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Dell Precision™ Workstation 350 Service Manual

 

Notes, Notices, and Cautions  

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 strictly forbidden. 

Trademarks used in this text: 

Dell

, the 

DELL

 logo, and 

Dell Precision

 are trademarks of Dell Computer Corporation. 

Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Computer Corporation 
disclaims any proprietary interest in trademarks and trade names other than its own. 

March 2003 Rev. A01 

  

Before You Begin

 

  

Opening the Computer Cover

 

  

Memory

 

  

Drives

 

  

PCI Cards

 

  

AGP Card

 

  

Microprocessor

 

  

I/O Panel

 

  

Control Panel

 

  

Chassis Intrusion Switch

 

  

Battery

 

  

Power Supply

 

  

System Board

 

  

Closing the Computer Cover

 

NOTE: 

A NOTE indicates important information that helps you make better use of your computer. 

NOTICE: 

A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. 

 

CAUTION: 

A CAUTION indicates a potential for property damage, personal injury, or death.

Summary of Contents for Precision Workstation 350

Page 1: ...o either the entities claiming the marks and names or their products Dell Computer Corporation disclaims any proprietary interest in trademarks and trade names other than its own March 2003 Rev A01 Before You Begin Opening the Computer Cover Memory Drives PCI Cards AGP Card Microprocessor I O Panel Control Panel Chassis Intrusion Switch Battery Power Supply System Board Closing the Computer Cover ...

Page 2: ...button to ground the system board 5 If you have installed a padlock through the padlock ring on the back panel remove the padlock 6 Open the computer cover 7 Locate the battery socket labeled BATTERY 8 Remove the battery by carefully prying it out of its socket with your fingers or with a blunt nonconducting object such as a plastic screwdriver 9 Insert the new battery into the socket with the sid...

Page 3: ...etup and restore the settings you recorded before beginning this procedure 12 Properly dispose of the old battery For more information see your System Information Guide Back to Contents Page NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer ...

Page 4: ...e you connect a cable ensure that both connectors are correctly oriented and aligned l Handle components and cards with care Do not touch the components or contacts on a card Hold a card by its edges or by its metal mounting bracket Hold a component such as a microprocessor chip by its edges not by its pins Protecting Against Electrostatic Discharge Static electricity can harm delicate components ...

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Page 6: ...s Intrusion Switch procedures in reverse order Resetting the Chassis Intrusion Detector 1 Enter system setup by pressing F2 during the computer s POST 2 Under the System Security tab reset the Chassis Intrusion option by pressing the left or right arrow key to select Reset Change the setting to Enabled Enabled Silent or Disabled 3 Press Alt b to restart the computer and implement your changes Back...

Page 7: ...m the computer CAUTION Before you perform this procedure see the safety instructions in your System Information Guide NOTICE To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as the back panel on the computer NOTICE Before you disconnect a device from the computer or remove a component from the system board...

Page 8: ...Replacing the Control Panel Follow the steps in the Removing the Control Panel procedure in the reverse order ensuring that all tabs are secure Back to Contents Page ...

Page 9: ...m the computer CAUTION Before you perform this procedure see the safety instructions in your System Information Guide NOTICE To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as the back panel on the computer NOTICE Before you disconnect a device from the computer or remove a component from the system board...

Page 10: ...Replacing the Control Panel Follow the steps in the Removing the Control Panel procedure in the reverse order ensuring that all tabs are secure Back to Contents Page ...

Page 11: ...O panel such as the chassis intrusion switch and internal speaker cables 3 From inside the chassis cover remove the mounting screw that secures the I O panel to the chassis 4 Remove the I O panel from the chassis Replacing the I O Panel To replace the I O panel follow the removal procedures in reverse order Back to Contents Page CAUTION Before you begin any of the procedures in this section follow...

Page 12: ... see System Board Memory Module Label l Mixed pairs of ECC and non ECC modules all function as non ECC l Mixed pairs of PC1066 and PC800 modules all function as PC800 l Be sure to install a RIMM in socket 1 first closest to the processor before installing modules in the other sockets CAUTION Before you begin any of the procedures in this section follow the safety instructions in the System Informa...

Page 13: ...d turn them on 6 Press F2 to enter system setup and check the value for System Memory The computer should have changed the value of System Memory to reflect the newly installed memory Verify the new total If it is correct skip to step 9 7 If the memory total is incorrect turn off and disconnect your computer and devices from electrical outlets 8 Open the computer cover and check the installed memo...

Page 14: ......

Page 15: ...PCI connector and gently press the card into the AGP connector until it clicks into place 2 Release the card lever ensuring that the tab fits into the notch on the front end of the card 3 Secure the card by lowering the hinged lever on the back panel 4 If you disconnected a power cable from the card in step 1 of the previous procedure reconnect the cable to the card 5 Close the computer cover 6 Co...

Page 16: ...ect your computer and devices to electrical outlets and turn them on Back to Contents Page NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer ...

Page 17: ...rners and ease it out of its connector 6 Prepare the card for installation See the documentation that came with the card for information on configuring the card making internal connections or otherwise customizing it for your computer 7 Place the card in the connector and press down firmly Ensure that the card is fully seated in the slot If the card is full length insert the end of the card into t...

Page 18: ...he documentation for the card for information about the card s cable connections 1 bracket caught outside of slot 2 bracket within slot 3 fully seated card 4 not fully seated card 1 filler bracket 2 alignment bar 3 alignment guide 4 retention arm NOTICE Do not route card cables over or behind the cards Cables routed over the cards can prevent the computer cover from closing properly or cause damag...

Page 19: ...card by its top corners and ease it out of its connector 11 If you are removing the card permanently install a filler bracket in the empty card slot opening If you need a filler bracket contact Dell 12 Lower the retention arm and press it into place securing the card s in the computer 13 Close the computer cover reconnect the computer and devices to electrical outlets and turn them on 14 Remove th...

Page 20: ......

Page 21: ...a parts are left inside the computer 3 Close the computer cover a Pivot the cover down b Press down on the right side of the cover until it closes c Press down on the left side of the cover until it closes d Ensure that both sides of the cover are locked If not repeat step 3 4 Connect your computer and devices to electrical outlets and turn them on Back to Contents Page NOTICE To connect a network...

Page 22: ... the computer press the release button on the right side of the computer with one hand while pulling up on the top of the cover with the other hand b Press the release button on the left side of the computer with one hand while pulling up on the top of the cover with the other hand c Hold the bottom of the computer with one hand and then pull open the cover with the other hand Back to Contents Pag...

Page 23: ...the interface cable is the slave device drive 1 See the drive documentation in your upgrade kit for information on configuring devices for the cable select setting Your computer supports up to two IDE devices Hard drives should be connected to the connector labeled PRI IDE and CD DVD drives should be connected to the connector labeled SEC IDE Connecting Drive Cables When you install a drive you co...

Page 24: ...dure 2 Disconnect the power and hard drive cables from the drive 3 Press in on the tabs on each side of the drive and slide the drive up and out 1 power cable 2 power input connector 1 interface connector 2 colored stripe on edge of interface cable 3 interface cable NOTICE When you connect an interface cable do not place the colored stripe away from pin 1 of the connector Reversing the cable preve...

Page 25: ...s that secure each rail to the drive Attach the bracket rails to the new drive by aligning the screw holes on the drive with the screw holes on the bracket rails and then inserting and tightening all four screws two screws on each rail 4 Gently slide the drive into place until the tabs securely click into position 5 Connect the power and hard drive cables to the drive 1 tabs 2 2 hard drive 1 drive...

Page 26: ...ly pulling the rails up and out of the bay 3 Attach the rails to the hard drive using the two screws attached to the rails Ensure that the rail tabs are positioned at the back of the hard drive 4 Remove the first hard drive from the upper bay and install it in the lower bay a Disconnect the power and the hard drive cables from the back of the first hard drive b Press in the two green rail tabs and...

Page 27: ...e the documentation that came with the drive for information 8 Close the computer cover 9 Connect your computer and devices to electrical outlets and turn them on 10 See the documentation that came with the drive for instructions on installing any software required for drive operation 1 rail tabs 2 2 second hard drive in upper bay 3 first hard drive in lower bay 4 hard drive bay NOTICE Match the c...

Page 28: ...e of the front panel cover Removing a Floppy Drive 1 Disconnect the power and floppy drive cables from the back of the floppy drive 2 Disconnect the other end of the floppy drive cable from the system board labeled FLOPPY CAUTION Before you begin any of the procedures in this section follow the safety instructions in the System Information Guide CAUTION Before you begin any of the procedures in th...

Page 29: ...s from the old drive by removing the two screws that secure each rail to the drive Attach the bracket to the new drive by aligning the screw holes on the drive with the screw holes on the bracket rails and then inserting and tightening all four screws two screws on each rail 2 Gently slide the drive into place until the tabs securely click into position 1 power cable 2 floppy drive cable 3 floppy ...

Page 30: ...t came with the drive for instructions on installing any software required for drive operation 9 Enter system setup and update the appropriate Diskette Drive A option to reflect the size and capacity of your new floppy drive 10 Verify that your computer works correctly by running the Dell Diagnostics Removing a CD DVD Drive 1 Disconnect the power audio and CD DVD drive cables from the back of the ...

Page 31: ... select setting 2 Connect the new drive to the set of rails that are attached to the inside of the cover If a set of rails is not attached inside the cover contact Dell 3 If you are installing a replacement drive and the new 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 Attach the bracket to the new ...

Page 32: ...ns and fold cables out of the way to provide airflow for the fan and cooling vents 9 Close the computer cover 10 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 11 Update your configuration information by setting the appropriate Drive option 0 or 1 under ...

Page 33: ...Back to Contents Page ...

Page 34: ...stem board 3 Lift up the airflow shroud 4 Remove the microprocessor heat sink a For each of the metal securing clips that secure the heat sink to the microprocessor press down on the clip s latch to release it from the heat sink retention base Then lift the clip away from the heat sink b Lift the heat sink away from the microprocessor CAUTION Before you begin any of the procedures in this section ...

Page 35: ...acing upward NOTICE If you are installing a microprocessor upgrade kit from Dell discard the original heat sink If you are not installing a microprocessor upgrade kit from Dell reuse the original heat sink and blower when you install your new microprocessor NOTICE Be careful not to bend any of the pins when you remove the microprocessor from the socket Bending the pins can permanently damage the m...

Page 36: ...e retention base 7 Lower the airflow shroud over the heat sink If you installed a microprocessor replacement kit from Dell return the original heat sink assembly and microprocessor to Dell in the same package in which your replacement kit was sent 8 Reconnect the cooling fan power cable to the FAN connector on the system board 9 Reconnect the power cable to the 12VPOWER connector on the system boa...

Page 37: ...ent them from being pinched or crimped 3 Remove the two screws that attach the power supply to the rear wall 4 Press the release button 5 Slide the power supply toward the front of the computer approximately 1 inch 6 Lift the power supply up and out of the computer Replacing the Power Supply 1 Slide the power supply into place 2 Reconnect the DC power cables 3 Connect the AC power cable to the con...

Page 38: ...and PCI4 2 CD DVD drive connector SEC IDE 11 front panel audio cable connector FNT PNL AUD 3 battery socket BATTERY 12 telephony connector TELE 4 hard drive connector PRI IDE 13 CD drive audio cable connector CD 5 front panel connector FNT PNL 14 microprocessor and heat sink connector J2E1 6 password jumper PSWD 15 microprocessor fan connector FAN2 7 clear CMOS jumper CLR CM 16 memory module conne...

Page 39: ...nd slide the system board toward the front of the computer and then lift it up and away Removing the System Board 5 Place the system board that you just removed next to the replacement system board Replacing the System Board Jumper Setting Description PSWD green jumper default Password features are enabled Password features are disabled CLR_CMOS Clears the CMOS settings jumpered unjumpered CAUTION...

Page 40: ...he existing board 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 CAUTION The microprocessor package and heat sink assembly can get hot To avoid burns be sure that the pac...

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