Dell 4600 manuale d’uso

Dell™Dimension™4600SeriesServiceManual Before You Begin Removing the Computer Cover Technical Overview Technical Specifications Advanced Troubleshooting System Setup Removing and Installing Parts Replacing the Computer Cover  Notes, Notices, and Cautions  Abbreviations and Acronyms For a complete list of abbreviations and a[...]

Back to Contents Page  Advanced Troubleshooting Dell™Dimension™4600SeriesServiceManual  Diagnostic Lights  Beep Codes  System Messages  Diagnostic Lights  To help you troubleshoot a problem, your computer is equipped with four lights on the back panel labeled "A," "B," "C,"[...]

 Beep Codes  Your computer might emit a series of beeps during start - up if the monitor cannot display errors or problems. This series of beeps, called a beep code, identifies a problem. One possible beep code (code 1 - 3- 1) consists of one beep, a burst of three beeps, and then one beep. This beep code tells you that the computer encounter[...]

 System Messages    3-4-1  Screen initialization failure  3-4-2  Screen retrace failure  3-4-3  Search for video ROM failure  4-2-1  No time tick  4-2-2  Shutdown failure  4-2-3  Gate A20 failure  4-2-4  Unexpected interrupt in protected mode  4-3-3  Timer - chip counter 2 failure  4-3-4 ?[...]

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Back to Contents Page  Before You Begin Dell™Dimension™4600SeriesServiceManual  Getting Started  Recommended Tools  Shutting Down Your Computer  Getting Started  This section provides procedures for removing and installing the components in your computer. Unless otherwise noted, each procedure assumes t[...]

5.  Remove the computer cover .   Back to Contents Page  CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover. NOTICE: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the compute[...]

Back to Contents Page  Replacing the Computer Cover Dell™Dimension™4600SeriesServiceManual 1.  Ensure that all cables are connected, and fold cables out of the way. 2.  Ensure that no tools or extra parts are left inside the computer. 3.  Place the cover on the computer. 4.  Slide the cover towards the front of the[...]

Back to Contents Page  Removing the Computer Cover Dell™Dimension™4600SeriesServiceManual   1.  Follow the procedures in " Before You Begin ." 2.  Lay your computer on its side with the computer cover facing up. 3.  If your computer cover has a cover latch, slide and hold the cover latch. 4.  Grip t[...]

Back to Contents Page  Removing and Installing Parts Dell™Dimension™4600SeriesServiceManual  PCI Cards   1.  Follow the procedures in " Before You Begin ." 2.  Lay the computer on its side so that the system board is on the bottom of the inside of the computer. 3.  Unscrew and remove the filler brac[...]

  5.  Secure the filler bracket onto the end of the card with the screw you removed in step3 . 6.  Connect any cables that should be attached to the card.  See the documentation for the card for information about the card's cable connections.  7.  Replace the computer cover .  8.  Connect your computer and devices[...]

 Installing an AGP Card 1.  To add or replace the card, press the card lever toward the PCI connector and gently press the card into the AGP connector until it clicks into place.  2.  Release the card lever, ensuring that the tab fits into the notch on the front end of the card. 3.  Secure the card with the securing screw.  4. [...]

 DDR Memory Overview  DDR memory modules should be installed in pairs of matched memory size . This means that if you purchased your computer with 128 MB of memory installed and you want to add another 128 MB of memory, you should install it in the appropriate connector. If the DDR memory modules are not installed in matched pairs, the comput[...]

If the module is difficult to remove, gently ease the module back and forth to remove it from the connector. 4.  To insert a module, press out the securing clip at each end of the memory module connector.   5.  Align the notch on the bottom of the module with the crossbar in the connector.   6.  Insert the module straight down [...]

Removing the Front Panel   1.  Follow the procedures in " Before You Begin ." 2.  Release and remove the front panel: a.  Push the release lever to release the top tab. b.  Reach inside the computer and push the bottom tab towards you to release it (the middle tab releases automatically). c.  Rotate the front panel to[...]

 Removing the Front - Panel Insert   1.  Follow the procedures in " Before You Begin ." 2.  Remove the front panel . 3.  Pull the two front - panel tabs towards you, and then push out the front - panel insert.   Drives   Replacing a Hard Drive   CAUTION: Before you begin any of the procedures in this se[...]

  1.  Follow the procedures in " Before You Begin ." 2.  Remove the hard drive: a.  Disconnect the power and hard - drive cables from the drive. b.  Remove the two bracket - securing screws, and then remove the drive bracket from the computer. c.  Remove the three hard drive - securing screws, and then remove the hard[...]

 6.  Connect the power and data cables to the back of the replacement drive. 7.  Replace the computer cover .  8.  Connect your computer and devices to electrical outlets, and turn them on. 9.  See the documentation that came with the drive for instructions on installing any software required for drive operation.  Adding or Rep[...]

  5.  Unpack the additional hard drive. 6.  Check the jumper setting on the back of the second drive.  Ensure that the jumper setting on the new device is set for "cable select" (see the documentation that came with the drive for information). 7.  Install the additional hard drive: a.  Insert hard - drive securing scr[...]

9.  Connect the power and data cables to the back of the drives. 10.  Replace the computer cover .  11.  Connect your computer and devices to electrical outlets, and turn them on.  See the documentation that came with the drive for instructions on installing any software required for drive operation.  Adding a Floppy Drive  [...]

forward into position.  7.  Secure the floppy drive bracket with the top bracket screw that came with your drive. 8.  Reattach the front panel to the side hinges, and then rotate it until it snaps onto the front of the computer.  9.  Check all cable connections, and fold cables out of the way to provide airflow for the fan and coolin[...]

 2.  Release and remove the front panel . 3.  Pull the two front - panel tabs towards you, and then push out the front - panel insert.  4.  Ensure that the jumper setting on the new drive is set for "cable select" (see the documentation that came with the drive for information). 5.  Remove two extra alignment screws, sho[...]

9.  Connect the power cable to the system board. 10.  Locate the data cable from the CD or DVD drive in the upper drive bay and connect its middle data connector to the new drive. 11.  Check all cable connections, and then fold the cables out of the way to provide airflow for the fan and cooling vents. 12.  Reattach the front panel to t[...]

 5.  Remove the microprocessor heat sink: a.  Twist the heat sink from side to side to break the seal. a.  Remove the retention module clip by pressing in on the tab and lifting the retention module clip up. b.  Pull the release tab out until the heat sink is released. c.  Lift the heat sink away from the microprocessor.   ?[...]

 Installing the Microprocessor   1.  Unpack the new microprocessor.  2.  If the release lever on the socket is not fully extended, move it to that position. 3.  Align the pin - 1 corners of the microprocessor and socket.   4.  Set the microprocessor lightly in the socket and ensure that all pins are headed into the cor[...]

b.  Lower the heat sink until it fits securely in the module. c.  When the heat sink is secured, pivot the retention module clip down until the tab snaps into place to secure the heat sink.  7.  Lower the airflow shroud over the heat sink. 8.  Reconnect the cooling fan power cable to the fan connector (J1F1) on the system board . 9. [...]

6.  Remove the fan assembly from the computer.  Replacing the Fan Assembly 1.  Align the fan assembly tabs with the holes in the back of the computer. 2.  Slide the fan assembly away from the fan release lever until it clicks in place. 3.  Reconnect the DC power cables to the drives and system board. 4.  Replace the computer cover[...]

9.  Lift the system board out from the computer. 10.  Place the system board that you just removed next to the replacement system board.  Visually compare the replacement system board to the existing system board to ensure that you have the correct part.  Installing the System Board 1.  Transfer components from the existing system bo[...]

 1.  Follow the procedures in " Before You Begin ." 2.  Remove the fan assembly . 3.  Disconnect the AC power cable from the AC power connector on the back of the power supply. 4.  Unplug the DC power cables from the drives and system board. 5.  Remove the four screws that secure the power supply to the back of the compu[...]

 If you have to repeatedly reset time and date information after turning on the computer, replace the battery.   Replacing the Battery 1.  Record all the screens in system setup so that you can restore the correct settings when you perform step 8 . 2.  Follow the procedures in " Before You Begin ." 3.  Locate the battery[...]

Back to Contents Page  Technical Specifications Dell™Dimension™4600SeriesServiceManual        Microprocessor  System Information  Expansion Bus  Memory  Drives  Ports and Connectors  Video  Audio  Network  Controls and Lights  Power  Phys[...]

       Ports and Connectors  Externally accessible:  Serial  9- pin connector; 16550C - compatible  Parallel  25 - hole connector (bidirectional)  Video  15 - hole connector  Keyboard  6- pin mini - DIN connector  Mouse  6- pin mini - DIN connector  USB  two front - panel and six back - pa[...]

Back to Contents Page  Environmental  Temperature:  Operating  10 º to 35 º C (50 º to 95 º F)  NOTE: At35°C(95°F),the maximum operating altitude is 914 m (3000 ft).  Storage – 40 º to 65 º C ( – 40 º to 149 º F)  Relative humidity  20% to 80% (noncondensing)  Maximum vibration:  Operating [...]

Back to Contents Page  System Setup Dell™Dimension™4600SeriesServiceManual  Overview  Entering System Setup  Clearing Forgotten Passwords  Overview  Use system setup as follows: l  To change the system configuration information after you add, change, or remove any hardware in your computer l  To s[...]

 System Setup Options       <Page Down> or <Page Up>  Scrolls through help information.  <Enter>  Enters the selected field's pop - up options menu.  spacebar, <=> or < - >  In the selected field's pop - up options menu, cycles through the options in a field.  <Alt>[...]

    System Memory Channel Mode  Displays the mode of your system memory.  AGP Aperture  Displays the amount of aperture memory. The default setting is 128 MB . CPU Information  CPU Speed  The processor speed at which the computer boots.  Press the left - or right - arrow key to toggle the CPU Speed option between the r[...]

          Boot Sequence  This feature allows you to change the boot sequence for devices.   Suspend Mode  The options are S1 or S3 .  AC Power Recovery  Determines what happens when AC power is restored to the computer. l  Off (default) — The computer remains off when AC power is restored. l  [...]

 Option Settings l  Normal — ( Available only for the current boot process) The computer attempts to boot from the sequence of devices specified in system setup. l  Diskette Drive — The computer attempts to boot from the floppy drive. If the floppy disk in the drive is not bootable, or if no floppy disk is in the drive, the computer ge[...]

6.  Turn off the monitor and disconnect it from the electrical outlet. 7.  Disconnect the computer power cable from the electrical outlet, and press the power button to ground the system board. 8.  Remove the computer cover . 9.  Locate the 3 - pin password jumper (CLR PASSWRD) on the system board and attach the jumper to pins 1 and 2 t[...]

Back to Contents Page  Technical Overview Dell™Dimension™4600SeriesServiceManual  Inside View of Your Computer  System Board Components  Power Supply DC Connector Pin Assignments  Inside View of Your Computer     System Board Components  CAUTION: Before you begin any of the procedures in thi[...]

 Power Supply DC Connector Pin Assignments   The 250 - W power supply can operate from an AC power source of 115 VAC at 60 Hz or 230 VAC at 50 Hz. The power supply provides the DC operating voltages and currents listed in the following table.  Output Voltage Minimum Current (A) Maximum Current (A)1[...]

 DC Power Connector P1    DC Power Connector P2    +12 VDC  0.0  14.0 3  +5 VDC  1.0  22.0 3  +3.3 VDC  0.1/0.0 2  18.0 3 – 12 VDC  0.0  1.0  +5 VFP  0.0  2.0  When the current load is outside of the ranges listed, but within each specified output current range, the +5 - V, +12 - V[...]

 DC Power Connectors P3, P5, P6, P8 and P9    DC Power Connector P4    DC Power Connector P7   Back to Contents Page   3  +12 VDC  Yellow  4  +12 VDC  Yellow Pin Number Signal Name 18 - AWG Wire  1  +12 VDC  Yellow  2  COM  Black  3  COM  Black  4  +5 VDC  Red Pin N[...]

Back to Contents Page Dell™Dimension™4600SeriesServiceManual For a complete list of abbreviations and acronyms, see the Tell Me How help file. IfyoupurchasedaDell™nSeriescomputer,anyreferencesinthisdocumenttoMicrosoft ® Windows ® operating systems are not applicable. Information[...]