Dell Precision 340 Manuel d'utilisateur

DellPrecision™WorkStation340ServiceManual Before You Begin Safety First—For You and Your Computer Protecting Against Electrostatic Discharge Re

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 t

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

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 ea

 Removing and Installing a Floppy Drive—Mini-Tower Computer 1. Unpack the drive and prepare it for installation. Check the documentation that

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 flopp

 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 i

10. Reinstall the removable media drive and bracket assembly by gently sliding the bracket into place until the tabs securely click into position.

16. If the removable media drive bay was previously empty, remove the front-panel insert from the front panel. 17. Close the computer cover, recon

11. Connect the removable media drive power cable and audio cable to the removable media drive. 12. Connecttheremovablemediadrivedatacablet

Hard-Drive Shroud and Hard-Drive Removal  5. Disconnect the power and hard-drive data cables from the drive. Hard-Drive Cable Removal  

Back to Contents Page Battery DellPrecision™WorkStation340ServiceManual The 3.0-V CR2032 coin-cell battery installed on the system board provi

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 s

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 t

 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 atta

 10. Check all connectors to be certain that they are properly cabled and firmly seated.  11. If it is not already connected, connect the othe

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

 The drive's interface connector is a card-edge connector or a header connector, as shown in the following figure. Drive Interface Connectors

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

Back to Contents Page  NOTICE: Dell recommends that you use only SCSI cables purchased from Dell. Cables purchased elsewhere are not guaranteed to wo

Back to Contents Page Protecting Against Electrostatic Discharge DellPrecision™WorkStation340ServiceManual Static electricity can harm delicat

Back to Contents Page Expansion Cards DellPrecision™WorkStation340ServiceManual Your computer provides expansion slots for the following cards

 6. Close the computer cover. 7. Reconnect the computer and devices to their electrical outlets, and turn them on.  8. Enter system setup a

 Mini-Tower Computer  Installing an Expansion Card   1. If you are replacing an expansion card, remove the current driver for the expansion c

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

Expansion Card Installation—Mini-Tower Computer   10. Lower the expansion card retention arm and press it into place, securing the expansion c

14. Enter system setup and enable the new expansion card.  If you installed a sound card, perform the following steps: a. Enter system setup, s

the lever and pull the lever up. AGP Slot Filler Bracket Removal—Small Desktop Computer   AGP Slot Filler Bracket Removal—Mini-Tower Computer 

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. Se

Back to Contents Page Expansion Card Cage (Small Desktop Computer Only) DellPrecision™WorkStation340ServiceManual The PCI riser board in the s

Back to Contents Page Front Panel Door and Hinge Arms DellPrecision™WorkStation340ServiceManual To prevent damage to your computer, the front

  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

Back to Contents Page Front-Panel Inserts DellPrecision™WorkStation340ServiceManual Removing Front-Panel Inserts  1. Turn off the computer a

Back to Contents Page Chassis Intrusion Switch DellPrecision™WorkStation340ServiceManual Removing the Chassis Intrusion Switch   1. Turn of

 Replacing Front-Panel Inserts To replace a front-panel insert, follow the appropriate procedure, in reverse, in "Removing Front-Panel Ins

Back to Contents Page Inside Your Computer DellPrecision™WorkStation340ServiceManual  Small Desktop Computer   Mini-Tower Computer  NOT

 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 con

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 c

   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-

Back to Contents Page Computer Memory DellPrecision™WorkStation340ServiceManual Your computer supports dual-channel RDRAM RIMMs in 64-, 128-,

  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

Installing a Memory Module 1. If necessary, remove memory modules that occupy system board sockets in which you plan to install upgrade modules. 2

Back to Contents Page Microprocessor DellPrecision™WorkStation340ServiceManual Removing the Microprocessor     1. Disconnect the fan powe

 Heat Sink Removal—Mini-Tower Computer    5. Lift the heat sink or heat sink/blower assembly away from the microprocessor. 6. On the smal

Replacing the Chassis Intrusion Switch To replace the chassis intrusion switch, follow the "Removing the Chassis Intrusion Switch" procedu

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 unti

  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 i

Back to Contents Page Power Supply DellPrecision™WorkStation340ServiceManual Removing the Power Supply   1. Turn off the computer and devic

 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. N

Back to Contents Page Safety First—For You and Your Computer DellPrecision™WorkStation340ServiceManual Use the following safety guidelines to

Back to Contents Page System Board Components DellPrecision™WorkStation340ServiceManual The following figures show the principal connectors an

 System Board Labels  1 floppy-drive connector (FLOPPY) 13 PCI riser board 2 battery 14 front-panel audio connector 3 removable-media drive connec

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. Sy

Back to Contents Page System Board DellPrecision™WorkStation340ServiceManual Removing the System Board   1. Write down your BIOS settings b

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

Back to Contents Page Computer Cover DellPrecision™WorkStation340ServiceManual Opening the Computer Cover   1. Turn off the computer and de

Back to Contents Page DellPrecision™WorkStation340ServiceManual  ____________________ Information in this document is subject to change witho

Closing the Computer Cover 1. Check all cable connections, especially those that might have come loose during your work. Fold cables out of the wa

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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