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Power management, System status, 2 power management – Compaq W4000 User Manual

Page 82

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Chapter 4 System Support

4.7.2 POWER MANAGEMENT


This system provides bas

liant firmware and

software. Key power-consuming components (pro

pset, I/O controll

can be

placed into a reduced power mode either automatically or by user control. The sy
b

events defined

specification

p

e

ted by this system are listed as



Event

Sy

bas

liant firmware and

software. Key power-consuming components (pro

pset, I/O controll

can be

placed into a reduced power mode either automatically or by user control. The sy
b

events defined

specification

p

e

ted by this system are listed as



Event

Sy

eline hardware support of ACPI- and APM-comp

eline hardware support of ACPI- and APM-comp

cessor, chi

cessor, chi

er, and fan)

er, and fan)

stem can then be

stem can then be

rought back up (“wake-up”) by

rought back up (“wake-up”) by

by the ACPI

by the ACPI

. The ACPI wake-u

. The ACPI wake-u

vents suppor

vents suppor

follows:

follows:

A

ACPI Wake-Up

CPI Wake-Up

stem

stem Wakes From

Wakes From

Power Button

Suspend or soft-off

RTC Alarm

Suspend or so

ff

ft-o

Wake On LAN (w/NIC)

Suspend or soft-off

PME

Suspend or soft-off

Serial Port Ring

Suspend or soft-off

USB Suspend

only

Keyboard Suspend

only

Mouse Suspend

only

4.7.3

NOTE: The LED indications listed in Table 4-15 are valid only for PS/2-type

SYSTEM STATUS


These systems provide a visual indication of system boot and ROM flash status through the
keyboard LEDs and operational status using bi-colored power and hard drive activity LEDs as
indicated in Tables 4-15 and 4-16 respectively.

keyboards. A USB keyboard will not provide LED status for the listed events, although
audible (beep) indications will occur.

Table 4-15. System Boot/ROM Flash Status LED Indications

Table 4-15.

System Boot/ROM Flash Status LED Indications


Ev

Sy

ent

NUM Lock

LED

CAPs Lock

LED

Scroll Lock

LED

stem memory failure [1]

Blinking

Off

Off

aphics controller failure [2]

Off

Gr

Blinking

Off

System failure prior to graphics cntlr. initialization [3]

Off

Off

Blinking

MPAQ diskette not present, faulty, or drive prob.

On

Off

Off

ssword prompt

Off

RO
Pa

On

Off

Invalid ROM detected - flash failed

Blinking [4]

Blinking [4]

Blinking [4]

Keyboard locked in network mode

Blinking [5]

Blinking [5]

Blinking [5]

Successful boot block ROM flash

On [6]

On [6]

On [6]

NOTES:

rt, 2 long audio beeps

[6] Accompanied by rising audio tone.

[1] Accompanied by 1 sho

[2] Accompanied by 1 long, 2 short audio beeps

[3] Accompanied by 2 long, 1 short audio beeps

[4] All LEDs will blink in sync twice, accompanied by 1 long and three short audio beeps

[5] LEDs will blink in sequence (NUM Lock, then CAPs Lock, then Scroll Lock)

Compaq Evo and Workstation Personal Computers

Featuring the Intel Pentium 4 Processor

Second Edition – January 2003

4-28