Dell 3000 manuale d’uso

Dell™Dimension™3000Systems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 [...]

Back to Contents Page  Advanced Troubleshooting Dell™Dimension™3000SystemsServiceManual  Power Lights  Network Lights  Diagnostic Lights  Beep Codes  System Messages  Power Lights The power button light located on the front of your computer illuminates and blinks or remains solid to indicate di[...]

 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 encountered [...]

If you hear one of the following beep codes, see "Contacting Dell" in your Owner's Manual for instructions on obtaining technical assistance.  System Messages Code Cause 1-3- 1 through 2 - 4-4 Memory not being properly identified or used 4-3-1 Memory failure above address 0FFFFh  Code  Cause 1-1-2 Microprocessor register fai[...]

Back to Contents Page  CMOS System Options Not Set CMOS Display Type Mismatch CMOS Memory Size Mismatch CMOS Time and Date Not Set Diskette Boot Failure Drive A or B is present but has failed the BIOS POST. Ensure that the drive is installed correctly in the computer and defined correctly in the system setup program . Check the interface cable a[...]

Back to Contents Page  Before You Begin Dell™Dimension™3000SystemsServiceManual  Getting Started  Recommended Tools  Turning Off Your Computer  Before Working Inside Your Computer  Getting Started This chapter provides procedures for removing and installing the components in your computer. Unless oth[...]

 2. Disconnect any telephone or telecommunication lines from the computer.  3. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.   4. Open the computer cover . Back to Contents Page  CAUTION: To guard against electrical shock, always unplug you[...]

Back to Contents Page  Replacing the Computer Cover Dell™Dimension™3000SystemsServiceManual   1. Ensure that all cables are connected, and fold cables out of the way. Gently pull the power cables toward you so that they do not get caught underneath the drives.  2. Ensure that no tools or extra parts are left inside th[...]

Back to Contents Page  Removing the Computer Cover Dell™Dimension™3000Systems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 the indents o[...]

Back to Contents Page  Removing and Installing Parts Dell™Dimension™3000SystemsServiceManual  Memory You can increase your computer memory by installing memory modules on the system board. For information on the type of memory supported by your computer, see Specifications .  DDR Memory Overview DDR memory modules should[...]

 2. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your computer, turn them off now.  3. Disconnect any telephone or telecommunication lines from the computer.  4. Disconnect your computer and all attached devices from their electrical o[...]

 12. Connect your computer and devices to electrical outlets, and then turn them on.  13. Click the Start button, right - click My Computer , and then click Properties .  14. Click the General tab.  15. To verify that the memory is installed correctly, check the amount of memory (RAM) listed.  Cards  Your computer provides three s[...]

Ensure that the card is fully seated and that its bracket is within the card slot.  4. Secure the card bracket with the screw you removed in step2 .  5. Connect any cables that should be attached to the card. For information about the card's cable connections, see the documentation for the card.  6. If you installed a sound card: a[...]

If you need a filler bracket, see "Contacting Dell" in your Owner's Manual for instructions on obtaining technical assistance.  6. Close the computer cover, reconnect the computer and devices to electrical outlets, and then turn them on.  7. Remove the card's driver from the operating system.  8. If you removed a sound [...]

1. Press in the two insert tabs.  2. Push out the front - panel insert.  Reattaching the Front Panel  1. Reattach the front panel to the side hinges.  2. Rotate the front panel until it snaps onto the front of the computer.  Drives Your computer supports a combination of these devices: l  Up to two hard drives l  One optional f[...]

Connecting Drive Cables When you install a drive, you connect two cables — a DC power cable and a data cable — to the back of the drive and to the system board. Some drives may also have an audio connector; one end of the audio cable will attach to the drive connector and the other will attach to the system board.  Drive Interface Connectors[...]

b.  Remove the bracket for the hard drive from the computer.  3. If you are replacing the hard drive, remove the drive from the bracket: a.  Remove the hard drive - securing screws. b.  Remove the hard drive from the bracket.  Installing a Hard Drive  1. Unpack the replacement hard drive, and prepare it for installation.  2. Ch[...]

8. Close the computer cover .  9. 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.  10. If the drive you just installed is the primary drive, insert a bootable floppy disk into drive A.  11. Tur[...]

 3. Remove the floppy drive from the bracket: a.  Remove all four drive - securing screws (two on each side). b.  Remove the floppy drive from the bracket.  Installing a Floppy Drive  1. Remove the floppy drive bracket from the computer.  2. If you are replacing a floppy drive, remove the drive from the bracket.  3. Attach the [...]

 10. Connect your computer and devices to their electrical outlets, and turn them on. See the documentation that came with the drive for instructions on installing any software required for drive operation.  11. Enter system setup and update the appropriate Diskette Drive option.  12. Verify that your computer works correctly by running th[...]

Installing a CD/DVD Drive  1. If you are installing a new drive, unpack the drive and prepare it for installation. Check the documentation that accompanied the drive to verify that the drive is configured for your computer. If you are installing an IDE drive, configure the drive for the cable select setting.  2. If you are replacing a drive, [...]

 4. After the drive is in place, apply pressure to ensure that the drive is fully seated.  5. Use the securing screw that came with the drive to attach the drive to the computer.  6. Connect the power cable to the system board .  7. Locate the data cable from the CD or DVD drive in the upper drive bay and connect its middle data connect[...]

  1. Follow the procedures in Before You Begin .  2. Disconnect the cooling fan power cable from the fan connector on the system board.  3. Disconnect the power cable from the processor power connector on the system board.  4. Lift up the airflow shroud.   5. Remove the microprocessor heat sink: a.  Twist the heat sink from [...]

 8. To remove the processor from the socket, lift the processor vertically in one motion. Leave the release lever extended in the release position so that the socket is ready for the new processor.  Installing the Processor  1. Unpack the new processor.  2. If the release lever on the socket is not fully extended, move it to that positi[...]

a.  Slide one end of the heat sink under the retention tab. b.  Lower the heat sink until it fits securely in the module.  8. Lower the airflow shroud over the heat sink.  9. Reconnect the cooling fan power cable to the fan connector on the system board.  10. Reconnect the power cable to the processor power connector on the system bo[...]

 5. Disconnect the fan power cable from its connector on the system board.  6. Pull the fan release lever away from the back of the computer and slide the fan toward the release lever.  7. 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.[...]

   1. Follow the procedures in Before You Begin .  2. Remove the floppy drive .  3. Remove any cards that are installed.  4. Disconnect all cables from the system board .  5. Lift up the heat - sink shroud.   6. Remove the microprocessor heat sink .  7. Remove the fan assembly .  8. Remove the 12 screws that secure [...]

step8 of the preceding procedure.  4. Reinstall the fan assembly .  5. Reinstall the microprocessor heat sink, and then lower the heat - sink shroud.  6. Reattach the cables to the system board.  7. Reinstall any cards.  8. Replace the floppy drive.  9. Replace the computer cover.  10. Connect your computer and devices to el[...]

 1. Slide the power supply into place.  2. Replace the four screws that secure the power supply to the back of the computer.  3. Reinstall the fan assembly .  4. Reconnect the DC power cables to the drives and system board.  5. Replace the computer cover.  6. Connect the AC power cable to the AC power connector on the back of the [...]

 7. Connect your computer and devices to electrical outlets, and turn them on.  8. Enter system setup and restore the settings you recorded in step 1.  9. Properly dispose of the old battery (see the "Battery Disposal" section of your Product Information Guide ). Back to Contents Page [...]

Back to Contents Page  Technical Specifications Dell™Dimension™3000SystemsServiceManual  Processor  Memory  Computer Information  Video  Audio  Expansion Bus  Drives  Connectors  Controls and Lights  Power  Physical  Environmental Processor Processor[...]

Expansion Bus Bus type PCI Bus speed 33 MHz PCI  connectors three connector size 120 pins connector data width (maximum) 32 bits Drives Externally accessible:  one bay for a floppy drive, and two bays for CD/DVD drive Available devices floppy drive, USB memory devices, CD drive, CD - RW drive, DVD drive, DVD - RW drive, and DVD and CD - RW[...]

Back to Contents Page  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 0.25 G at 3 to 200 Hz at 0.5 octave/min Storage [...]

Back to Contents Page  System Setup Dell™Dimension™3000SystemsServiceManual  Overview  Entering System Setup  System Setup Screens  System Setup Options  Boot Sequence  Clearing Forgotten Passwords  Overview Use system setup as follows: l  To change the system configuration information[...]

NOTE: If you insert a boot device and restart the computer, this option appears in the system setup menu. To boot from a USB memory device, select the USB device and move it so it becomes the first device in the list. Drives Diskette Drive Identifies and defines the floppy drive attached to the FLOPPY connector on the system board as Off , USB , In[...]

 Boot Sequence This feature allows you to change the boot sequence for devices.  Option Settings l  Diskette Drive — The computer attempts to boot from the floppy drive. If the floppy disk in the drive is not bootable, if no floppy disk is in the drive, or if there is no floppy drive installed in the computer, the computer generates an e[...]

 3. Press the up - and down - arrow keys to move through the list of devices.  4. Press the spacebar to enable or disable a device (enabled devices have a check mark).  5. Press plus (+) or minus ( – ) to move a selected device up or down the list.  Clearing Forgotten Passwords   1. Follow the procedures in Before You Begin . ?[...]

Back to Contents Page  Technical Overview Dell™Dimension™3000Systems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 this secti[...]

 Power Supply DC Connector Pin Assignments The 250 - WpowersupplycanoperatefromanACpowersourceof115VACor230VACat50 – 60 Hz. The power supply provides the DC operating voltages and currents listed in the following table.  DC Power Connector P1  Output Voltage 1  Minimum Current ([...]

 DC Power Connector P2  DC Power Connectors P8 and P9  DC Power Connector P4 Pin Number Signal name Wire Color 1 +3.3 VDC Orange 2 +3.3 VDC Orange 3 COM Black 4 +5 VDC Red 5 COM Black 6 +5 VDC Red 7 COM Black 8 POK Gray 9 +5 VFP Purple 10 +12 VDC Yellow 11 +3.3 VDC Orange 12 – 12 VDC Blue 13 COM Black 14 PS_ON Green 15 COM Black 16 COM B[...]

 DC Power Connector P6  DC Power Connector P7 Back to Contents Page   Pin Number  Signal Name  18 - AWG Wire Color 1 - No connect 2 COM Black 3 COM Black 4 +3.3 VDC Orange 5 +5 VDC Red 6 +12 VDC Yellow  Pin Number  Signal Name  18 - AWG Wire Color 1 +12 VDC Yellow 2 COM Black 3 COM Black 4 +5 VDC Red  Pin Number  Si[...]

Back to Contents Page Dell™Dimension™3000SystemsServiceManual For a complete list of abbreviations and acronyms, see the Dell Dimension Help file. IfyoupurchasedaDell™nSeriescomputer,anyreferencesinthisdocumenttoMicrosoft ® Windows ® operating systems are not applicable. Informatio[...]