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Dell XPS M140 Service Manual
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Dell XPS M140 Service Manual

Dell XPS M140 Service Manual

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Download this manual See also: Owner's Manual
Dell™ XPS M140

Service Manual

Notes, Notices, and Cautions
NOTE:
A NOTE indicates important information that helps you make better use of your computer.
NOTICE:
A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the
problem.
CAUTION:
A CAUTION indicates a potential for property damage, personal injury, or death.

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Summary of Contents for Dell XPS M140

  • Page 1: Service Manual

    Dell™ XPS M140 Service Manual Notes, Notices, and Cautions NOTE: A NOTE indicates important information that helps you make better use of your computer. NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
  • Page 2 Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. Trademarks used in this text: Dell, the DELL logo, and Inspiron are trademarks of Dell Inc.; Intel is a registered trademark of Intel Corporation; Microsoft and Windows are registered trademarks of Microsoft Corporation; Bluetooth is a trademark owned by Bluetooth SIG, Inc. and is used by Dell Inc.

  • Page 3: Table Of Contents

    ......Returning a Hard Drive to Dell ..... . .
  • Page 4 Modem ........Removing the Modem ......Replacing the Modem .
  • Page 5 Display Latch ....... Removing the Display Latch ..... . Replacing the Display Latch .
  • Page 6 18 BIOS Updates Flashing the BIOS ......19 Pin Assignments for I/O Connectors USB Connector .

  • Page 7: Before You Begin

    NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty. NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.

  • Page 8: Recommended Tools

    Recommended Tools The procedures in this document will require one or more of the following tools: • Small flat-blade screwdriver • Phillips screwdriver • Small plastic scribe • Flash BIOS update (see the Dell support website at support.dell.com) Before You Begin...

  • Page 9: Computer Orientation

    Computer Orientation front left back right Screw Identification The following chart provides the number of screws used to secure the various system components and their corresponding sizes. When removing and replacing components, print the screw identification chart as a placemat to lay out and keep track of the screws. Before You Begin...
  • Page 10 Optical Drive: Modem: Bluetooth Module: (1 each – optional) (1 each) (1 each) Hinge Cover: Display Assembly: Display Bezel (screw): (2 each) (4 each) (6 each) Display Bezel (rubber bumper): Display Panel: Palm Rest (top): (6 each) (6 each) (4 each) Before You Begin...
  • Page 11 Palm Rest (bottom): Fan: Speakers: (11 each) (3 each) (3 total) System Board (top): System Board (bottom): (1 each) (2 each) Before You Begin...
  • Page 12 Before You Begin...

  • Page 13: System Components

    System Components NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty. System Components...

  • Page 14: Exploded View Of The Computer

    Exploded View of the Computer System Components...
  • Page 15 display assembly optical drive microprocessor thermal- cooling assembly hinge cover main battery microprocessor keyboard computer base palm rest (with touch pad) hard drive system board speakers System Components...
  • Page 16 System Components...

  • Page 17: Internal Card With Bluetooth® Wireless Technology

    Internal Card With Bluetooth® Wireless Technology NOTE: at the same time that If you ordered the optional internal card with Bluetooth wireless technology you ordered your computer, the card is already installed. Removing the Bluetooth Module CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically...
  • Page 18 modem/Mini PCI/wireless captive screws (2) cover 3 Remove the M2 x 3-mm screw securing the Bluetooth module and set it aside. Internal Card With Bluetooth® Wireless Technology...
  • Page 19 Bluetooth module M2 x 3-mm screw 4 Lift the Bluetooth module from its compartment. 5 Grasp the card and gently pull it apart from the connector cable. NOTE: Do not disconnect the Bluetooth connector cable from the system board. Internal Card With Bluetooth® Wireless Technology...

  • Page 20: Replacing The Bluetooth Module

    Bluetooth module Bluetooth module connector Bluetooth connector cable Replacing the Bluetooth Module CAUTION: Product Before you perform any of the procedures in this section, follow the safety instructions in the Information Guide NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.

  • Page 21: Hard Drive

    Dell. NOTE: If you are installing a hard drive obtained from a source other than Dell, you may need to install an operating system, drivers, and utilities on the new drive. 1 Follow the instructions in "Preparing to Work Inside the Computer" on page 7.
  • Page 22 hard drive cover captive screws (2) NOTICE: When the hard drive is not in the computer, store it in protective, antistatic packaging. See "Protecting Against Electrostatic Discharge" in the Product Information Guide. 3 Use the pull-tab to slide the hard drive toward the screw holes, then lift the drive straight up to remove it from the computer.

  • Page 23: Replacing The Hard Drive

    6 Install the drivers and utilities for your computer, if necessary (see "Reinstalling Drivers and Utilities" in your Owner’s Manual). Returning a Hard Drive to Dell Return your hard drive to Dell in the replacement drive’s foam packaging. Otherwise, the hard drive may be damaged in transit. NOTE: The hard drive should be inserted in the replacement drive’s antistatic bag before being placed in the foam...
  • Page 24 hard drive (in antistatic bag) foam packaging Hard Drive...

  • Page 25: Optical Drive

    You do not need to install the device security screw unless you want to prevent the optical drive from being easily removed. Your Dell™ computer ships with a CD/DVD drive installed in the optical drive bay along with an M2.5 x 8-mm device security screw. If the security screw is not already installed, it will be packaged separately.
  • Page 26 M2.5 x 8-mm indention device security screw (optional) 3 Insert the screwdriver into the indention and push the notch on the metal tab to release the drive from the bay. Optical Drive...

  • Page 27: Replacing The Optical Drive

    metal tab optical drive 4 Pull the drive out of the bay. Replacing the Optical Drive CAUTION: Product Before you perform any of the procedures in this section, follow the safety instructions in the Information Guide 1 Follow the instructions in "Preparing to Work Inside the Computer" on page 7. 2 Follow the instructions in "Removing the Optical Drive"...
  • Page 28 Optical Drive...

  • Page 29: Memory Module And Modem

    Memory Module and Modem Your Dell computer comes equipped with two memory slots/connectors labeled DIMM A and DIMM B. DIMM A (located under the keyboard) holds the primary memory module as configured from the factory. DIMM B (located on the bottom of the computer) holds any additional memory you may have ordered.
  • Page 30 memory module cover captive screws (2) NOTICE: To prevent damage to the memory module connector, do not use tools of any kind to spread the metal clips that secure the module. 3 Use your fingertips to carefully spread apart the metal clips securing each end of the memory module until the module pops up.
  • Page 31 memory module metal retention clips (2) 4 Remove the module from the connector at a 45-degree angle. Memory Module and Modem...

  • Page 32: Memory Module Dimm A

    Memory Module DIMM A 1 Follow the instructions in "Preparing to Work Inside the Computer" on page 7. 2 Remove the hinge cover (see "Removing the Hinge Cover" on page 41). 3 Remove the keyboard (see "Removing the Keyboard" on page 43). 4 Loosen the two captive screws securing the memory module cover, then remove the cover and set it aside.
  • Page 33 memory module metal retention clips (2) 6 Remove the memory module from the connector at a 45-degree angle. Memory Module and Modem...

  • Page 34: Replacing A Memory Module

    Replacing a Memory Module CAUTION: Product Before you perform any of the procedures in this section, follow the safety instructions in the Information Guide NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.

  • Page 35: Modem

    Under Tools, click My Computer Information, then click Find information about the hardware installed on this computer. • Access the System Setup Program at startup by pressing <F2> immediately when the DELL logo ® ®...
  • Page 36 modem/Mini PCI/wireless captive screws (2) cover 3 Disconnect the antenna cables from the Mini PCI card, if applicable. NOTE: The Mini PCI card is optional and may not be installed if one was not ordered with the computer Memory Module and Modem...
  • Page 37 Mini PCI antenna cables 4 Remove the M2 x 3-mm screw securing the modem to the system board and set it aside. 5 Pull straight up on the attached pull-tab to disconnect the modem from the connector on the system board.

  • Page 38: Replacing The Modem

    modem M2 x 3-mm screw pull tab modem cable system board connector Replacing the Modem CAUTION: Product Before you perform any of the procedures in this section, follow the safety instructions in the Information Guide NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.
  • Page 39 6 Connect the Mini PCI antenna cables, if applicable. 7 Replace the modem/Mini PCI/wireless cover and tighten the screws. Memory Module and Modem...
  • Page 40 Memory Module and Modem...

  • Page 41: Hinge Cover

    Hinge Cover Removing the Hinge Cover CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.

  • Page 42: Replacing The Hinge Cover

    hinge cover indent Replacing the Hinge Cover CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.

  • Page 43: Keyboard

    Keyboard Removing the Keyboard CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.
  • Page 44 keyboard keyboard retention tabs palmrest 4 Lift the keyboard and hold it up and slightly forward to allow access to the keyboard connector. 5 Release the latch on the system board connector to disconnect the keyboard cable. Keyboard...

  • Page 45: Replacing The Keyboard

    keyboard keyboard connector tabs system board connector slots keyboard cable system board connector keyboard tabs (6) Replacing the Keyboard CAUTION: Product Before you perform any of the procedures in this section, follow the safety instructions in the Information Guide NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.
  • Page 46 4 Slide the six tabs along the front edge of the keyboard beneath the palm rest. NOTE: You may need to push the bottom of the keyboard down slightly to slide the keyboard tabs into place. 5 Gently press down on the left and right sides of the keyboard near the keyboard retention tabs until the keyboard snaps into place.

  • Page 47: Coin-Cell Battery

    Coin-Cell Battery Removing the Coin-Cell Battery CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.

  • Page 48: Replacing The Coin-Cell Battery

    coin-cell battery Replacing the Coin-Cell Battery CAUTION: Product Before you perform any of the procedures in this section, follow the safety instructions in the Information Guide NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.

  • Page 49: Wireless Mini Pci Card

    Wireless Mini PCI Card NOTE: Mini PCI at the same time that you ordered If you ordered the optional card your computer, the card is already installed. Removing the Mini PCI Card CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically...
  • Page 50 modem/Mini PCI/wireless captive screws (2) cover 3 Disconnect the antenna cables from the Mini PCI card. antenna cables NOTICE: To prevent damage to the Mini PCI card connector, do not use tools of any kind to spread the metal clips that secure the Mini PCI card.
  • Page 51 Mini PCI card metal retention clips (2) 5 Remove the Mini PCI card from the connector at a 45-degree angle. Wireless Mini PCI Card...

  • Page 52: Replacing The Mini Pci Card

    Replacing the Mini PCI Card CAUTION: Product Before you perform any of the procedures in this section, follow the safety instructions in the Information Guide NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.
  • Page 53 4 Connect the antenna cables to the Mini PCI card. Make certain that the cable connectors snap securely into place. antenna cables 5 Replace the modem/Mini PCI/wireless cover and tighten the screws. Wireless Mini PCI Card...
  • Page 54 Wireless Mini PCI Card...

  • Page 55: Display Assembly And Display Latch

    Display Assembly and Display Latch Display Assembly Removing the Display Assembly CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.

  • Page 56: Replacing The Display Assembly

    display assembly antenna cable retaining clips display cable M2.5 x 5-mm Mini PCI antenna cables antenna cable connectors screws (4) Replacing the Display Assembly CAUTION: Product Before you perform any of the procedures in this section, follow the safety instructions in the Information Guide NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically...

  • Page 57: Display Bezel

    To avoid damaging the bezel, carefully separate the bezel from the display assembly by starting along the bottom of the display (near the Dell logo) and working around the edge of the display towards the release latch. 7 Use your fingers to separate the bezel from the display assembly by lifting the inside edge of the bezel up and away from the center of the display assembly.

  • Page 58: Replacing The Display Bezel

    2 Follow the instructions in "Removing the Display Bezel" on page 57. 3 Starting near the hinges (near the Dell logo), use your fingers to snap the new bezel into place. 4 Replace the six M2.5 x 5-mm screws to secure the bezel.

  • Page 59: Display Panel

    7 Replace the keyboard (see "Replacing the Keyboard" on page 45). 8 Replace the hinge cover (see "Replacing the Hinge Cover" on page 42). Display Panel Removing the Display Panel CAUTION: Product Before you perform any of the procedures in this section, follow the safety instructions in the Information Guide NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically...
  • Page 60 M2 x 3-mm display panel screws (6) display cover 8 Press inward on the metal clamps on both sides of the top flex-cable connector and gently pull to disconnect the top flex-cable connector from the display locking connector. 9 Use the pull-tab to disconnect the bottom flex-cable connector from the inverter connector. Display Assembly and Display Latch...

  • Page 61: Replacing The Display Panel

    back of display panel metal clamps inverter connector top flex-cable connector bottom flex-cable connector Replacing the Display Panel CAUTION: Product Before you perform any of the procedures in this section, follow the safety instructions in the Information Guide NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.

  • Page 62: Display Latch

    9 Replace the keyboard (see "Replacing the Keyboard" on page 45). 10 Replace the hinge cover (see "Replacing the Hinge Cover" on page 42). Display Latch Removing the Display Latch CAUTION: Product Before you perform any of the procedures in this section, follow the safety instructions in the Information Guide NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically...

  • Page 63: Replacing The Display Latch

    Replacing the Display Latch CAUTION: Product Before you perform any of the procedures in this section, follow the safety instructions in the Information Guide NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.
  • Page 64 Display Assembly and Display Latch...

  • Page 65: Palm Rest

    Palm Rest Removing the Palm Rest CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.
  • Page 66 modem/Mini PCI/wireless captive screws (2) cover 8 Remove the eleven M2.5 x 8-mm screws securing the palm rest from the bottom of the computer. Palm Rest...
  • Page 67 M2.5 x 8-mm screws (11) 9 Turn the computer over and remove the four M2.5 x 5-mm screws securing the top of the palm rest. NOTICE: Release the locking tabs on both sides of the system board connector before attempting to remove the touch pad or LED cable.
  • Page 68 M2.5 x 5-mm screws (4) locking clips touch pad connector LED board connector palm rest 12 Moving from left to right, carefully lift the palm rest along the rear edge, near the hinge brackets, then rotate the palmrest forward to remove it from the computer. Palm Rest...

  • Page 69: Replacing The Palm Rest

    palmrest hinge brackets Replacing the Palm Rest CAUTION: Product Before you perform any of the procedures in this section, follow the safety instructions in the Information Guide NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.
  • Page 70 10 Replace the display assembly (see "Replacing the Display Assembly" on page 56). 11 Replace the keyboard (see "Replacing the Keyboard" on page 45). 12 Replace the hinge cover (see "Replacing the Hinge Cover" on page 42). 13 Replace the optical drive (see "Replacing the Optical Drive" on page 27). Palm Rest...

  • Page 71: Microprocessor Thermal-Cooling Assembly

    Microprocessor Thermal-Cooling Assembly Removing the Microprocessor Thermal-Cooling Assembly CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.

  • Page 72: Replacing The Microprocessor Thermal-Cooling Assembly

    microprocessor thermal- captive screws (4) cooling assembly Replacing the Microprocessor Thermal-Cooling Assembly CAUTION: Product Before you perform any of the procedures in this section, follow the safety instructions in the Information Guide NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.

  • Page 73: Fan

    Removing the Fan CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer. 1 Follow the instructions in "Preparing to Work Inside the Computer"...

  • Page 74: Replacing The Fan

    M2.5 x 5-mm screws (3) fan connector system board connector Replacing the Fan CAUTION: Product Before you perform any of the procedures in this section, follow the safety instructions in the Information Guide NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.

  • Page 75: Microprocessor Module

    Microprocessor Module Removing the Microprocessor Module CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.

  • Page 76: Replacing The Microprocessor Module

    3 Remove the microprocessor thermal-cooling assembly (see "Removing the Microprocessor Thermal- Cooling Assembly" on page 71). NOTICE: To avoid damaging the microprocessor, hold the screwdriver so that it is perpendicular to the microprocessor module when turning the cam screw. 4 To loosen the ZIF-socket cam lock, use a small, flat-blade screwdriver to rotate the ZIF-socket cam screw counterclockwise until it comes to the cam stop.
  • Page 77 NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer. 1 Follow the instructions in "Preparing to Work Inside the Computer" on page 7 NOTICE: Handle the microsprocessor module with care.
  • Page 78 Microprocessor Module...

  • Page 79: Speakers

    Speakers Removing the Speakers CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.

  • Page 80: Replacing The Speakers

    speakers (2) speaker cable guide post slots (4) M2.5 x 5-mm screws (3) speaker connector Replacing the Speakers CAUTION: Product Before you perform any of the procedures in this section, follow the safety instructions in the Information Guide NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.
  • Page 81 9 Replace the keyboard (see "Replacing the Keyboard" on page 45). 10 Replace the hinge cover (see "Replacing the Hinge Cover" on page 42). 11 Replace the optical drive (see "Replacing the Optical Drive" on page 27). Speakers...
  • Page 82 Speakers...

  • Page 83: System Board

    System Board Removing the System Board CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.
  • Page 84 M2 x 3-mm screws (2) 16 Turn the computer over so that the bottom is facing down and remove the M2.5 x 5-mm screw securing the system board. 17 Disconnect the fan cable from the system board. 18 Disconnect the speaker cable from the system board. 19 Disconnect the modem cable from the system board.
  • Page 85 M2.5 x 5-mm screw speaker connector modem connector system board fan connector 20 With the rear of the computer facing you, gently lift the system board assembly from the left side, then slide the system board assembly to the left and lift up on the right side to raise the assembly out of the computer.

  • Page 86: Replacing The System Board

    system board Replacing the System Board CAUTION: Product Before you perform any of the procedures in this section, follow the safety instructions in the Information Guide NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.

  • Page 87: Bios Updates

    BIOS Updates Flashing the BIOS NOTICE: Plug the AC adapter into a known-good power source to prevent a loss of power. Failure to do so may cause damage to the computer. 1 Ensure that the AC adapter is plugged in and that the main battery is properly installed. 2 Turn on the computer.
  • Page 88 BIOS Updates...

  • Page 89: Pin Assignments For I/O Connectors

    Pin Assignments for I/O Connectors USB Connector Signal USB5V+ USBP– USBP+ Video Connector Pin Assignments for I/O Connectors...

  • Page 90: S-Video Tv-Out Connector

    Signal Signal CRT_R CRT_G CRT_B MONITOR_DETECT– DDC_DATA CRT_HS CRT_VS DDC_CLK S-Video TV-Out Connector S-Video Signal DLUMA-L DCRMA-L Composite Video Signal DCMPS-L Pin Assignments for I/O Connectors...

  • Page 91: Ieee 1394 Connector

    IEEE 1394 Connector Signal TPB– TPB+ TPA– TPA+ Pin Assignments for I/O Connectors...
  • Page 92 Pin Assignments for I/O Connectors...

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