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Dell 4100 PS/2 Connector, GND, GND, GND, GND, I/O, GND, N/A, N/A, I/O, DCD0, TXD0#, SAD31, RXD0#, +5VSUS, +5VALW, SWGATE#, SRDATA#, SINDEX#, LOW_PWR, KBD_DATA, EXK_MSPWR

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Ports and Connector Pin-Outs: Dell Inspiron 4100

44	DOCK_+DC_IN	94	TXD0#	144	SWGATE#	194	SAD31

45	DOCK_+DC_IN	95	RXD0#	145	SRDATA#	195	GND

46	DOCK_+DC_IN	96	DCD0	146	SINDEX#	196	NC

47	DOCK_+DC_IN	97	NC	147	GND	197	NC

48	DOCK_+DC_IN	98	+5VSUS	148	NC	198	NC

49	GND	99	NC	149	+5VALW	199	NC

50	LOW_PWR	100	NC	150	NC	200	GND

PS/2 Connector

Use the 6-hole, miniature DIN PS/2 connector to attach PS/2-compatible devices such as a mouse, keyboard, or external numeric keypad. If you reconfigure your hardware, you may need pin number and signal information for the PS/2 connector.

Pin	Signal	I/O	Definition

1	EXK_MSDATA	I/O	External keyboard/keypad/mouse data

2	KBD_DATA	I	Keyboard data

3	GND	N/A	Signal ground

4	EXK_MSPWR	N/A	External keyboard/keypad/mouse supply voltage

5	EXK_MSCLK	I/O	External keyboard/keypad/mouse clock

file:///I/SERVICE%20MANUALS/DELL%20MANUALS/LAP...20ok/Inspiron/4100/4100_SERVICE_MAN/pinouts.htm (6 of 9)6/21/2004 1:02:23 AM

Contents

Page Dell™ Inspiron™ Hints, Notices, and Cautions Abbreviations and Acronyms December 2001 Rev. A01 A Tour of Your Computer Front View display latch display latch button display battery bay keyboard status lights Display Latch Display Keyboard Status Lights Microphone Device Status Lights Touch Pad Module Bay Display Latch Button Battery Bay Touch Pad/Track Stick Buttons Left Side View PC Card Slot Hard Drive Security Cable Slot Speakers Right Side View Infrared Sensor Audio Connectors Modem Connector Network Connector S-Video TV-OutConnector Air Vent Back View Serial Connector Parallel Connector Docking Connector PS/2 Connector USB Connector Video Monitor Connector AC Adapter Connector Bottom View Module Release Latch Docking Device Latch Memory Module and Mini PCI Card Battery Release Latch Conserving Power Conservation Tips Power Conservation Modes Standby Mode Hibernate Mode Power Options Properties Power Schemes Tab Alarms Tab Power Meter Tab Advanced Tab Hibernate Tab Intel® SpeedStep™ Tab ●Disable Intel SpeedStep technology control ●Remove flag icon ●Disable audio notification when performance changes Apply Intel SpeedStep technology System Specifications PC Card CardBus controller Texas Instruments PCI PC Card connector two (supports two Type I or Type Infrared sensor compatible with IrDA Standard (4 MB) and IrDA Standard (Slow IR) Audio controller AC97 Stereo conversion 16-bit (analog-to-digitaland digital-to-analog) Keyboard Number of keys 87 (U.S. and Canada); (Europe); 91 (Japan) Key travel 139.0 mm (5.47 inches) Weight 0.39 kg (0.87 lb) (8 cell) 0.26 kg (0.57 lb) (4 cell) Voltage Physical 36.8 mm (1.4 inches) 319.5 mm (12.5 inches) 253.6 mm (9.9 inches) Weight (with 8-cellbattery) Page Solving Problems Accessing Help Files Power Problems Error Messages Video and Display Problems If the display is blank If the display is difficult to read If only part of the display is readable Sound and Speaker Problems If you have a problem with integrated speakers If you have a problem with external speakers Printer Problems Modem and Internet Connection Problems Turn off call waiting (catch-phone)— 2.Double-clickthe Modems icon 3.In the Modems Properties window, click Dialing Properties In the Scanner Problems Touch Pad or Mouse Problems External Keyboard Problems Unexpected Characters Drive Problems If you cannot save a file to a floppy drive If you cannot play a CD, CD-RW,or DVD If you cannot eject the CD, CD-RW,or DVD drive tray If you hear an unfamiliar scraping or grinding sound If the CD-RWdrive stops writing If you have problems with a hard drive Network Problems General Program Problems A program crashes A program stops responding A solid blue screen appears E-MailProblems If Your Computer Gets Wet No operating system found If You Drop or Damage Your Computer Resolving Other Technical Problems Reinstalling Drivers and Utilities Using the Windows XP Device Driver Rollback Manually Reinstalling Drivers Reinstalling the Modem or Network Adapter Driver (Windows XP) Reinstalling the Modem or Network Adapter Driver (Windows 2000) Reinstalling the Modem or Network Adapter Driver (Windows Me) Resolving Software and Hardware Incompatibilities Windows XP hardware troubleshooter Windows Me Windows Using System Restore Windows XP Windows Me Creating a Restore Point Using the System Restore Wizard Manually Creating a Restore Point Restoring the Computer to an Earlier Operating State Undoing the Last System Restore Reinstalling Windows® Reinstalling Windows XP Press any key to boot from CD Reinstalling Windows Me e.Press to move to the Boot menu In the system setup program g.Press to save your changes and exit the system setup program h.Press any key to boot the computer from the CD 2.At the Welcome window, click OK Reinstalling Windows Enabling Hibernate Support Using the Dell™ Diagnostics When to Use the Dell Diagnostics Features of the Dell Diagnostics Starting the Dell Diagnostics Diagnostics Menu Advanced Testing Advanced Testing Main Screen Advanced Testing Help Menu Advanced Testing Help Categories Drive A The diskette disk drive device reads and writes data to and from diskettes. Diskettes are flexible recording media, sometimes contained in hard shells. Diskette recording capacities are small and access Confirming the System Configuration Information System Setup Program Overview Viewing the System Setup Screens System Setup Screens Commonly Used Options Changing the Boot Sequence Changing Printer Modes Changing COM Ports Enabling the Infrared Sensor 7.At the end of the install process, click Yes to restart the computer When your computer detects the presence of another activated infrared device The Infrared Monitor screen appears 9.Click the Options tab and then click Enable Infrared Communication tab and then click Ports and Connector Pin-Outs Port Locations Serial Connector Parallel Connector (one byte) are sent simultaneously over eight separate lines STB# I/O Strobe Printer data bit Docking Connector DOCK_LINE CLK_DDC2 SAD8 DOCK_CDROM DOCK_SCLK PS/2 Connector USB Connector Video Connector S-Video TV-OutConnector S-Video Composite Video DCMPS-L DLUMA-L DCRMA-L Removing and Replacing Parts Preparing to Work Inside the Computer Recommended Tools Screw Identification Hard Drive Door: Keyboard to Bottom Case: (1 each) (5 each) Display Assembly to Top Cover: Display-FeedFlex Cable: (4 each) Palm Rest to Hybrid Cooling Fan: Bottom Case: System Components Exploded View top cover display assembly bottom case assembly center control cover memory module cover thermal cooling assembly Palm Rest Inserts Display Cover Hard Drive Assembly Removing the Hard Drive Replacing the Hard Drive Adding a Daughter Card Modem Module Bay Devices Memory Module Removing the Memory Module Cover Removing the Memory Modules Replacing the Memory Modules Mini PCI Card Assembly Removing the Mini PCI Card Replacing the Mini PCI Card Keyboard Assembly Removing the Keyboard 4.Remove the center control cover: Use a small b.Lift the center control cover up and away from the bottom case To release the keyboard from the palm rest, use a small 1keyboard 2track stick 3scalloped edge of blank key 4palm rest 7.Rotate the keyboard forward toward the front of the computer Replacing the Keyboard Display Assembly M2 x 3-mmscrews (4) top cover M2.5 x 5-mmscrews (5) bottom case EMI shield bracket 2.Remove the center control cover 3.Remove the keyboard 4.Close the display From the back of the computer, remove the five M2.5 Remove the two M2 1 M2 x 3-mmscrews (2) Pull up on the 10.Lift the display assembly up and out of the bottom case Removing the 14.1-InchDisplay Bezel Removing the 14.1-InchDisplay Panel 3.Remove the display bezel 4.Remove the hinge covers Remove the M2 7.Lift from the top and rotate the display panel out of the top cover Disconnect the bottom Display Latch Removing the Display Latch Replacing the Display Latch Hinge Covers Removing the Hinge Covers Replacing the Hinge Covers Page Palm Rest 1M2.5 x 12-mmscrews (3) 2M2 x 3-mmscrews (2) 3hard-drivebay door Turn the computer over, and remove the three M2 M2 x 3-mmscrews (3) palm-restflex cable back center of the palm rest touch pad connector Microprocessor Thermal Cooling Assembly Replacing the Microprocessor Thermal Cooling Assembly Microprocessor Module Removing the Microprocessor Module Replacing the Microprocessor Module Flashing the BIOS System hardware failures: #0010 Strike the F1 key to shutdown Failure override Processor update failure. Reload current BIOS Reserve Battery Removing the Reserve Battery Replacing the Reserve Battery System Speaker Assembly Removing the Speaker Assemblies 1right speaker 2palm-restscrew post 3bottom case holders (2) 4left speaker Page Replacing the Speaker Assemblies System Board Assembly Removing the System Board 1fan guard 2M2.5 x 5-mmscrews (9) Turn the computer over and remove the M2.5 Replacing the System Board Module Latch Assemblies Removing the Battery and Module Bay Latches does bumps (2 per latch) latch buttons (2) slider snap tabs (2 per latch button) Replacing the Battery and Module Bay Latches