Dell Precision 360 User Manual

Dell Precision 360 Service Manual

Dell Precision™ 360 Service Manual

Before You Begin
Inside Your Computer
Front Panel
I/O Panel
Control Panel
Chassis Intrusion Switch
Power Supply
System Board

Notes, Notices, and Cautions

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.

Abbreviations and Acronyms

For a complete list of abbreviations and acronyms, see the "Glossary" in your User's Guide.
To remove or replace all other Dell Precision Workstation 360 components, see the Dell Precision Workstation 360 User's

Guide.

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.
Models: WML and WMF
April 2003 Rev. A00

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Before You Begin: Dell Precision 360 Service Manual

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Before You Begin

Dell Precision™ 360 Service Manual

Recommended Tools
Precautionary Measures
Protecting Against Electrostatic Discharge

This section provides procedures for removing and replacing the components, assemblies, and subassemblies in the Dell
Precision™ 360 computer. Unless otherwise noted, each procedure assumes that the following conditions exist:

You have performed the steps in "Precautionary Measures"
You have read the safety information in your System Information Guide.
You have opened the computer cover.

NOTE: To remove or replace all other Dell Precision Workstation 360 components, see the Dell Precision Workstation

360 User's Guide.

Recommended Tools

Your computer is primarily a tool-less one, but certain procedures (such as removing the control panel) require the use of one
or more of the following tools:

Small flat-blade screwdriver
#1 and #2 Phillips-head screwdrivers
An 8-inch, #2 Phillips-head screwdriver

Precautionary Measures

Use the following safety guidelines to help protect your computer from potential damage and to ensure your own personal
safety.

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the

System Information Guide.

CAUTION: Do not attempt to service the computer yourself, except as explained in your online Dell™

documentation or in instructions otherwise provided to you by Dell. Always follow installation and service
instructions closely.

NOTICE: To help avoid possible damage to the system board, wait 5 seconds (or wait until the standby light is

extinguished) after turning off the computer and unplugging the power cable before removing a component from the
system board or disconnecting a device from the computer.

Before you start to work on the computer, perform the following steps in the sequence listed:

1. Shut down the computer through the Start menu.

2. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not
automatically turn off when you shut down your computer, turn them off now.

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Before You Begin: Dell Precision 360 Service Manual

NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the

network wall jack.

3. Disconnect any telephone or telecommunication lines from the computer.

4. Disconnect your computer and all attached devices from electrical outlets, and then press the power button to ground
the system board.

In addition, take note of these safety guidelines when appropriate:

When you disconnect a cable, pull on its connector or on its strain-relief loop, not on the cable itself. Some cables have
a connector with locking tabs; if you are disconnecting this type of cable, press in on the locking tabs before
disconnecting 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.

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 inside your computer. To prevent static damage, discharge static electricity
from your body before you touch any of your computer's electronic components, such as the microprocessor. You can do so
by touching an unpainted metal surface on the computer chassis.

As you continue to work inside the computer, periodically touch an unpainted metal surface to remove any static charge your
body may have accumulated.

You can also take the following steps to prevent damage from electrostatic discharge (ESD):

When unpacking a static-sensitive component from its shipping carton, do not remove the component from the
antistatic packing material until you are ready to install the component in your computer. Just before unwrapping the
antistatic packaging, be sure to discharge static electricity from your body.

When transporting a sensitive component, first place it in an antistatic container or packaging.
Handle all sensitive components in a static-safe area. If possible, use antistatic floor pads and workbench pads.

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Inside Your Computer: Dell Precision 360 Service Manual

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Inside Your Computer

Dell Precision™ 360 Service Manual

Mini-Tower Computer
Desktop Computer
Cable Colors – Mini-Tower and Desktop Computers
System Board Components
Jumper Settings

CAUTION: Before performing any of the procedures in this section, follow the safety instructions in the

System Information Guide.

CAUTION: To avoid electrical shock, always unplug your computer from the electrical outlet before opening

the cover.

CAUTION: To prevent static damage to components inside your computer, discharge static electricity from

your body before you touch any of your computer's electronic components. You can do so by touching an
unpainted metal surface on the computer chassis.

NOTICE: Be careful when opening the computer cover to ensure that you do not accidentally disconnect cables from

the system board.

Mini-Tower Computer

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Inside Your Computer: Dell Precision 360 Service Manual

1 hard drive 6 heat sink and blower

assembly

2 internal speaker

(optional)

3 chassis intrusion switch 8 floppy drive (optional)
4 system board 9 CD/DVD drive
5 padlock ring

7 power supply

Desktop Computer

1 CD/DVD drive 6 microprocessor airflow shroud
2 floppy drive 7 security cable slot
3 hard drive 8 power supply
4 system board 9 chassis intrusion switch
5 padlock ring

Cable Colors – Mini-Tower and Desktop Computers

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Inside Your Computer: Dell Precision 360 Service Manual

Device Cable Color

Hard drive Blue pull tab
Floppy drive Black pull tab
CD/DVD drive Orange pull tab
I/O panel Yellow pull tab

System Board Components

1 floppy-drive connector (FDD) 14 AGP card connector (AGP)
2 secondary-drive connector

(SEC_IDE)

3 hard-drive connector (IDE1) 16 front-panel audio cable connector (FP_AUDIO)
4 battery socket (BATTERY) 17 telephony connector (TELE)
5 password jumper

(PASSWORD)

6 SCSI LED header (SCSI_LED) 19 power connector (12V_PWR)
7 front-panel connector 20 rear fan connector (REAR_FAN1)

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15 PCI card connectors (PCI1, PCI2, PCI3, PCI4)

NOTE: Full length PCI cards are supported in slots 1, 3, and 4. 64-bit cards are

supported in slots 2, 3, and 4.

18 CD drive audio cable connector (CD_IN)

Inside Your Computer: Dell Precision 360 Service Manual

(FRONT_PANEL)

8 standby power light

(PWR_LED)

9 internal speaker (SPKR) 22 microprocessor and heat-sink connector (CPU_0 PIN_#A1)
10 clear CMOS jumper (CMOS) 23 microprocessor fan connector (CPU_FAN)
11 serial ATA connector

(SATA_1)

12 front fan (FRONT_FAN) 25 power connector (PWR)
13 serial ATA connector

(SATA_0)

21 rear fan connector (REAR_FAN2)

24 memory module connectors (1, 3)

26 memory module connectors (2, 4)

Jumper Settings

NOTICE: Ensure that your computer is turned off and unplugged before you change the jumper settings. Otherwise,

damage to your computer or unpredictable results can occur.

To change a jumper setting, pull the plug off its pin(s) and carefully fit it down onto the pin(s) indicated.

Jumper Setting Description

PSWD

(default)

CLR_CMOS

(default)

Password features are enabled.

Password features are disabled.

Clears the CMOS settings

Normal CMOS function

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Inside Your Computer: Dell Precision 360 Service Manual

jumpered unjumpered

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