Dell Precision 220 Manuel d'utilisateur

DellPrecision™WorkStation220SystemsServiceManual Desktop Chassis — Removing and Replacing Parts Mini Tower Chassis — Removing and Replacing Pa

5.25-Inch Drive Removal To remove a device from an externally accessible drive bay, perform the following steps. 1. Remove the computer cover. 2. Di

Hard-Disk Drive Removal To remove a hard-disk drive from the internally accessible drive bracket, perform the following steps. 1. Remove the computer

5. Remove the four screws that secure the hard-disk drive to the drive bracket. 6. Remove the hard-disk drive from the bracket. Hard-Disk Drive Repl

5. Connect one of the device connectors on the data cable to the 40-pin interface connector on the back of the hard-disk drive. NOTICE: You must matc

3. Free the power supply from the securing tab labeled "RELEASE - >, " and rotate it upward until it locks in its extended position. Figu

 1CD-ROM drive audio interface connector2Serial port 1 connector3Parallel port connector4Serial port 2 connector5Fan connector6VRM connector7Micropho

 System Board Jumpers Figure 22 shows the location of the jumpers on the system board. Table 1 lists the system board jumpers and their settings. Fig

RIMMs To remove a Rambus in-line memory module (RIMM), perform the following steps. 1. Remove the computer cover. 2. Rotate the system power supply

1. Remove the computer cover. 2. Remove the airflow shroud. Squeeze in on the two pairs of tabs on the shroud and lift it away. 3. Remove the exist

To install a replacement microprocessor and heat sink assembly, perform the following steps: 1. Insert the new microprocessor into the system board c

Back to Contents Page Desktop Chassis — RemovingandReplacingParts:DellPrecision™WorkStation220Systems Service Manual Overview This section pro

To remove the system battery, perform the following steps. 1. If possible, enter System Setup and print the System Setup screens. 2. Remove the compu

12. Slide the system board toward the front of the chassis until it stops. 13. Carefully raise the front of the system board and lift the board out o

Back to Contents Page Mini Tower Chassis — RemovingandReplacingParts:DellPrecision™WorkStation220 Systems Service Manual Overview This section

Restarting the System To restart the system and reset the chassis intrusion detector, perform the following steps: 1. Replace the computer cover and

1. Lift the bottom of the cover, allowing it to pivot up toward you, and lift the cover away. Figure 3. Computer Cover Replacement To replace the comp

Figure 4. Interior Service Label Internal View Figure 5 shows a top view of the mini tower chassis to help you orient yourself when you work inside th

To remove a 5.25-inch front-panel insert, perform the following steps: 1. Hold the front panel with the front facing you. 2. From the front of the t

Figure 8. Drive Locations 3.5-Inch Diskette Drive Removal To remove the 3.5-inch diskette drive assembly, perform the following steps. 1. Remove the

5.25-Inch Drive Removal To remove a device from an externally accessible drive bay, perform the following steps. 1. Remove the computer cover. 2. Rem

Hard-Disk Drive Removal To remove a hard-disk drive, perform the following steps. 1. Remove the computer cover. 2. Remove the front panel. 3. Discon

Restarting the System To restart the system and reset the chassis intrusion detector, perform the following steps: 1. Replace the computer cover and

3. Reinstall the hard-disk drive bracket in the chassis (see Figure 15). Insert the hard-disk drive bracket into the drive bay cage by gently slidin

6. If it is not already connected, connect the other end of the EIDE cable to the IDE1 connector on the system board. NOTICE: You must match the colo

3. Rotate the brace up until it disengages from the card guide at the front of the chassis. Then lift it away from the chassis. To replace the brace,

Figure 19. Expansion Card Removal Expansion-Card Guide Figure 20. Expansion-Card Guide Removal To remove the expansion card guide, perform the follow

To remove the control panel, perform the following steps. 1. Remove the computer cover. 2. Remove the front panel. 3. Remove the AGP card brace. 4.

To remove the chassis intrusion switch and install a replacement, perform the following steps: 1. Disconnectthechassisintrusionswitchcablefrom

1. Rotate the system power supply to its fully extended position. 2. Disconnect the power cables from all drives. 3. Remove the power supply cables

1CD-ROM drive audio interface connector2Serial port 1 connector3Parallel port connector4Serial port 2 connector5Fan connector6VRM connector7Microphone

 System Board Jumpers Figure 26 shows the location of the jumpers on the system board. Table 1 lists the system board jumpers and their settings. Fig

RIMMs To remove a Rambus in-line memory module (RIMM), perform the following steps. 1. Remove the computer cover. 2. Rotate the system power supply t

To replace the computer cover, perform the following steps: 1. Check all cable connections, especially those that might have come loose during your w

Microprocessor/Heat Sink Assembly To replace a microprocessor, perform the following steps. 1. Remove the computer cover. 2. Remove the airflow shrou

1. Insert the new microprocessor into the system board connector. Press the processor firmly into its connector until it is fully seated. You must u

3. Remove the airflow shroud. Squeeze in on the two pairs of tabs on the shroud and lift it away. 4. Disconnect the fan power cable from the micropr

To remove the system board, perform the following steps. 1. Remove the computer cover. 2. Disconnect all cables from their connectors at the back of

Front-Panel Inserts Figure5.5.25-Inch Front-Panel Insert Removal To remove a 5.25-inch front-panel insert, perform the following steps: 1. Positi

Expansion-Card Removal To remove an expansion card, perform the following steps. 1. Remove the computer cover. 2. Disconnect any cables connected to

To remove the expansion-card guide, complete the following steps: 1. Remove the hard-disk drive bracket. 2. Face the computer from the front. Fro

7. Lift the control panel and control-panel ribbon cable free. To reinstall the control panel, perform the removal procedure in reverse. When you rei

3.5-Inch Diskette Drive Removal To remove the 3.5-inch diskette drive assembly, perform the following steps. 1. Remove the computer cover. 2. Discon