

Страница 18: ...mance of procedures other than those specified herein might result in hazardous radiation exposure O uso de controles ajustes ou desempenho de procedimentos diferentes daqueles aqui especificados pode resultar em perigosa exposição à radiação Pour éviter tout risque d exposition au rayon laser respectez les consignes de réglage et d utilisation des commandes ainsi que les procédures décrites Werde...

Страница 19: ...uz Rayonnement laser si carter ouvert Évitez de fixer le faisceau de le regarder directement avec des instruments optiques ou de vous exposer au rayon Laserstrahlung bei geöffnetem Gerät Nicht direkt oder über optische Instrumente in den Laserstrahl sehen und den Strahlungsbereich meiden Kinyitáskor lézersugár Ne nézzen bele se szabad szemmel se optikai eszközökkel Kerülje a sugárnyalábbal való ér...

Страница 20: ...d on the customer support site http support lenovo com Strategy for replacing FRUs Before replacing parts Make sure that all software fixes drivers and BIOS downloads are installed before replacing any FRUs listed in this manual After a system board is replaced ensure that the latest BIOS is loaded to the system board before completing the service action To download software fixes drivers and BIOS...

Страница 21: ...onfiguration settings using the View Configuration option then when service has been completed verify that those settings remain in effect Strategy for replacing a hard disk drive Always try to run a low level format before replacing a hard disk drive This will cause all customer data on the hard disk to be lost Make sure that the customer has a current backup of the data before performing this ac...

Страница 22: ...nce well before the implementation date and expects its suppliers to be ready to support Lenovo s requirements and schedule in the EU Products sold in 2005 and 2006 will contain some RoHS compliant FRUs The following statement pertains to these products and any product Lenovo produces containing RoHS compliant FRUs RoHS compliant FRUs have unique FRU part numbers Before or after the RoHS implement...

Страница 23: ...ence might have been altered If you select an incorrect drive data or programs might be overwritten Replace an FRU only with another FRU of the correct model When you replace an FRU make sure that the machine model and the FRU part number are correct by referring to the FRU parts list An FRU should not be replaced just because of a single unreproducible failure Single failures can occur for a vari...

Страница 24: ...arranty by referring to the following list The following are not covered under warranty LCD panel cracked from the application of excessive force or from being dropped Scratched cosmetic parts Distortion deformation or discoloration of the cosmetic parts Plastic parts latches pins or connectors that have been cracked or broken by excessive force Damage caused by liquid spilled into the system Dama...

Страница 25: ...ct continuity and installation If the computer does not charge during operation go to Checking operational charging on page 21 To check the AC adapter follow the steps below 1 Unplug the AC adapter cable from the computer 2 Measure the output voltage at the plug of the AC adapter cable See the following figure Note Output voltage for the AC adapter pin No 2 may differ from the one you are servicin...

Страница 26: ...f the battery status indicator or icon is not lit remove the battery pack and let it return to room temperature Reinstall the battery pack If the charge indicator or icon is still off replace the battery pack If the charge indicator is still not lit replace the system board ...

Страница 27: ...overy System In order to save application files and the initial backed up files of the system the hard disk in a Lenovo computer includes a hidden partition when it is shipped If you need to restore the system to the point of your first boot up just enter Lenovo OneKey Recovery System and run System Recovery For details of OneKey Recovery System see the User Guide for Lenovo OneKey Recovery system...

Страница 28: ...ystem administrator who can use it to get access to the hard disk drive even if the user has changed the user HDP Attention If the user HDP has been forgotten check whether a master HDP has been set If it has it can be used for access to the hard disk drive If no master HDP is available neither Lenovo nor Lenov authorized service technicians provide any services to reset either the user or the mas...

Страница 29: ...d working with your computer you can put it to sleep or shut it down Putting your computer to sleep If you will be away from your computer for only a short time put the computer to sleep When the computer is in sleep mode you can quickly wake it to resume use bypassing the startup process To put the computer to sleep do one of the following Close the display lid Press the power button Move the cur...

Страница 30: ...o use your computer for a long time shut it down To shut down your computer do one of the following Move the cursor to the lower left corner and then select the Start button Select Power Shut down Right click the Start button in the lower left corner and select Shut down or sign out Shut down ...

Страница 31: ...tions of the Lenovo N22 Table 1 Specifications Feature Description Form Factor Dimensions Appr 300 5 mm 212 mm 21 7 mm Weight Appr 1 22 kg with battery LCD size 11 6 inch Processor Processor See the system properties of your computer you can do this as follows Click Control Panel then click Hardware and Sound click Device Manager under Devices and Printers and double click Processors Memory Type a...

Страница 32: ... audio jack 1 Video Audio HDMI slot 1 Memory card slot slot 1 Micro SD Battery pack Type Li ion battery pack Cells Capacity 3 Cells 15 Wh Note The capacity given here is the typical or average capacity as measured in a specific test environment Capacities measured in other environments may differ but are no lower than the rated capacity see product label AC power adapter Input 100 240 V 50 60 Hz O...

Страница 33: ...er The battery has between 5 and 20 charge Fast blinking amber The battery has between 1 and 5 charge Connected Slow blinking amber The battery is being charged When battery charge reaches 20 the blinking color changes to white Slow blinking white The battery has between 20 and 80 charge and is still charging When the battery reaches 80 charge the light will stop blinking Solid white The battery h...

Страница 34: ...rdware Maintenance Manual Fn key combinations The following table describes the functions of Fn key combinations Table 3 Function key combinations Fn PgUp Activates the Home function Fn PgDn Activates the End function ...

Страница 35: ...s for reuse when replacing FRUs Use a torque screwdriver if you have one Tighten screws as follows Plastic to plastic Turn an additional 90 after the screw head touches the surface of the plastic part more than 90 Cross section Logic card to plastic Turn an additional 180 after the screw head touches the surface of the logic card more than 180 Cross section Torque driver If you have a torque screw...

Страница 36: ...iven by the arrow in the figure 7 To put the new FRU in place reverse the removal procedures and follow any of the notes that pertain to replacement For information about connecting and arranging internal cables see Locations on page 52 8 When replacing an FRU use the correct screw as shown in the procedures DANGER Before removing any FRU turn off the computer unplug all power cords from electrica...

Страница 37: ...steps of base cover Remove the screws 1 Carefully pry off the base cover and lift it up in the direction shown by arrow 2 a a a a a a a a a a a b Step Screw quantity Color Torque 1 M2 5 5 5 mm flat head nylok coated 11 Lower to Upper Black 2 kgf cm ...

Страница 38: ...om the old base cover and put on the new base cover a INDIA label b KOREA label c Indonesia label 26 X 10 mm d Indonesia label e Malaysia label f South Africa label g US CA TW or ISRAEL label h BRAZIL Label For some models you also need to apply one or two FCC labels Check the old base cover if it has one or two FCC labels find duplicates of them in the label kit and apply them to the new base cov...

Страница 39: ... battery could ignite or explode Figure 2 Removal steps of battery pack Unplug the battery connector 1 and remove the screws 2 Then remove the battery pack in the direction shown by arrow 3 b b b b b a c Step Screw quantity Color Torque 2 M2 3 mm flat head nylok coated 5 Bty to Upper Black 2 kgf cm When installing Make sure that the battery connector is attached firmly ...

Страница 40: ...proved module in order to comply with FCC and IC regulations Refer to Table 4 Parts list Overall on page 55 for Lenovo part numbers for the approved modules Figure 3 Removal steps of PCI Express Mini Card for wireless LAN Disconnect the two wireless LAN cables black white 1 and then remove the screw 2 a a b Step Screw quantity Color Torque 2 M2 3 mm flat head nylok coated 1 WLAN to Upper Black 1 k...

Страница 41: ...has 2 cables in step 1 The wireless LAN card in some models might have 3 cables in step 1 When installing In models with a wireless LAN card that has two antenna connectors plug the black cable 1st MAIN into the jack labeled 1 and the white cable 2nd AUX into jack labeled 2 on the card In models with a wireless LAN card that has three antenna connectors plug the black cable 1st MAIN into the jack ...

Страница 42: ...ver on page 33 1020 Battery pack on page 35 1030 PCI Express Mini Card for wireless LAN on page 36 Figure 4 Removal steps of LCD unit Disconnect the camera cable connector 1 Remove the screws 2 b b b b a Step Screw quantity Color Torque 2 M2 5 x 5 5 mm flat head nylok coated 4 Hinge to Upper Black 2 kgf cm ...

Страница 43: ...39 Lenovo N22 Figure 4 Removal steps of LCD unit continued Open the hinges 3 then remove the upper case from the LCD unit in the direction shown by arrow 4 d c c ...

Страница 44: ...e to put it only on a padded surface such as an ESD mat or conductive corrugated material For access remove these FRUs in order 1010 Base cover on page 33 1020 Battery pack on page 35 1030 PCI Express Mini Card for wireless LAN on page 36 1040 LCD unit on page 38 Figure 5 Removal steps of system board Remove screws 1 Unplug speaker connector and backup battery connector in the direction shown by a...

Страница 45: ...41 Lenovo N22 Figure 5 Removal steps of system board continued b b c d When installing Make sure that all the connectors are attached firmly Remove the system board in the direction shown by arrow 5 e ...

Страница 46: ...ini Card for wireless LAN on page 36 1040 LCD unit on page 38 1050 System board on page 40 Figure 6 Removal steps of speakers Remove screws 1 Lift the speakers in the direction shown by arrows 2 a a b a a b Step Screw quantity Color Torque 1 M2 3 mm flat head nylok coated 4 Speaker to Upper Black 2 kgf cm When installing Make sure that the connector is attached firmly ...

Страница 47: ...ss Mini Card for wireless LAN on page 36 1040 LCD unit on page 38 1050 System board on page 40 1060 Speakers on page 42 Figure 7 Removal steps of touch pad module and IO board Remove screws 1 Remove the IO board in the direction shown by arrow 2 a a a b Step Screw quantity Color Torque 1 M2 5 3 mm flat head nylok coated 3 IO board to C cover Black 2 kgf cm ...

Страница 48: ...e 7 Removal steps of touch pad module and IO board continued Remove the screws 1 then lift up and remove the touch pad module bracket a a b Step Screw quantity Color Torque 1 M2 3 mm flat head nylok coated 2 Touch pad module to upper Black 2 kgf cm ...

Страница 49: ...LAN on page 36 1040 LCD unit on page 38 1050 System board on page 40 1060 Speakers on page 42 1070 Touch pad module and IO board on page 43 Figure 8 Removal steps of LCD front bezel Remove LCD bezel plastic screwcaps 1 and the screws 2 b a b a b a b a b a b a Step Screw quantity Color Torque 2 M2 5 3 mm flat head nylok coated 6 LCD Hinge Cap to LCD cover Black 2 kgf cm ...

Страница 50: ...46 Lenovo N22 Hardware Maintenance Manual Figure 8 Removal steps of LCD front bezel continued Remove the LCD front bezel in the direction shown by arrows 3 c c c c ...

Страница 51: ... Mini Card for wireless LAN on page 36 1040 LCD unit on page 38 1050 System board on page 40 1060 Speakers on page 42 1070 Touch pad module and IO board on page 43 1080 LCD front bezel on page 45 Figure 9 Removal steps of LCD panel LCD cable LCD bracket and hinges Remove screws 1 a a a a Step Screw quantity Color Torque 1 M2 5 x 3 mm flat head nylok coated 4 Black 2 kgfcm ...

Страница 52: ...n over the LCD panel in the direction shown by arrow 2 Disconnect the connector 3 c b When installing Make sure that the connector is attached firmly Remove screws 4 and the hinges in the direction shown by arrows 5 d d d d e e Step Screw quantity Color Torque 4 M2 x 2 5 mm flat head nylok coated 4 Black 1 kgfcm ...

Страница 53: ...o N22 Figure 9 Removal steps of LCD panel LCD cable and hinges continued Remove screws 6 and then remove the LCD bracket f f Step Screw quantity Color Torque 6 M2 x 2 5 mm flat head nylok coated 2 Black 2 kgfcm ...

Страница 54: ...0 System board on page 40 1060 Speakers on page 42 1070 Touch pad module and IO board on page 43 1080 LCD front bezel on page 45 1090 LCD panel LCD cable LCD bracket and hinges on page 47 Figure 10 Removal steps of swivel camera Remove screws 1 remove the swivel camera from the LCD cover in the direction shown by arrow 2 a a b Step Screw quantity Color Torque 1 M2 2 5 mm flat head nylok coated 2 C...

Страница 55: ... 47 1100 Swivel camera on page 50 Figure 11 Removal steps of antenna assembly and LCD cover Note The integrated camera is stuck on the top center of the LCD cover Peel off the adhesive tapes securing the antenna boards release the cables from the cable guide and then remove the antenna assembly in the direction shown by arrows 1 a a When installing Route the antenna cables along the cable guides a...

Страница 56: ...ew 1 Swivel camera 2 Built in microphone 3 Wireless LAN antennas 4 Computer display 5 Power button 6 System status indicators Note For the description of each indicator see Status indicators on page 29 7 Touch pad 8 Combo audio jack 9 USB port J Kensington slot a b d g e c h i j f ...

Страница 57: ...53 Lenovo N22 Bottom and Left side view 1 Speakers 2 Memory card slot 3 HDMI port 4 USB 3 0 port 5 AC power adapter jack a a b c e d ...

Страница 58: ...presents the following service parts Overall on page 55 LCD FRUs on page 57 Miscellaneous parts on page 59 Screw on page 59 AC adapters on page 60 Power cords on page 61 Notes Each FRU is available for all types or models unless specific types or models are specified ...

Страница 59: ...55 Lenovo N22 Overall 1 3 a 8 4 7 c b 2 6 5 ...

Страница 60: ...6 5B20L08620 N 4 MB 3N win10 N3150 4GRAM64G 80S6 5B20L08617 N 4 MB 3N win10 N3060 2GRAM32G 80S6 5B20L08621 N 4 MB 3N win10 N3150 2GRAM32G 80S6 5B20L08587 N 4 MB 3N win10 N3050 2GRAM64G 80S6 5B20L08640 N 4 MB 3N win10 N3160 2GRAM64G 80S6 5B20L08599 N 4 MB 3N win10 N3050 2GRAM32G 80S6 5B20L08641 N 4 MB 3N win10 N3050 4GRAM64G 80S6 5B20L08581 N 4 MB 3N win10 N3160 4GRAM32G 80S6 5B20L08618 N 4 MB 3N w...

Страница 61: ...57 Lenovo N22 LCD FRUs In Lenovo N22 the type of LCD is 11 6 inch high definition HD 4 8 6 4 2 5 7 1 3 ...

Страница 62: ... 5R60L08585 N 2 LCD Bezel 3N 80S6 BLK 5CB0L08623 N 3 LCD Bracket 3N 80S6 5B40L08614 N 4 Hinge 3N L R 80S6 5H50L08675 N 5 Panel 11 6 eDP 1366 768 TN 3 0mm 5D10K38951 N 5 LCD 3N 11 6Inch 1366 768 80R2 5D10K38951 N 6 Camera module 3N 1M 80S6 5C20L08586 N 7 Lvds cable Camera cable 3N 80S6 5C10L08582 N 8 LCD Cover 3N 80S6 BLK 5CB0L08655 N ...

Страница 63: ...oard Bracket 3N 80S6 5B40L08667 N Cable miscellaneous parts b IO Board Cable 3N 24pin 80S6 c TP Button Board Cable 3N 80S6 Note Italicized letters in parentheses are references to the exploded view in Overall on page 55 5C10L08679 5C10L08654 N N Screw Table 7 Parts list screws FRU P N CRU ID Screw PACK 3N BLACK 80S6 5S10L08600 N ...

Страница 64: ...Table 8 Parts list AC adapters FRU P N CRU ID Adapter 45W round plug Chicony ADLX45NCC3A 20V2 25A adap R SA10L02297 Adapter 45W round plug Acbel ADLX45NAC3A 20V2 25A adap R SA10L02298 ADLX45NCC3A 20V2 25A adap R 01FR000 ADLX45NAC3A 20V2 25A adap R 01FR001 ...

Страница 65: ... SPT 2 LS15 1m 145000594 UK LINETEK LP 61L H03VV F LS15 1m 145000593 Indian LINETEK PE 361 H05VV F LS15 1m 145000592 Italy LINETEK LS15 H03VV F PE 336 1m 145000591 Korea LINETEK LS15 H05VV F LP E04A 1m 145000590 Australia LINETEK LS15 H03VV F LP 23A 1m 145000589 Taiwan LINETEK LS15 VCTF LP 53 1m 145000588 Japan LINETEK LS15 VCTF LP 54 1m 145000587 Africa LINETEK LS15 H03VV F PE 364 1m 145000586 CE...

Страница 66: ...Africa Longwell LP 39 H03VV F LS 18 1m 145000554 CE Longwell LP 34A H03VV F LS 18 1m 145000553 CCC VOLEX GB10S3 RVV 300 500 VAC5S 1m 145000538 UL Volex US15S3 SPT 2 VAC5S 1m 145000537 Italy VOLEX IT10S3 HO3VV F VAC5S 1m 145000535 Denmark VOLEX MP233D H03VV F VAC5S 1m 145000534 Korea VOLEX M2511 KETI IEC VAC5S 1m 145000533 Australia VOLEX AU10S3 H03VV F VAC5S 1m 145000532 Taiwan VOLEX TW15CS3 VCTF ...

Страница 67: ...05 Australia lux 0038 H03VV F 0 75 3C 0011 1m 145500006 Taiwan lux 0019 VCTF 0 75 3C 0021 1m 145500007 Korea lux 0033 H03VV F 0 75 3C 0011 1m 145500008 Italy lux 0029 H03VV F 0 75 3C 0011 1m 145500009 Africa lux 0044 H03VV F 0 75 3C 0011 1m 145500010 Brazil lux 0034 H03VV F 0 75 3C 0011 1m 145500011 Israel lux 0041 H03VV F 0 75 3C 0011 1m 145500012 Switzerland lux 0027 H03VV F 0 75 3C 0011 1m 1455...

Страница 68: ...y not apply to you This information could include technical inaccuracies or typographical errors Changes are periodically made to the information herein these changes will be incorporated in new editions of the publication Lenovo may make improvements and or changes in the product s and or the program s described in this publication at any time without notice The products described in this documen...

Страница 69: ...ble systems Furthermore some measurements may have been estimated through extrapolation Actual results may vary Users of this document should verify the applicable data for their specific environment Trademarks The following terms are trademarks or registered trademarks of Lenovo in the United States other countries or both Lenovo OneKey Microsoft and Windows are trademarks of Microsoft Corporatio...

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