Dell XPS 730x User Manual
Dell XPS 730/730X Service Manual
Dell™ XPS™ 730/730X Service Manual
Technical Overview
Before You Begin
Replacing the Computer Stand
Replacing the Computer Cover
Replacing the Theater Lighting Unit
Replacing Memory Module(s)
Replacing a PCI/PCI Express Card
Replacing Drives
Model DCDO
Replacing the Heat Sink Assembly
Replacing the Processor
Replacing Fans
Replacing the Master Control Board
Replacing the System Board
Replacing the Power Supply
Replacing the Battery
System Setup
Notes, Cautions, and Warnings
NOTE: A NOTE indicates important information that helps you make better use of your computer.
CAUTION: A CAUTION indicates potential damage to hardware or loss of data if instructions are not
followed.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
Information in this document is subject to change without notice.
© 2008 Dell Inc. All rights reserved.
Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.
Trademarks used in this text: Dell, the DELL logo, and XPS are trademarks of Dell Inc.; Microsoft and Windows, are either trademarks or registered
trademarks of Microsoft Corporation in the United States and/or other countries.
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 Inc. disclaims any proprietary interest in trademarks and trade names other than its own.
November 2008 Rev. A00
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Technical Overview: Dell XPS 730/730X Service Manual
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Technical Overview
Dell™ XPS™ 730/730X Service Manual
Inside View of Your Computer
System Board Components
Master Control Board
WARNING: Before working inside your computer, read the safety information that shipped with your
computer. For additional safety best practices information, see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.
Inside View of Your Computer
1 optical drive
bays (4)
3 hard drive
bays (4)
5 card fan
2 floppy drive/media card reader
4 processor cooling solution: liquid cooling assembly
(shown) or air cooling assembly
System Board Components
Dell™ XPS™ 730
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Technical Overview: Dell XPS 730/730X Service Manual
1 CPU socket 2 system board CPU fan header
3 DIMMs 0 and 1 (DIMM 0-1) 4 DIMMs 2 and 3 (DIMM 2-3)
5 ATX power connector
(ATX_PWR)
7 SATA ports 3-6 (SATA 3-6) 8 floppy header (FLOPPY)
9 BIOS debug codes (PORT 80
DECODER)
11 font panel connector (FRONT
PNL)
13 reset CMOS jumper (RESET
CMOS)
15 internal USB header 2 (USB) 16 1394 header
17 battery socket 18 power button (POWER)
19 reset button (RESET) 20 front panel audio header (FP Audio)
21 PCI slot 1 (PCI SLOT 1) 22 PCIe x16 (Generation 2) slot 2
23 PCI slot 2 (PCI SLOT 2) 24 PCIe x16 (Generation 1) slot 3
6 IDE connector (IDE)
10 SATA ports 1-2 (SATA 1-2)
12 serial port header (SERIAL PORT)-
unused
14 internal USB header 1 (USB)
(PCIe x16_2)
(PCIe x16_3)
25 PCIe x1 slot (PCIe x1) 26 PCIe x16 (Generation 2) slot 1
(PCIe x16_1)
27 PCIe x1 slot (PCIe x1) 28 internal eSATA header
29 CPU power header
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Technical Overview: Dell XPS 730/730X Service Manual
Dell XPS 730X
1 CPU socket 2 system board CPU fan header
3 DIMMs 1, 3, and 5 4 ATX power connector (ATX_PWR)
5 IDE connector (IDE) 6 SATA port 4 (SATA 4)
7 battery socket 8 SATA ports 1-3 (SATA 1-3)
9 internal USB header 1 (USB) 10 internal USB header 2 (USB)
11 internal USB header 3 (USB) 12 1394 header
13 PCI slot 1 (PCI SLOT 1) 14 front panel audio header (FP Audio)
15 PCIe slot 5 (PCI_E5) 16 PCIe slot 4 (PCI_E4)
17 PCIe slot 3 (PCI_E3) 18 PCIe slot 2 (PCI_E2)
19 PCIe slot 1 (PCI_E1) 20 CPU power header
Master Control Board
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Technical Overview: Dell XPS 730/730X Service Manual
1 internal LED header
(INTERNAL_LED)
2 power header (POWER)
3 front top LED header
(FRONT_TOP_LED)
5 PCI cage fan header (FAN_CAGE) 6 power button board header
7 rear PCI LED header
(REAR_PCI_LED)
9 factory defaults jumper
(FACTORY_DEFAULT)
11 system AC power LED indicator 12 USB input header (USB_MB)
13 system board front panel IO header
(MB_IO_HDR)
15 rear IO LED connector
(CONN_REAR)
Back to Contents Page
4 front bottom right LED IO header
(BOT_RT_LED)
(CON_PWR_BTN)
8 hard drive fan (FAN_HDD)
10 internal USB headers
(USB_FLEXBAY 1-2)
14 H2C liquid cooling header (H2C)
16 front CPU fan header
(FAN_CPU_FRONT)
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Before You Begin: Dell XPS 730/730X Service Manual
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Before You Begin
Dell™ XPS™ 730/730X Service Manual
Technical Specifications
Recommended Tools
Turning Off Your Computer
Safety Instructions
This chapter provides procedures for removing and installing the components in your computer. Unless otherwise noted, each
procedure assumes that the following conditions exist:
You have performed the steps in Turning Off Your Computer and Safety Instructions.
You have read the safety information that ships with your computer.
A component can be replaced or—if purchased separately—installed by performing the removal procedure in reverse
order.
Technical Specifications
For information on technical specifications of your computer, see the Quick
Reference Guide that shipped with your computer or see the Dell Support
website at support.dell.com.
Recommended Tools
The procedures in this document may require the following tools:
Small Phillips screwdriver
Small flat-blade screwdriver
Turning Off Your Computer
CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off
your computer.
1. Shut down the operating system:
2. Ensure that the computer and all attached devices are turned off. If your computer and attached devices did not
automatically turn off when you shut down your operating system, press and hold the power button for about 4
seconds to turn them off.
Safety Instructions
Use the following safety guidelines to help protect your computer from potential damage and to help to ensure your own
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Before You Begin: Dell XPS 730/730X Service Manual
personal safety.
WARNING: Before working inside your computer, read the safety information that shipped with your
computer. For additional safety best practices information, see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.
CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to
servicing that is not authorized by Dell is not covered by your warranty.
CAUTION: When you disconnect a cable, pull on its connector or on its pull-tab, not on the cable itself.
Some cables have connectors with locking tabs; if you are disconnecting this type of cable, press in on the
locking tabs before you disconnect the cable. As you pull connectors apart, keep them evenly aligned to
avoid bending any connector pins. Also, before you connect a cable, ensure that both connectors are
correctly oriented and aligned.
CAUTION: To avoid damaging the computer, perform the following steps before you begin working inside
the computer.
1. Ensure that the work surface is flat and clean to prevent the computer cover from being scratched.
2. Turn off your computer (see Turning Off Your Computer
CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the
cable from the network device.
3. Disconnect all telephone or network cables from the computer.
4. Disconnect your computer and all attached devices from their electrical outlets.
5. Press and hold the power button while the system is unplugged to ground the system board.
CAUTION: Before touching anything inside your computer, ground yourself by touching an unpainted metal
surface, such as the metal at the back of the computer. While you work, periodically touch an unpainted
metal surface to dissipate static electricity, which could harm internal components.
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).
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Replacing the Computer Stand: Dell XPS 730/730X Service Manual
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Replacing the Computer Stand
Dell™ XPS™ 730/730X Service Manual
WARNING: Your computer is heavy and can be difficult to maneuver. Seek assistance before attempting to
lift, move, or tilt the computer and always lift correctly to avoid injury; avoid bending over while lifting.
WARNING: The computer stand should be installed at all times to ensure maximum system stability.
Failure to install the stand could result in the computer tipping over, potentially resulting in bodily injury
or damage to the computer.
1. Follow the procedures in Before You Begin
2. Loosen the captive screw securing the stand to the base of the computer.
3. Gently slide the stand back, towards the rear of the computer, then pull the stand away from the computer to remove
it.
.
4. To replace the computer stand, perform the removal procedure in reverse order.
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Replacing the Computer Stand: Dell XPS 730/730X Service Manual
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Replacing the Computer Cover: Dell XPS 730/730X Service Manual
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Replacing the Computer Cover
Dell™ XPS™ 730/730X Service Manual
WARNING: Before working inside your computer, read the safety information that shipped with your
computer. For additional safety best practices information, see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.
WARNING: To guard against electrical shock, always unplug your computer from the electrical outlet
before removing the cover.
WARNING: Do not operate your equipment with any cover(s) (including computer covers, bezels, filler
brackets, front-panel inserts, etc.) removed.
CAUTION: Ensure that sufficient space exists to support the system with the cover removed—at least 30
cm (1 ft.) of desk top space.
1. Follow the procedures in Before You Begin
2. Pull back on the cover release latch.
.
1 computer cover 2 cover release latch
3 cover hinge tabs 4 stabilizing feet (closed)
3. With the cover release latch pulled back, grip the sides of the cover, then pivot the top of the cover up and away from
the computer.
4. Slide the cover forward and up to remove it from the hinge slots, then set it aside in a secure and protected location.
5. To replace the computer cover, perform the removal procedure in reverse order.
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Replacing the Computer Cover: Dell XPS 730/730X Service Manual
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Replacing the Theater Lighting Unit: Dell XPS 730/730X Service Manual
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Replacing the Theater Lighting Unit
Dell™ XPS™ 730/730X Service Manual
Replacing the Batteries
Replacing the Theater Lighting Card
WARNING: Before working inside your computer, read the safety information that shipped with your
computer. For additional safety best practices information, see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.
WARNING: To guard against electrical shock, always unplug your computer from the electrical outlet
before removing the cover.
WARNING: Do not operate your equipment with any cover(s) (including computer covers, bezels, filler
brackets, front-panel inserts, etc.) removed.
CAUTION: Ensure that sufficient space exists to support the system with the cover removed—at least 30
cm (1 ft.) of desk top space.
Replacing the Batteries
WARNING: A new battery can explode if it is incorrectly installed. Replace the battery only with the same
or equivalent type recommended by the manufacturer. Discard used batteries according to the
manufacturer's instructions.
1. Follow the procedures in Before You Begin
2. Remove the computer cover (see Replacing the Computer Cover
.
).
1 captive screws 2 batteries
3. Remove the two captive screws and lift the cover of the battery unit.
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Replacing the Theater Lighting Unit: Dell XPS 730/730X Service Manual
4. Replace the batteries with a new pair.
5. Replace the cover of the battery unit and ensure that the screws are secure.
6. Replace the computer cover (see Replacing the Computer Cover
7. Connect your computer and devices to electrical outlets, and then turn them on.
).
Replacing the Theater Lighting Card
1. Follow the procedures in Before You Begin.
2. Remove the computer cover (see Replacing the Computer Cover
).
1 theater lighting card 2 theater lighting card connector
3. Disconnect the theater lighting card connector.
4. Remove the screw securing the theater lighting card to the chassis and lift the card out of the slot.
5. Replace the theater lighting card in its slot and tighten the screw.
6. Replace the computer cover (see Replacing the Computer Cover
7. Connect your computer and devices to electrical outlets, and then turn them on.
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Replacing the Theater Lighting Unit: Dell XPS 730/730X Service Manual
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Replacing Memory Module(s): Dell XPS 730/730X Service Manual
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Replacing Memory Module(s)
Dell™ XPS™ 730/730X Service Manual
WARNING: Before working inside your computer, read the safety information that shipped with your
computer. For additional safety best practices information, see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.
1. Follow the procedures in Before You Begin
2. Remove the computer cover (see Replacing the Computer Cover
3. Locate the memory modules on the system board (see System Board Components
4. Press out the securing clip at each end of the memory module connector.
1 securing clip 2 memory module connector
5. Grasp the module and pull it upwards.
If the module is difficult to remove, gently ease the module back and forth to remove it from the connector.
.
).
).
CAUTION: Do not install ECC memory modules.
6. Ensure that you install a single memory module in DIMM connector 0, the connector closest to the processor, before
you install modules in any other connector.
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Replacing Memory Module(s): Dell XPS 730/730X Service Manual
Dell™ XPS™ 730:
A matched pair of modules in DIMM
connectors 0 and 1
Dell XPS 730X:
7. Align the notch on the bottom of the module with the tab in the connector.
B matched pair of memory modules in
DIMM connectors 2 and 3
1 cutouts (2) 2 memory module
3 notch 4 tab
CAUTION: To avoid damage to the memory module, press the module straight down into the connector
while you apply equal force to each end of the module.
8. Insert the module into the connector until the module snaps into position.
If you insert the module correctly, the securing clips snap into the cutouts at each end of the module.
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Replacing Memory Module(s): Dell XPS 730/730X Service Manual
9. Replace the computer cover (see Replacing the Computer Cover).
10. Connect your computer and devices to electrical outlets, and then turn them on.
If the message appears stating that memory size has changed, press <F1> to continue.
11. Log on to your computer.
®
12. Right-click the My Computer icon on your Microsoft
Windows® desktop and click Properties.
13. Click the General tab.
14. To verify that the memory is installed correctly, check the amount of memory (RAM) listed.
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Replacing a PCI/PCI Express Card: Dell XPS 730/730X Service Manual
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Replacing a PCI/PCI Express Card
Dell™ XPS™ 730/730X Service Manual
Removing a PCI Express Graphics Card From a Multi Graphics Card Configuration
Installing Graphics Cards for Multi Graphics Card
Replacing the PCI and PCI Express Cards
WARNING: Before working inside your computer, read the safety information that shipped with your
computer. For additional safety best practices information, see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.
NOTE: If a graphics card is installed in each of the PCIe x16 card slots in the multi-graphics configuration, the PCIe x1
and one PCI card slot are not accessible for use.
1 PCI card 2 PCIe x1 card
3 PCIe x1 card slot 4 PCIe x16 card slot
5 PCIe x16 card
Removing a PCI Express Graphics Card From a Multi Graphics
Card Configuration
NOTE: This section deals with dual and triple configurations of PCIe x16 graphics cards only. For removal of any other
type of PCI or PCIe cards, see Replacing the PCI and PCI Express Cards
1. Follow the procedures in Before You Begin
2. Remove the computer cover (see Replacing the Computer Cover
3. Gently securing both graphics cards with one hand, remove the graphics card bridge (if present) with your other hand
by pulling it up and away from the computer. Set it aside.
Repeat if removing two bridges from a triple card configuration.
.
.
).
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Replacing a PCI/PCI Express Card: Dell XPS 730/730X Service Manual
1 graphics card bridge 2 power connectors (2)
3 dual-PCIe graphics cards
4. Disconnect any cables connected to the card.
5. Remove the captive screws on top of the PCI card fan shroud and remove the shroud.
6. Remove the card retention screw(s) on the top of the card retainer at the appropriate card slot and pivot the card
retainer back through the chassis wall.
1 retention screw 2 card retainer
3 alignment guide 4 fan bracket
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Replacing a PCI/PCI Express Card: Dell XPS 730/730X Service Manual
7. Press the securing tab (if present) on the system board connector as you grasp the card by its top corners, and then
ease the card straight out of the connector
.
1 PCIe x16 card 2 securing tab
3 PCIe x16 card slot
8. Install a filler bracket in the empty card-slot opening. If you are replacing the card, see Installing Graphics Cards for
Multi Graphics Card.
NOTE: Installing filler brackets over empty card-slot openings is necessary to maintain FCC certification of the
computer. The brackets also keep dust and dirt out of your computer.
NOTE: The graphics card bridge (not present in all multi-graphics configurations) is not necessary in a single
graphics card configuration.
CAUTION: 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 damage to the equipment.
9. Replace the PCI card fan shroud, replace the computer cover (see Replacing the Computer Cover
computer and devices to electrical outlets, and then turn them on.
), reconnect the
Installing Graphics Cards for Multi Graphics Card
NOTE: To upgrade to or downgrade from a dual- or triple-graphics card configuration, you may need additional parts
that can be ordered from Dell.
This section pertains to using dual and triple PCIe graphics cards to take advantage of NVIDIA's SLI (Scalable Link Interface).
For installation of other types of PCI or PCIe cards, see Replacing a PCI/PCI Express Card
Some expansion card slots will not be available for use if a dual-slot graphics card is installed in any of the PCIe x16 card
slots. If you are upgrading from a single-slot graphics card to a dual-slot graphics card, you will need to remove any card
installed in these expansion slots. To remove a PCIe card, see Replacing the PCI and PCI Express Cards
.
.
CAUTION: For information about upgrading your system to use NVIDIA SLI (Scalable Link Interface) multi-
graphics technology, see the Dell support website at support.dell.com.
1. Follow the procedures in Before You Begin
2. Remove the computer cover (see Replacing the Computer Cover
3. Remove the captive screws on top of the PCI card fan shroud and remove the shroud.
4. Remove the filler bracket or existing graphics card to create a card-slot opening.
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).
Replacing a PCI/PCI Express Card: Dell XPS 730/730X Service Manual
NOTE: If you are upgrading to a multi-graphics card configuration and have a card installed in the PCIe x1 card
slot, remove the card (see Replacing the PCI and PCI Express Cards
5. Install two SLI-ready graphics cards into the two outer PCIe x16 slots on the system board.
).
1 retention screw 2 card retainer
3 alignment guide 4 fan bracket
6. Prepare the cards for installation.
See the documentation that came with the cards for information on configuring them, making internal connections, or
otherwise customizing them for your computer.
7. Position each card so that it is aligned with the slot and that the securing tab (if present) is aligned with the slot.
NOTE: If the card is full length, insert the card guide into the alignment slot on the fan bracket.
1 PCIe x16 card 2 securing tab
3 PCIe x16 card slot
CAUTION: Ensure that you release the securing tab to seat the card. If the card is not installed correctly,
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