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22 troubleshooting and diagnostics service manual – HP PAVILION NX9005 User Manual

Page 119

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3-22

Troubleshooting and Diagnostics

Service Manual

Beep Codes

POST Description

2-3-2-4

Initialize Multi Processor APIC

2-3-3-1

Enable external and CPU caches

2-3-3-2

Set up System Management Mode (SMM) area

2-3-3-3

Display external L2 cache size

2-3-3-4

Load custom defaults (optional)

2-3-4-1

Display shadow-area message

2-3-4-3

Display possible high address for UMB recovery

2-4-1-1

Display error messages

2-4-1-3

Check for configuration errors

2-4-2-3

Check for keyboard errors

2-4-4-1

Set up hardware interrupt vectors

2-4-4-2

Initialize Intelligent System Monitoring

2-4-4-3

Initialize coprocessor if present

3-1-1-1

Disable onboard Super I/O ports and IRQs

3-1-1-2

Late POST device initialization

3-1-1-3

Detect and install external RS232 ports

3-1-1-4

Configure non-MCD IDE controllers

3-1-2-1

Detect and install external parallel ports

3-1-2-2

Initialize PC-compatible PnP ISA devices

3-1-2-3

Re-initialize onboard I/O ports

3-1-2-4

Configure Motherboard Configurable Devices (optional)

3-1-3-1

Initialize BIOS Data Area

3-1-3-2

Enable Non-Maskable Interrupts (NMIs)

3-1-3-3

Initialize Extended BIOS Data Area

3-1-3-4

Test and initialize PS/2 mouse

3-1-4-1

Initialize floppy controller

3-1-4-4

Determine number of ATA drives (optional)

3-2-1-1

Initialize hard-disk controllers

3-2-1-2

Initialize local-bus hard-disk controllers

3-2-1-3

Jump to UserPatch2

3-2-1-4

Build MPTABLE for multi-processor boards

3-2-2-2

Install CD-ROM for boot

3-2-2-3

Clear huge ES segment register

3-2-2-4

Fix up Multi Processor table

3-2-3-2

Check for SMART Drive (optional)

3-2-3-3

Shadow option ROMs

3-2-4-1

Set up Power Management

3-2-4-2

Initialize security engine (optional)

3-2-4-3

Enable hardware interrupts

3-2-4-4

Determine number of ATA and SCSI drives

3-3-1-1

Set time of day

3-3-1-3

Check key lock

3-3-2-1

Initialize typematic rate

3-3-3-1

Erase F2 prompt

3-3-3-3

Scan for F2 keystroke

3-3-4-1 Enter

SETUP

3-3-4-3

Clear Boot flag

3-4-1-1

Check for errors

3-4-1-2

Inform ROMPilot about the end of POST

3-4-1-3

POST done—prepare to boot OS

3-4-2-2

Terminate QuietBoot (optional)

3-4-2-3

Check password (optional)

3-4-2-4

Initialize ACPI BIOS

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