Dell 340 manuale d’uso

DellPrecision™WorkStation340ServiceManual Before You Begin Safety First — For You and Your Computer Protecting Against Electrostatic Discharge Removing and Installing Parts Computer Cover Front Panel Door and Hinge Arms Front - Panel Inserts Inside Your Computer System Board Components Battery Drives Computer Memory Expansion Car[...]

Back to Contents Page Battery DellPrecision™WorkStation340ServiceManual  The 3.0 - V CR2032 coin - cell battery installed on the system board provides power to retain the configuration, date, and time information when the computer is turned off. The computer battery is designed to provide years of service without being replaced.[...]

 6.  Close the computer cover . 7.  Reconnect the computer and devices to their electrical outlets, and turn them on.  8.  Enter system setup and enter the current time and date. Then exit system setup and save the information.  For more information on entering system setup, see your User's Guide . 9.  Turn off your comput[...]

Back to Contents Page Chassis Intrusion Switch DellPrecision™WorkStation340ServiceManual Removing the Chassis Intrusion Switch   1.  Turn off the computer and devices, disconnect them from their electrical outlets, wait at least 10 to 20 seconds, lay the mini - tower computer on its side, and open the computer cover . Smal[...]

Replacing the Chassis Intrusion Switch  To replace the chassis intrusion switch, follow the " Removing the Chassis Intrusion Switch " procedures in reverse order. Resetting the Chassis Intrusion Detector 1.  Enter system setup by pressing <F2> during the computer's POST.  For instructions on using system setup, see the[...]

Back to Contents Page Computer Cover DellPrecision™WorkStation340ServiceManual Opening the Computer Cover   1.  Turn off the computer and devices, disconnect them from their electrical outlets, and wait 10 to 20 seconds. 2.  If you have installed a padlock through the padlock ring on the back panel, remove the padlock. [...]

Closing the Computer Cover 1.  Check all cable connections, especially those that might have come loose during your work. Fold cables out of the way so that they do not obstruct the computer cover. 2.  Ensure that no tools or extra parts (including screws) are left inside the computer. 3.  Close the computer cover by pivoting the cover dow[...]

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Back to Contents Page Control Panel DellPrecision™WorkStation340ServiceManual    Removing the Control Panel Desktop Computer 1.  Remove the front I/O panel .  2.  Using an 8 - inch #2 Phillips screwdriver, remove the screw that secures the control panel to the computer, and lift the panel away from the computer. M[...]

2.  To prepare the computer cover for removal, release the three computer cover tabs (one tab is located by the CD drive and two tabs are located by the I/O panel).  3.  If necessary, remove the computer cover screw. 4.  Close the computer and remove the computer cover. 5.  Remove the screw that secures the control panel to the compu[...]

Back to Contents Page Drives DellPrecision™WorkStation340ServiceManual    Removing and Installing a Floppy Drive — Small Desktop Computer 1.  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. Change any set[...]

6.  If the replacement drive does not have the bracket rails attached, remove the rails from the old drive by removing the two screws that secure each rail to the drive. Drive - Rail Bracket Removal and Replacement  7.  Attach the bracket to the new drive by aligning the screw holes on the drive with the screw holes on the rails and tighte[...]

 Removing and Installing a Floppy Drive — Mini - Tower Computer 1.  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. Change any settings necessary for your configuration. 2.  Open the computer cover . 3.  Disconnect the po[...]

8.  Gently slide the drive into place until the tabs securely click into position. 9.  Attach the floppy - drive data cable to the back of the floppy drive. 10.  Connect the power cable to the power input connector on the drive. 11.  Close the computer cover , reconnect your computer and devices to their electrical outlets, and turn the[...]

 5.  Press inward on the two tabs on the sides of the drive bay to disengage the drive from the computer. 6.  Slide the drive upward and remove it from the computer. Removable Media Drive Removal  7.  If the replacement drive does not have the bracket rails attached, remove the rails from the old drive by removing the two screws that[...]

10.  Reinstall the removable media drive and bracket assembly by gently sliding the bracket into place until the tabs securely click into position. 11.  If you are installing a drive that has its own controller card, install the controller card in an expansion slot.  12.  Connect a power cable to the power cable connector on the back of[...]

16.  If the removable media drive bay was previously empty, remove the front - panel insert from the front panel. 17.  Close the computer cover , reconnect your computer and devices to their electrical outlets, and turn them on. 18.  If necessary, update your configuration information in system setup. 19.  Verify that your computer work[...]

11.  Connect the removable media drive power cable and audio cable to the removable media drive. 12.  Connecttheremovablemediadrivedatacabletotheremovablemediadrive.  If your computer came with an IDE CD drive, use the spare connector on the existing removable media drive data cable. Otherwise, use the I[...]

Hard - Drive Shroud and Hard - Drive Removal  5.  Disconnect the power and hard - drive data cables from the drive. Hard - Drive Cable Removal   6.  Remove the drive bracket from inside the computer. a.  If a hard drive is already installed in the drive bracket, disconnect the power and hard - drive data cables from the drive. b. [...]

8.  Attach the bracket rails to the new hard drive by aligning the four screw holes of the drive and bracket and then inserting and tightening the screws that came with your upgrade kit. 9.  Reinstall the hard - drive bracket by gently sliding the bracket into place until you hear it securely click. Installing a Hard Drive   10.  Con[...]

11.  If it is not already connected, connect the other end of the hard - drive data cable to the IDE PRI connector on the system board. 12.  Replace the plastic shroud covering the drive by inserting the two tabs on the bottom into the holes and snapping the top into place. 13.  Close the computer cover , reconnect your computer and device[...]

 5.  Press in on the tabs on each side of the bracket, and slide it up and out. 6.  If the replacement drive does not have the bracket rails attached, remove the rails from the old drive by removing the two screws that secure each rail to the drive.   7.  If necessary, attach the bracket rails to the new hard drive by aligning the[...]

 10.  Check all connectors to be certain that they are properly cabled and firmly seated.  11.  If it is not already connected, connect the other end of the hard - drive data cable to the IDE_PRI connector on the system board. 12.  Close the computer cover . 13.  If the drive you just installed is the primary drive, insert a boota[...]

 Ensure that the rail tabs are positioned at the back of the hard drive.  5.  Remove the first hard drive from the upper bay and install it in the lower bay. a.  Disconnect the power cable and the data cable from the back of the first hard drive. b.  Press in the two green rail tabs and pull the first hard drive out of the upper bay.[...]

  The drive's interface connector is a card - edge connector or a header connector, as shown in the following figure. Drive Interface Connectors    When you attach the interface cable to a drive, be sure to match the colored stripe on the cable to pin 1 of the drive's interface connector. For the location of pin 1 on the dr[...]

 To transfer data at full speed, Ultra ATA/100 hard drives require an 80 - conductor cable like that used with ATA/66 drives. The 80 - conductor cable has a 40 - pin connector like the ATA/33 cable, but it has twice as many wires within the cable. If you use an ATA/33 cable with Ultra ATA/100 hard drives, the drives will operate properly, but da[...]

Back to Contents Page  NOTICE: Dell recommends that you use only SCSI cables purchased from Dell. Cables purchased elsewhere are not guaranteed to work with Dell computers.[...]

Back to Contents Page Protecting Against Electrostatic Discharge DellPrecision™WorkStation340ServiceManual  Static electricity can harm delicate components inside your computer. To prevent static damage, discharge static electricity from your body before you touch any of your computer's electronic components, such as the mi[...]

Back to Contents Page Expansion Cards DellPrecision™WorkStation340ServiceManual  Your computer provides expansion slots for the following cards: l  In the small desktop computer, up to two 32 - bit, 33 - MHz PCI cards. l  In the mini - tower computer, up to four 32 - bit, 33 - MHz PCI cards. l  One 32 - bit AGP card. Th[...]

 Mini - Tower Computer  Installing an Expansion Card   1.  If you are replacing an expansion card, remove the current driver for the expansion card from the operating system. 2.  Turn off the computer and devices, disconnect them from their electrical outlets, and wait 10 to 20 seconds. 3.  Open the computer cover . 4.  Pres[...]

Expansion Card Retention Arm — Mini - Tower Computer  5.  If you are installing a new expansion card, remove the filler bracket for an empty card - slot opening. Then continue with step 6. 6.  If you are replacing an expansion card that is already installed in the computer, remove the expansion card.  If necessary, disconnect any cabl[...]

Expansion Card Installation — Mini - Tower Computer   10.  Lower the expansion card retention arm and press it into place, securing the expansion card(s) in the computer. 11.  Connect any cables that should be attached to the card.  See the documentation for the card for information about the card's cable connections.  12. [...]

14.  Enter system setup and enable the new expansion card.   If you installed a sound card, perform the following steps: a.  Enter system setup, select Integrated Devices (LegacySelect) and change the setting for Sound to Off . b.  Connect external audio devices to the sound card's connectors. Do not connect external audio devic[...]

the lever and pull the lever up. AGP Slot Filler Bracket Removal — Small Desktop Computer   AGP Slot Filler Bracket Removal — Mini - Tower Computer  3.  Press the AGP card clip lever toward PCI slot 1. 4.  Slide the AGP card into place. AGP Card Installation  1 tab 2 indentation[...]

5.  Release the AGP card clip lever, ensuring that the tab on the AGP card clip lever fits into the notch on the front end of the AGP card. 6.  Secure the AGP card bracket by lowering the securing lever on the back panel. 7.  Close the computer cover . Removing an AGP Card 1.  Raise the hinged lever on the back on the computer. 2.  O[...]

Back to Contents Page Expansion Card Cage (Small Desktop Computer Only) DellPrecision™WorkStation340ServiceManual  The PCI riser board in the small desktop computer has two PCI expansion card slots. Removing the Expansion - Card Cage  1.  Open the computer cover. 2.  Check any cables connected to expansion cards through[...]

Back to Contents Page Front Panel Door and Hinge Arms DellPrecision™WorkStation340ServiceManual  To prevent damage to your computer, the front door is designed to "break away" if it is lifted up too far. If the front door breaks away, you might need to reattach both the front door and the hinge arms. Reattaching the Fr[...]

  4.  After the hinge arms snap into place, lower and raise the arms two or three times to properly seat them. 5.  Reattach the front door (see " Reattaching the Front Door ").  Back to Contents Page  1 hinge arms (2) in horizontal position[...]

Back to Contents Page Front - Panel Inserts DellPrecision™WorkStation340ServiceManual Removing Front - Panel Inserts  1.  Turn off the computer and devices, disconnect them from their electrical outlets, wait at least 10 to 20 seconds, lay the computer on its side, and open the computer cover . 2.  On the small desktop com[...]

 Replacing Front - Panel Inserts  To replace a front - panel insert, follow the appropriate procedure, in reverse, in " Removing Front - Panel Inserts ." Back to Contents Page [...]

Back to Contents Page Inside Your Computer DellPrecision™WorkStation340ServiceManual  Small Desktop Computer   Mini - Tower Computer  NOTE: User service access points are color - coded green. 1 removable media drive 9 AC power connector 2 hard drive 10 padlock ring 3 cover release buttons (2) 11 back - panel connectors [...]

 Back to Contents Page  1 removable media drive 8 PCI expansion - card slots (4) 2 floppy drive 9 back panel connectors 3 hard drive 10 AC power connector 4 cover release buttons (2) 11 padlock ring 5 speaker 12 power supply 6 chassis intrusion switch 13 microprocessor airflow shroud 7 system board  [...]

Back to Contents Page I/O Panel DellPrecision™WorkStation340ServiceManual Removing the I/O Panel — Small Desktop Computer   1.  Turn off the computer and devices, disconnect them from their electrical outlets, wait at least 10 to 20 seconds, lay the computer on its side, and remove the computer cover . 2.  Remove the [...]

   1.  Disconnect the control - panel cable from the control - panel connector on the I/O panel. 2.  Disconnect the front I/O cable from the front - panel connector on the system board (see " System Board Components " for the location of the front - panel connector).  Note the routing of the control panel cable as you re[...]

Back to Contents Page Computer Memory DellPrecision™WorkStation340ServiceManual  Your computer supports dual - channel RDRAM RIMMs in 64 - , 128 - , 256 - , and 512 - MB capacities. See " Computer Memory Installation Guidelines " for instructions you must follow when installing memory modules.  To locate the memory [...]

  l  Memory sockets must be upgraded in matched pairs. In other words, two sockets in a pair must contain modules of identical capacity, number of components, and speed. See " System Board Memory Components " to identify pairs of sockets. l  Mixed pairs of ECC and non - ECC modules all function as non - ECC. l  Be sure to i[...]

Installing a Memory Module 1.  If necessary, remove memory modules that occupy system board sockets in which you plan to install upgrade modules. 2.  Press the securing clips at each end of the socket outward until they snap open. 3.  Align the slots on the bottom of the module with the ridges inside the socket.  4.  Press the module[...]

Back to Contents Page Microprocessor DellPrecision™WorkStation340ServiceManual Removing the Microprocessor     1.  Disconnect the fan power cable from the system board (see " System Board Components " for the location of the connector). 2.  Disconnect the 12 - volt power cable from the system board (see [...]

 Heat Sink Removal — Mini - Tower Computer    5.  Lift the heat sink or heat sink/blower assembly away from the microprocessor. 6.  On the small desktop computer, remove the two screws on the blower to remove it from the heat sink.  1 securing clips (2) 4 heat sink 2 latches (2) 5 screws (2) 3 retention base 6 blower 1 securi[...]

 The ZIF socket has a lever - type handle that secures and releases the microprocessor from the ZIF socket 7.  Pull the socket lever up straight up until the microprocessor is released.  Microprocessor Removal   8.  Remove the microprocessor from the socket.  Leave the release lever extended in the release position so that the [...]

  3.  Carefully set the microprocessor in the socket and press it down lightly to seat it. 4.  Rotate the lever toward the socket until it snaps into place, securing the microprocessor package.  5.  If you are installing a new heat sink, remove the film covering the bottom of the heat sink. 6.  On the small desktop computer, re[...]

Back to Contents Page Power Supply DellPrecision™WorkStation340ServiceManual Removing the Power Supply   1.  Turn off the computer and devices, disconnect them from their electrical outlets, wait 10 to 20 seconds, lay the computer on its side, and open the computer cover . Small Desktop Computer   Mini - Tower Comput[...]

 2.  Disconnect the AC power cable from the back of the power supply. 3.  Disconnect the DC power cables from the system board and the drives.  Note the routing of the DC power cables underneath the clips in the computer as you remove them from the system board and drives. It is important to route these cables properly when you replace [...]

Back to Contents Page Safety First — For You and Your Computer DellPrecision™WorkStation340ServiceManual  Use the following safety guidelines to help protect your computer system from potential damage and to ensure your own personal safety. When Working Inside Your Computer  Before you open the computer cover, perform the f[...]

Back to Contents Page System Board Components DellPrecision™WorkStation340ServiceManual  The following figures show the principal connectors and components on the system board. See " System Board " for information on removing the system board. Small Desktop Computer   Mini - Tower Computer  1 floppy - drive co[...]

 System Board Labels  1 floppy - drive connector (FLOPPY) 13 PCI riser board 2 battery 14 front - panel audio connector 3 removable - media drive connector (IDE SEC) 15 telephony connector 4 hard - drive connector (IDE PRI) 16 CD audio connector 5 front panel connector 17 back panel connectors 6 system board speaker 18 microprocessor power co[...]

Jumpers System Board Jumpers    To change a jumper setting, pull the plug off its pin(s) and carefully fit it down onto the pin(s) indicated. System - Board Jumper Settings    Back to Contents Page  PSWD Password jumper RIMM_ n Memory module socket SERIAL n Serial connectors (2) SCSI Auxiliary hard - drive activity light connec[...]

Back to Contents Page System Board DellPrecision™WorkStation340ServiceManual Removing the System Board   1.  Write down your BIOS settings before you turn off your computer.  See the User's Guide that came with your computer for instructions to find your BIOS settings. 2.  Turn off the computer and devices, disc[...]

6.  Orient the replacement board by aligning the notches on the bottom to the tabs on the computer floor. 7.  Slide the board toward the back of the computer until it clicks into place. 8.  Replace any components and cables that you removed from the system board. 9.  Reconnect all cables to their connectors at the back of the computer, [...]

Back to Contents Page DellPrecision™WorkStation340ServiceManual   ____________________ Information in this document is subject to change without notice. © 2003DellComputerCorporation.Allrightsreserved. Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation is st[...]