Dell Inspiron 2100 Guida utente

Conventions: Dell™ Dimension™ 2100 System

Reference

Notes, Notices, and Cautions

Typographical Conventions

The following subsections describe notational conventions used in this

document.

Notes, Notices, and Cautions

Throughout this guide, blocks of text may be accompanied by an icon and

printed in bold type or in italic type. These blocks are notes, notices, and

cautions, and they are used as follows:

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.

Typographical Conventions

The following list defines (where appropriate) and illustrates typographical

conventions used as visual cues for specific elements of text throughout this

document:

•

Interface components are window titles, button and icon names, menu

names and selections, and other options that appear on the monitor

screen or display. They are presented in bold.

Example: Click OK.

•

Keycaps are labels that appear on the keys on a keyboard. They are

enclosed in angle brackets.

Example: <Enter>

•

Key combinations are series of keys to be pressed simultaneously

(unless otherwise indicated) to perform a single function.

Example: <Ctrl><Alt><Enter>

•

Commands presented in lowercase bold are for reference purposes

only and are not intended to be typed when referenced.

Example: “Use the format command to . . . .”

In contrast, commands presented in the Courier New font are part of an

instruction and intended to be typed.

Example: “Type format a: to format the floppy in drive A.”

•

Filenames and directory names are presented in lowercase bold.

Examples: autoexec.bat and c:\windows

•

Screen text is a message or text that you are instructed to type as part

of a command (referred to as a command line). Screen text is presented

in the Courier New font.

Example: The following message appears on your screen:

No boot device available

Example: “Type md c:\programs and press <Enter>.”

•

Variables are placeholders for which you substitute a value. They are

presented in italics.

Example: DIMM_x(where xrepresents the memory socket designation).

Technical Overview: Dell™ Dimension™ 2100 System

Reference

Internal View

Power Supply

Back-Panel Features

DC Power Cables

System Board Connectors and Sockets

DC Power Connector Pin Assignments

System Board Configuration Jumper

Control Panel Connector (J9F2) Pin

Assignments

Internal View

Front-panel release

5.25-inch drive bay

3.5-inch drive bays

Hard drive

Power supply

AC power connector

I/O panel

Security cable slot

Release latch and padlock

ring

Back-Panel Features

Mouse connector

Parallel connector

Keyboard connector

USB connectors (2)

Video connector

Serial connector

Diagnostic code lights (4)

System Board Connectors and Sockets

Microprocessor connector (J5H1)

Speaker (LS9A1)

Memory sockets (BANKn)

Configuration jumper (J7A1)

Fan connector (J3J1)

Power light

3.3-V power connector (OPTIONAL

POWER)

Card connectors (natural color) (PCIn)

Secondary IDE channel connector (SEC

IDE)

Serial connector (COM1)

Control panel connector (J9F2)

Parallel connector; sometimes referred to

as LPT1 (PARALLEL)

Floppy drive interface connector

(FLOPPY)

Video connector (VIDEO)

Primary IDE channel connector (PRI IDE)

USB connectors (USBn)

Power input connector (POWER)

Mouse connector (MOUSE)

Battery socket (BATTERY)

Keyboard connector (KEYBD)

Wakeup On LAN connector (WOL)

System Board Configuration Jumper

NOTE: The red dot in the jumper denotes pin 1.

Jumper

Setting Jumper Description

Pins 1-2

jumpered

(Normal

In Normal mode, system setup settings and

installed passwords are retained when the

computer starts up. In this mode, an automatic

mode)

recovery is attempted if the BIOS detects that

any of its main blocks are corrupted.

Pins 2-3

jumpered

(Maintenance

mode)

Starting the computer with the jumper set in

Maintenance mode automatically starts the

system setup program, adds

the Maintenanceoption to the menu bar, and

displays theMaintenance screen. This screen

provides the following option.

NOTICE: Entering Maintenance mode

returns all settings in the system setup

program to their defaults. Dell strongly

recommends that you record or print all

current settings before entering this

mode so that you can correct them

when the computer is reset to Normal

mode.

Clear All Passwords — Disables a

forgotten password so that you can access

the computer and assign new passwords.

For the complete password procedure,

see "Clearing Forgotten Passwords" in

the Solutions Guide.

Power Supply

The 145-watt (W) power supply can operate from an AC power source of 115

volts AC (VAC) at 60 hertz (Hz) or 230 VAC at 50 Hz. The power supply

provides the DC operating voltages and currents listed in the following table.

NOTE: The power supply produces DC voltages only under its loaded condition. The DC

power cable connectors must be connected to their corresponding power input connectors

on the system board or drives to measure these voltages.

DC Voltage Ranges

Voltage Range

Maximum

Output Current Notes

+3.3

VDC

+3.14 to

+3.47 VDC

10.00 A

The combined load on the +3.3-VDC and +5-

VDC outputs cannot exceed 85 W.

+5 VDC

+4.90 to

+5.25 VDC

16.00 A

The combined load on the +3.3-VDC and +5-

VDC outputs cannot exceed 85 W.

–5 VDC

–4.50 to –

5.50 VDC

0.300 A

+12

VDC

+11.40 to

+12.60 VDC

4.5 A

The +12-VDC output can withstand surges of up

to 11.0 A to support disk start-up operations.

–12

VDC

–10.80 to –

13.20 VDC

0.300 A

+5 VSB

+4.75 to

+5.25 VDC

1.2 A

The +5 volts standby (VSB) is sometimes called

volts flea power (VFP).

DC Power Cables

DC Power Connector Pin Assignments

The power-supply output voltages can be measured at the back (wire side) of

the DC power connectors without disconnecting them. The following figures

show the wire side of the connectors:

DC Power Connector P1

+5 VDC (red)

PSON#

(brown)

Common (black)

+5 VDC (red)

Common (black)

PWRGOOD

(orange)

–5 VDC (white)

+5 VFP (purple)

+5 VDC (red)

+12 VDC (yellow)

+5 VDC (red)

–12 VDC (blue)

+5 VDC (red)

Common (black)

Not connected

Common (black)

+5 VDC (red)

Pin 5 — PWRGOOD is a status signal generated by the power supply to

notify the computer that the DC operating voltages are within the ranges

required for proper computer operation.

Pin 11 — PSON# is activated by pressing and releasing the power button

while the power supply is in standby state. Activating PSON# connects the

power supply's PSON# input to ground, thereby switching the power supply to

full-on condition.

DC Power Connector P2

Common (black)

+3.3 VDC (orange)

DC Power Connector P3

+12 VDC (yellow)

Common (black)

+5 VDC (red)

DC Power Connectors P4, P5, and P6

+12 VDC (yellow)

Common (black)

+5 VDC (red)

Control Panel Connector (J9F2) Pin Assignments

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