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Lenovo IdeaCentre B540, Руководство по техническому обслуживанию аппаратной части

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IdeaCentre B540–B540PHardware Maintenance Manual

Содержание IdeaCentre B540

Страница 1: ...IdeaCentre B540 B540P Hardware Maintenance Manual ideaideaideaCentreidea ...

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Страница 3: ...IdeaCentre B540 B540P Hardware Maintenance Manual ...

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Страница 5: ...components 21 Chapter 8 Replacing hardware 27 General information 27 Replacing the keyboard and mouse 28 Replacing the power cord or power adapter 28 Removing the computer cover 29 Removing the computer stand 30 Replacing a memory module 31 Replacing the hard disk drive 32 Replacing the optical drive 33 Removing the middle cover 35 Replacing the converter board 37 Removing the EMI cover 38 Replaci...

Страница 6: ...iv IdeaCentre B540 B540PHardware Maintenance Manual ...

Страница 7: ...nd danger statements in this book before performing any of the instructions Veuillez lire toutes les consignes de type DANGER et ATTENTION du présent document avant d exécuter les instructions Lesen Sie unbedingt alle Hinweise vom Typ ACHTUNG oder VORSICHT in dieser Dokumentation bevor Sie irgendwelche Vorgänge durchführen Leggere le istruzioni introdotte da ATTENZIONE e PERICOLO presenti nel manu...

Страница 8: ...2 IdeaCentre B540 B540PHardware Maintenance Manual ...

Страница 9: ...l case 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 a machine Ensure 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 with a nonconductive clip approximately 8 centimeters 3 inches from the end Do ...

Страница 10: ... in your pocket or behind your back Remember There must be a complete circuit to cause electrical shock By observing the above rule you may prevent a current from passing through your body When using a tester set the controls correctly and use the approved probe leads and accessories for that tester Stand on suitable rubber mats obtained locally if necessary to insulate you from grounds such as me...

Страница 11: ...for a A third wire ground connector in good condition Use a meter to measure third wire ground continuity for 0 1 ohm or less between the external ground pin and frame ground b The power cord should be the appropriate type as specified in the parts listings c Insulation must not be frayed or worn 4 Remove the cover 5 Check for any obvious alterations Use good judgment as to the safety of any alter...

Страница 12: ... required for operator safety and correct system function Proper grounding of the electrical outlet can be verified by a certified electrician Safety notices The caution and danger safety notices in this section are provided in the the language of English DANGER Electrical current from power telephone and communication cables is hazardous To avoid a shock hazard Do not connect or disconnect any ca...

Страница 13: ... not Throw or immerse into water Heat to more than 100 C 212 F Repair or disassemble Dispose of the battery as required by local ordinances or regulations 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 radiati...

Страница 14: ...not turn off the electrical current supplied to the device The device also might have more than one power cord To remove all electrical current from the device ensure that all power cords are disconnected from the power source 1 2 CAUTION Do not place any object weighing more than 82 kg 180 lbs on top of rack mounted devices 8 IdeaCentre B540 B540PHardware Maintenance Manual ...

Страница 15: ...ons for your computer This section lists the physical specifications for your computer Type IdeaCentre B540 B540P This section lists the physical specifications Environment Air temperature Operating 10 to 35 C Transit 20 to 55 C Humidity Operating 35 to 80 Transit 20 to 90 40 C Altitude 86KPa to 106KPa Electrical input Input voltage 90V 264V AC Input frequency 47Hz 63Hz Copyright Lenovo 2012 9 ...

Страница 16: ...10 IdeaCentre B540 B540PHardware Maintenance Manual ...

Страница 17: ...dure to help determine the cause of the problem 1 Power off the computer and all external devices 2 Check all cables and power cords 3 Set all display controls to the middle position 4 Power on all external devices 5 Power on the computer Look for displayed error codes Look for readable instructions or a main menu on the display If you did not receive the correct response proceed to step 6 If you ...

Страница 18: ...12 IdeaCentre B540 B540PHardware Maintenance Manual ...

Страница 19: ...ings see Starting the Setup Utility program You must use the keyboard when using the Lenovo BIOS Setup Utility menu The keys used to perform various tasks are displayed on the bottom of each screen Using passwords You can use the Lenovo BIOS Setup Utility program to set passwords to prevent unauthorized persons from gaining access to your computer and data See Starting the Setup Utility program Th...

Страница 20: ... an Administrator Password do the following 1 Start the Lenovo BIOS Setup Utility program see Starting the Lenovo BIOS Setup Utility program on page 13 2 From the Security menu select Set Administrator Password and press the Enter key 3 The password dialog box will be displayed Type the current password then press Enter key 4 Type the new password then press Enter key Re type the password to confi...

Страница 21: ...rd Enter blank fields for each new password line item A setup notice will display that changes have been saved 4 Return to the Lenovo BIOS Setup Utility program menu and select the Exit option 5 Select Save changes and Exit from the menu Enabling or disabling a device The Devices options is used to enable or disable user access to the following devices USB Functions Select whether to enable or dis...

Страница 22: ...ice Menu does not display using these steps repeatedly press and release the F12 key rather than keeping it pressed when turning on the computer 3 Use and arrows to select the desired startup device from the Startup Device Menu and press the Enter key to begin Note Selecting a startup device from the Startup Device Menu does not permanently change the startup sequence Selecting or changing the sta...

Страница 23: ...ress the Esc key several times Do one of the following If you want to save the new settings select Save changes and Exit from the menu When the Save reset window shows select the Yes button and then press the Enter key to exit the Lenovo BIOS Setup Utility program If you do not want to save the settings select Discard changes and Exit from the menu When the Reset Without Saving window shows select...

Страница 24: ...18 IdeaCentre B540 B540PHardware Maintenance Manual ...

Страница 25: ...d disk drive boot error A hard disk drive boot error can have the following causes Error FRU Action The startup drive is not included in the boot sequence in configuration Check the configuration and ensure the startup drive is in the boot sequence No operating system installed on the boot drive Install an operating system on the boot drive The boot sector on the startup drive is corrupted The dri...

Страница 26: ...n in Startup option to Enabled The BIOS then ignores the missing keyboard during POST Reboot and Select proper Boot device or Insert Boot Media in selected Boot device The BIOS was unable to find a suitable boot device Make sure the boot drive is properly connected to the computer Make sure you have bootable media in the boot device Undetermined problems 1 Power off the computer 2 Remove or discon...

Страница 27: ...ir vents on the computer Blocked air vents can cause overheating 1 2 3 7 8 9 10 11 12 13 14 6 5 4 1 Built in microphone 8 Volume down 2 Built in camera 9 Volume up 3 Built in IR Emitter do not block selected models only 10 Brightness down 4 Hard disk drive indicator 11 Brightness up 5 Bluetooth status indicator 12 Novo vision button 6 Wi Fi status indicator 13 PC mode HDMI in AV in switch 7 TV ind...

Страница 28: ...trols and components on the left and right side of the computer 1 2 3 4 5 6 7 8 1 Optical drive 5 Microphone port 2 TV buttons selected models only 6 USB connector 3 USB connector 7 Memory card reader 4 Headphone port 8 Power button 22 IdeaCentre B540 B540PHardware Maintenance Manual ...

Страница 29: ...he computer 1 7 3 4 6 2 5 8 8 1 Ethernet port 5 AV IN connectors selected models only 2 USB connectors 6 TV tuner ports selected models only 3 HDMI OUT connector 7 Power connector 4 HDMI IN connector selected models only 8 Air vents do not block Chapter 7 Locating connectors controls and components 23 ...

Страница 30: ...ware TV Scale Board 3 Middle cover 16 WLAN card 4 Front LED indicator board 17 Speakers 5 EMI cover 18 Converter 6 Chassis 19 Heat sink 7 LED panel 20 Infra red module 8 Front bezel 21 System fans 9 Glass 22 Camera 10 Rear I O module 23 Hardware TV tuner board 11 Power supply 24 Hardware TV switch board 12 Motherboard 25 Touch module 13 Hard disk drive 26 Bluetooth module 24 IdeaCentre B540 B540PH...

Страница 31: ... 15 16 17 18 18 19 20 21 4 5 22 23 23 25 24 1 Touch Control Board Connector 14 Power Connector 2 SATA Power Connector 15 Speaker Connector 3 LVDS Connector 16 LED Board Connector 4 SATA Connector 17 Card Reader 5 SATA Connector 18 USB Connector 6 PSU P1 Connector 19 Audio Connector 7 Converter Connector 20 Memory Connectors 8 HWTV Module Connector 21 CPU Socket 9 B CAS Connector 22 PSU P2 Connecto...

Страница 32: ...cations of parts on the digital hardware TV board ATS C type 1 2 3 6 7 4 5 1 LVDS Connector 5 Tuner Board Connector 2 Converter Connector 6 Debug Port 3 TV Function Connector 7 Fan Connector 4 Mother Board Connector The following illustration shows the locations of parts on the digital hardware TV board DVB T type 1 2 3 6 7 4 5 1 LVDS Connector 5 Tuner Board Connector 2 Converter Connector 6 Fan C...

Страница 33: ...afety and Warranty Guide go to the Support Web site at http consumersupport lenovo com Note Use only parts provided by Lenovo General information Pre disassembly instructions Before proceeding with the disassembly procedure make sure that you do the following 1 Turn off the power to the system and all peripherals 2 Unplug all power and signal cables from the computer 3 Place the system on a flat s...

Страница 34: ...or help with locating the various connectors Note Your keyboard will be connected to a USB connector on one side or at the rear of the computer Step 4 Disconnect the defective keyboard cable from the computer and connect the new keyboard cable to the same connector Note The mouse can be replaced using the same method Replacing the power cord or power adapter Attention Turn off the computer and wai...

Страница 35: ...urn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover Note It may be helpful to place the computer face down on a soft flat surface for this procedure Lenovo recommends that you use a blanket towel or other soft cloth to protect the computer screen from scratches or other damage To remove the computer cover Chapter 8 Replacing hardware 29 ...

Страница 36: ...ng the various connectors Step 4 Remove the 2 cover pieces by sliding them in opposite directions as shown Step 5 To reinstall the computer cover a Line up the cover pieces with the chassis then slide them back Removing the computer stand Note Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover Note For this procedure it helps to place the computer face down...

Страница 37: ... and right view and Rear view for help with locating the various connectors Step 4 Push the stand lock upward to unlock it and then slide the stand out as show 1 2 3 1 2 3 Step 5 To reinstall the computer stand a Line up the computer stand with the mounting slots in the chassis and slide it back into position 1 b Lift up the rear of the computer stand until you hear a pa sound indicating the stand...

Страница 38: ...lign the new memory module with the memory socket then insert it and push down on the top edge Make sure the latches lock the memory module in place Step 7 Reattach the rear cover Replacing the hard disk drive Attention Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover Attention It may be helpful to place the computer face down on a soft flat surface for t...

Страница 39: ... Attention Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover To replace the optical drive Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the computer This in...

Страница 40: ...t 1 2 2 1 Step 6 Push a small iron stick paper clip into the small hole on the optical drive cover so that the disk springs out as shown Step 7 Remove the 2 screws that secure the optical drive to the metal bracket 1 Step 8 Use a small flat head screwdriver to press and push out the pins that secure the cover to the disk 2 3 34 IdeaCentre B540 B540PHardware Maintenance Manual ...

Страница 41: ...rom scratches or other damage To remove the middle cover Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the computer This includes power cords input output I O cables and any other cables that are co...

Страница 42: ...attach the middle cover a Line up the middle cover with chassis slide it back in position b Push down the middle cover to secure it with the pins c Secure the middle cover to the chassis with 5 screws d Reconnect the TV cable to the same connector Step 12 Reattach the optical drive computer stand and the rear cover 36 IdeaCentre B540 B540PHardware Maintenance Manual ...

Страница 43: ...er cords from electrical outlets Step 3 Disconnect all cables attached to the computer This includes power cords input output I O cables and any other cables that are connected to the computer Refer to Left and right view and Rear view for help with locating the various connectors Step 4 Remove the rear cover Refer to Removing the rear cover Step 5 Remove the computer stand Refer to Removing the c...

Страница 44: ...ocedure Lenovo recommends that you use a blanket towel or other soft cloth to protect the computer screen from scratches or other damage To replace the EMI cover Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables at...

Страница 45: ...that you use a blanket towel or other soft cloth to protect the computer screen from scratches or other damage To replace the camera Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the computer This i...

Страница 46: ...ttention Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover Note It may be helpful to place the computer face down on a soft flat surface for this procedure Lenovo recommends that you use a blanket towel or other soft cloth to protect the computer screen from scratches or other damage To replace the Bluetooth module Step 1 Remove any media disks CDs DVDs or...

Страница 47: ...luetooth module a Connect the cable to the new Bluetooth module b Line up the new Bluetooth module with the socket snap it into position and secure it with the pins Step 11 Reattach the middle cover optical drive computer stand and the rear cover Replacing the battery Note Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover Note It may be helpful to place th...

Страница 48: ...Note Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover Note It may be helpful to place the computer face down on a soft flat surface for this procedure Lenovo recommends that you use a blanket towel or other soft cloth to protect the computer screen from scratches or other damage To replace the system fan Step 1 Remove any media disks CDs DVDs or memory ca...

Страница 49: ...le cover optical drive computer stand and the rear cover Removing the power supply Attention Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover Note It may be helpful to place the computer face down on a soft flat surface for this procedure Lenovo recommends that you use a blanket towel or other soft cloth to protect the computer screen from scratches or ot...

Страница 50: ... to the metal bracket 1 Step 10 Disconnect the 2 power cables from the motherboard 2 Step 11 Remove the 4 screws that secure the power supply to the chassis and then lift up the power supply as shown 3 1 3 2 2 3 Step 12 To install the new power supply a Line up the new power supply secure it to the motherboard using the 6 screws b Connect the power cables to the motherboard Step 13 Reattach the EM...

Страница 51: ...ar cover Refer to Removing the rear cover Step 5 Remove the computer stand Refer to Removing the computer stand Step 6 Remove the optical drive Refer to Replacing the optical drive Step 7 Remove the middle cover Refer to Removing the middle cover Step 8 Remove the EMI cover Refer to Removing the EMI cover Step 9 Remove the system fans Refer to Replacing the system fans Step 10 Remove the 2 screws ...

Страница 52: ...from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the computer This includes power cords input output I O cables and any other cables that are connected to the computer Refer to Left and right view and Rear view for help with locating the various connectors...

Страница 53: ... microprocessor touch only the sides Note Do not drop anything onto the microprocessor socket while it is exposed The socket pins must be kept as clean as possible Step 13 Holding the sides of the microprocessor with your fingers remove the protective cover 1 that protects the gold contacts on the new microprocessor 2 Step 14 Holding the sides of the microprocessor with your fingers position the m...

Страница 54: ...ds that you use a blanket towel or other soft cloth to protect the computer screen from scratches or other damage To replace the rear I O module Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the com...

Страница 55: ... Secure the new I O module to the bracket with the 2 screws c Reattach the TV antenna cable to the rear I O module d Line the new I O module up with the chassis then secure it with the screws Step 15 Reattach the EMI cover middle cover optical drive computer stand and the rear cover Replacing the Wi Fi card Note Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the ...

Страница 56: ...o install the new Wi Fi card a Insert the new Wi Fi card to the socket and secure it with the screw b Connect the antenna cables to the new Wi Fi card Step 13 Reattach the EMI cover middle cover optical drive computer stand and the rear cover Replacing the TV tuner card Note Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover To replace the TV tuner card Ste...

Страница 57: ...the computer and wait 3 to 5 minutes to let it cool down before removing the cover To replace the speaker system Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the computer This includes power cords ...

Страница 58: ...s Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the computer This includes power cords input output I O cables and any other cables that are connected to the computer Refer to Left and right view and Rear view for help with locating the various connectors Step 4 Remove the rear cover Refer to Removing the rear cover Step 5 Remove the computer stand ...

Страница 59: ...m and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the computer This includes power cords input output I O cables and any other cables that are connected to the computer Refer to Left and right view and Rear view for help with locating the various connectors Step 4 Remove the rear cover Refer to Removi...

Страница 60: ...put output I O cables and any other cables that are connected to the computer Refer to Left and right view and Rear view for help with locating the various connectors Step 4 Remove the rear cover Refer to Removing the rear cover Step 5 Remove the computer stand Refer to Removing the computer stand Step 6 Remove the memory modules Refer to Replacing a memory module Step 7 Remove the optical drive R...

Страница 61: ...PU in the socket close the CPU retainer and lock it into position with the small handle f Install the memory module s to the new motherboard g Install the heat sink to the new motherboard h Install the system fans to the new motherboard i Install the TV scalar board to the new motherboard j Install the rear I O module to the new motherboard k Connect the antenna cable s to the TV Tuner card l Conn...

Страница 62: ...ve the EMI cover Refer to Removing the EMI cover Step 10 Remove the system fans Refer to Replacing the system fans Step 11 Remove the battery Refer to Replacing the battery Step 12 Remove the heat sink Refer to Replacing the heat sink Step 13 Remove the CPU Refer to Replacing the CPU Step 14 Remove the rear I O module Refer to Replacing the rear I O module Step 15 Remove the TV scalar board Refer ...

Страница 63: ...the front bezel d Connect the converter cable to the LED panel e Reconnect the touch cable to the touch control board f Secure the new LED panel to the chassis with 4 screws g Secure the chassis to the front bezel with the 9 screws h Reinstall the motherboard camera TV Tuner card Wi Fi card TV scalar board rear I O module CPU heat sink battery system fans and the memory modules i To get the best d...

Страница 64: ...e EMI cover Refer to Removing the EMI cover Step 10 Remove the system fans Refer to Replacing the system fans Step 11 Remove the battery Refer to Replacing the battery Step 12 Remove the heat sink Refer to Replacing the heat sink Step 13 Remove the CPU Refer to Replacing the CPU Step 14 Remove the rear I O module Refer to Replacing the rear I O module Step 15 Remove the TV scalar board Refer to Re...

Страница 65: ...4 screws h Secure the chassis to the front bezel with the 9 screws i Reinstall the motherboard camera TV Tuner card Wi Fi card TV scalar board rear I O module CPU heat sink battery system fans and the memory modules Step 29 Reattach the EMI cover middle cover optical drive computer stand and the rear cover FRU lists This chapter lists the information on the field replaceable units FRUs Attention B...

Страница 66: ...5 3550 3 3 1600 6 1155 77 E1 CPU 1100337 N I I5 3350P 3 1 1600 6 1155 69 E1 CPU 1100577 N I i5 3470 3 2G 1600 6 1155 77 CPU 1100412 N I I5 3450 3 1 1600 6 1155 77 E1 CPU 1100338 N I I5 3330 3 0 1600 6 1155 77 E1 CPU 1100393 N I i5 3550S 3G 1600 6 1155 65 CPU 1100417 N I i5 3470S 2 9G 1600 6 1155 65 CPU 1100413 N 12 60 IdeaCentre B540 B540PHardware Maintenance Manual ...

Страница 67: ...05 N I IPP G850 2 9 1333 3 1155 65 Q0 CPU 1007498 N I G645 2 9 1066 3 1155 65 Q0 CPU 1100578 N I G640 2 8 3 1066 1155 65 Q0 CPU 1100474 N I G630 2 7 1066 3 1155 65 Q0 CPU 1100104 N Chipset Intel H61 chipset 1007535 N HWTV yuan HWTV ATV for China 11200700 N yuan HWTV ATV for India 11200908 N RAM M471B5773DH0 CK0 1100226 1 HMT325S6CFR8C PB 1100227 1 MT8KTF25664HZ 1G6M1 1100228 1 Elp_R J2108BDSE GN F...

Страница 68: ...6200247 1 Seagate Pharaoh 6G ST31000524AS 16200065 1 SGT Grenada ST1000DM003 1TB HDD LH 16200182 1 WD XL500SM 6G WD10EALX 089BA1 16200032 1 Hitachi Mariner HDS723020BLA642 16005286 1 13 SGT Grenada ST2000DM001 2TB HDD LH 16200184 1 SSD MZMPA064HMDR 000L1 16005084 N Samsung PM830 64G mSATA SSDMZMPC064HBDR 000L1 16200109 N ODD SN 208AB 25201108 1 AD 7740H 25201106 1 DS 8A8SH 25201487 1 PLDS DS 6E2SH...

Страница 69: ... 32 ES5 0 200W PSU 36002046 N 11 FSP FSP200 20SI ES5 0 200W PSU 36200225 N WLAN CBT AR9485 11n SB HMC Wifi card wow1 11200354 N 16 LTN RTL8188CE 11n SB HMC Wifi card wow1 11200352 N TV Turner MC182A Analog mini 11012280 N AverMedia H339A5 DVB T MINI TV CAR 11200290 N AverMedia H339A6 ATSC MINI TV CAR 11200291 N H339 ISDB T Mini 11012854 N M270B Mini R 11012147 N A360 ISDB T MINI CARD B casAvermedi...

Страница 70: ...Tuner Board for DVB_T ATV Europe 90000251 N B540 HWTV Tuner Board for ATSC USA 90000252 N 15 B540 HWTV Tuner Board for ATV China 90000253 N Heat Sink B540 COOLERMASTER DIS Heat Sink 90200876 N B540 TAISOL DIS Heat Sink 90200877 N B540 COOLERMASTER UMA Heat Sink 90200878 N 19 B540 TAISOL UMA Heat Sink 90200879 N Other Boards B540 Scalar Board for DVB_T ATV Europ 90000254 N 15 B540 Scalar Board for ...

Страница 71: ...B540 LCD Module For Sumsang W Touch 90400023 N B540 LCD Module For CMI W Touch 90400024 N B540 LCD Module For LG W O Touch 90400025 N B540 LCD Module For LG 3D W O Touch 90400026 N B540 LCD Module For Sumsang W O Touch 90400027 N 7 B540 LCD Module For CMI W O Touch 90400028 N Fan B540 FAN 3700RPM HEC Fan 90200910 N 21 B540 FAN 3600RPM HEC Fan 90200911 N Others B540 Middle cover w o HWTV 90200891 N...

Страница 72: ...4 N B540Rear IO Board W 2TV_HDMIIN 90200905 N B540Rear IO Board W HDMIOUT 90200906 N B540Rear IO Board W HDMIOIN_HDMIOUT 90200907 N 10 B540 Rear I O Bracket 90200908 N B540 ODD Supporting Bracket 90200909 N B540 FAN Bracket 90200912 N B540 AC bracket 90200914 N B540 ODD housing 90200915 N B540 MainFrame Bracket inside 90200924 N B540 Rear cover right 90200933 N 1 B540 Rear cover left 90200934 N 24...

Страница 73: ...IOS As this computer has an ACPI BIOS system the operating system is allowed to control the power management features of the computer and the settings for Advanced Power Management APM BIOS mode is ignored Not all operating systems support ACPI BIOS mode Automatic Power On features The Automatic Power On features within the Power Management menu allow you to enable and disable features that turn o...

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