Manuale d’uso / di manutenzione del prodotto 340 del fabbricante Dell
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DellPrecision™WorkStation340ServiceManual Before You Begin Safety First — For You and Your Computer Protecting Against Electrostatic Discharge Removing and Installing Parts Computer.
Back to Contents Page Battery DellPrecision™WorkStation340ServiceManual 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.
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 .
Back to Contents Page Chassis Intrusion Switch DellPrecision™WorkStation340ServiceManual 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 .
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.
Back to Contents Page Computer Cover DellPrecision™WorkStation340ServiceManual 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.
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Back to Contents Page Control Panel DellPrecision™WorkStation340ServiceManual 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.
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.
Back to Contents Page Drives DellPrecision™WorkStation340ServiceManual 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.
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.
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.
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.
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.
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.
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.
11. Connect the removable media drive power cable and audio cable to the removable media drive. 12. Connecttheremovablemediadrivedatacabletotheremovablemediadrive. If your computer came with an IDE CD drive, use the spare connector on the existing removable media drive data cable.
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.
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.
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.
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.
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 .
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.
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.
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.
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 DellPrecision™WorkStation340ServiceManual Static electricity can harm delicate components inside your computer.
Back to Contents Page Expansion Cards DellPrecision™WorkStation340ServiceManual 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.
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.
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.
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.
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.
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.
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 .
Back to Contents Page Expansion Card Cage (Small Desktop Computer Only) DellPrecision™WorkStation340ServiceManual The PCI riser board in the small desktop computer has two PCI expansion card slots. Removing the Expansion - Card Cage 1.
Back to Contents Page Front Panel Door and Hinge Arms DellPrecision™WorkStation340ServiceManual 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.
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 Front - Panel Inserts DellPrecision™WorkStation340ServiceManual 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 .
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 Inside Your Computer DellPrecision™WorkStation340ServiceManual Small Desktop Computer Mini - Tower Computer NOTE: User service access points are color - coded green.
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 .
Back to Contents Page I/O Panel DellPrecision™WorkStation340ServiceManual 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 .
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).
Back to Contents Page Computer Memory DellPrecision™WorkStation340ServiceManual 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.
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.
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.
Back to Contents Page Microprocessor DellPrecision™WorkStation340ServiceManual Removing the Microprocessor 1. Disconnect the fan power cable from the system board (see " System Board Components " for the location of the connector).
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.
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.
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.
Back to Contents Page Power Supply DellPrecision™WorkStation340ServiceManual 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 .
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.
Back to Contents Page Safety First — For You and Your Computer DellPrecision™WorkStation340ServiceManual Use the following safety guidelines to help protect your computer system from potential damage and to ensure your own personal safety.
Back to Contents Page System Board Components DellPrecision™WorkStation340ServiceManual The following figures show the principal connectors and components on the system board. See " System Board " for information on removing the system board.
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 har.
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 t.
Back to Contents Page System Board DellPrecision™WorkStation340ServiceManual 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.
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.
Back to Contents Page DellPrecision™WorkStation340ServiceManual ____________________ Information in this document is subject to change without notice.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Dell 340 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Dell 340 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Dell 340 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Dell 340 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Dell 340, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Dell 340.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Dell 340. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Dell 340 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
