HP Compaq d330 DT User Manual

Chapter 4 System Support
4.7.2 POWER MANAGEMENT
This system provides baseline hardware support of ACPI- and APM-compliant firmware and
software. Key power-consuming components (processor, chipset, I/O controller, and fan) can be
placed into a reduced power mode either automatically or by user control. The system can then be
brought back up (“wake-up”) by events defined by the ACPI specification. The ACPI wake-up
events supported by this system are listed as follows:
ACPI Wake-Up Event System Wakes From
Power Button Suspend or soft-off
RTC Alarm Suspend or soft-off
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 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
ndicated in Tables 4-13 and 4-14 respectively. i
NOTE: The LED indications listed in Table 4-13 are valid only for PS/2-type
keyboards. A USB keyboard will not provide LED status for the listed events, although
audible (beep) indications will occur.
Table 4-13. System Boot/ROM Flash Status LED Indications
Table 4-13.
System Boot/ROM Flash St Indicatus LED ations
Event
NUM Lock CA ck Scroll Lock
Blinking
LED
Ps Lo
LED LED
System memory failure [1] Off Off
Graphics controller failure [2] Off Blinking Off
System failure prior to graphics cntlr. initialization [3] Off Off Blinking
ROMPAQ diskette not present, faulty, or drive prob. On Off Off
Password prompt Off 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:
o beeps
ock, then CAPs Lock, then Scroll Lock)
[6] Accompanied by rising audio tone.
[1] Accompanied by 1 short, 2 long audio beeps
[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 audi
[5] LEDs will blink in sequence (NUM L
hp compaq d330 and d530 Series of Personal Computers
Featuring the Intel Pentium 4 Processor
First Edition – June 2003
4-26

HP Compaq d330 DT Specifications

General

Brand	HP
Model	Compaq d330 DT
Category	Desktop
Language	English