HP Kayak XU04 Hoja de especificaciones

HP MaxiLife®Hardware Monitoring

The described HP MaxiLife Hardware Monitoring feature is only valid for

HP Kayak XU Series 0441 and XW Series 0480 PC Workstations. These PC

Workstations are installed with the Intel Pentium® Xeon™processor.

HP MaxiLife® Hardware Monitoring

HP MaxiLife is a hardware monitoring chip which is resident on the system

board. Its responsibility includes On/Off and reset control, status panel

management (Lock button, LEDs), hardware monitoring (temperature and

voltage), early diagnostics (CPU, DIMMs, PLLs, boot start), run-time

diagnostics (CPU errors, package intrusions), and other miscellaneous

functions (such as special OK/FAIL symbols based on a smiling face).

HP MaxiLife Architecture

The HP MaxiLife chip continuously monitors temperature and voltage

sensors located in critical regions on the system board. This chip receives

data about the various system components via a dedicated I2C bus, which is

a reliable communications bus to control the integrated circuit boards.

LCD Status Panel

Serial EEPROM

PLLs (clocks) Speed up/slow down System Fans

I2C bus

HP MaxiLife

Pentium II

Xeon

Processor

Intel 440GX

AGPset

DIMM

Package

Intrusion

Sensor Temperature

Sensors

Voltage

Sensors

HP MaxiLife® Hardware Monitoring

The LCD Menu

To access the LCD main menu, press one of the LCD keys. This menu is

composed of several menu items which are displayed two at a time on the

LCD screen. The following menus are available:

•System Info. Obtains information from the BIOS and the system’s Serial

EEPROM from a previously successful boot. This information includes:

product name, BIOS version, serial number, the number of processors and

speed, size of memory for each DIMM socket. The BIOS logs information

in the serial EEPROM with SYSINFO.COM at the end of the boot.

•Boot Steps. Shows the Power-On Self-Test (POST) codes during the

system startup. The POST code is provided by the BIOS and is displayed

on the LCD panel as soon as it is available. If the system stops during the

startup, the last successful boot step POST code is displayed on the LCD.

•Diagnostics. Runs a set of diagnostics assessing the system’s components

(CPU presence, CPU power errors, power supply, clocks, and DIMM

presence). To view the test results for each system component, press

button. If no errors are detected, a screen will display a smiling face. If an

error is detected, an error screen appears indicating the problem.

Using HP MaxiLife When the Computer Is Powered Off

NOTE HP MaxiLife is powered by VSTBY. This means that it is functional as soon as

the power cord is plugged in. For HP MaxiLife to work correctly, the PC

Workstation must always be connected to a grounded outlet.

Even if the computer is powered off (the LCD status panel will be blank),

HP MaxiLife is still running and monitoring the state of the LCD buttons.

From this state, the diagnostics program can be run by pressing one of these

buttons. When the Power on option is selected, the main power supply is

started, enabling the hardware monitoring chip to access the status of the

computer’s components. Although the main power supply has been started,

the computer does not continue to complete a normal boot.

The system components are tested in sequence (press the Next button to

move on to the following test).

HP MaxiLife® Hardware Monitoring

When the diagnostics tests are complete, one of the following screens will be

displayed:

If no errors are detected, you can exit the test session, and the main power

supply will be turned off and the LCD status panel will become blank.

If an error is detected, a short message is displayed on the LCD status panel

describing the type of error (memory, processor) that occurred. For

example, the message DIMM FOUND: 0 would be displayed if no memory

modules could be located. You can then choose whether to continue viewing

the results of the remaining tests.

NOTE If the Diags program is run when the system is off, it returns to the Off state

when exiting the test session. On/Off transitions are accompanied with a

‘Please wait’ screen to allow HP MaxiLife to power on and off correctly.

Diagnostics:

Done OK

Exit

Diagnostics:

Done FAIL

Exit

HP MaxiLife® Hardware Monitoring

HP MaxiLife Test Sequence and Error Messages

When the PC is turned on (pressing the ON/OFF button), the system

initiates the normal startup sequence which is composed of the following

steps:

• Basic pre-boot diagnostics.

• BIOS launch.

• POST phase.

• Operating System boot phase.

If any errors are detected during the startup sequence, HP MaxiLife will not

necessarily ‘freeze’ the system. However, some critical hardware errors are

fatal to the system and will prevent the system from starting (for example,

‘Power’, and ‘Board PLL’ are serious malfunctions that will prevent the CPU

to work correctly)

Errors that are not so critical (for example, ‘CPU Socket’ for missing

terminator, or ‘NO RAM’) will be detected both during pre-boot diagnostics

and POST where the BIOS boot process will abort after beeping. The

MaxiLife LCD status panel will display the error. Some errors, such as the

‘RAM type’ error, are only detected during POST sequence, and will entail

the same abort process.

Finally, while the PC is working, fan and temperature controls can be

reported (for example, a fan error will be reported if a fan cable is not

connected). This type of error disappears dynamically when the problem

has been fixed (for example, the fan cable has been reconnected).

The different diagnostics are described below.

Basic Pre-boot Diagnostics

The first diagnostic (called basic pre-boot diagnostics) is run to check the

presence of the processor(s) or terminators, VRMs, power supply, CPU

Board PLL and DIMMs.

The pre-boot diagnostic tests are run in order of priority with respect to

their importance to computer functions. Refer to the table BIOS Launch and

POST Phase, on page 9 for test sequences, failure messages and action to

take to solve any problems.

HP MaxiLife® Hardware Monitoring

HP MaxiLife Test Sequence and Error Messages

The first detected error displays a message on the LCD status panel. If this

happens, one of the following screens could appear.

The following diagram shows how the Pre-boot Diagnostics works when it

encounters an error.

Error!

Power supply

Error!

CPU Socket

Error!

Power CPU 1

Error!

Board PLL

Missing or

incorrectly installed

CPU or Terminator.

Presence of CPUs or

Terminators in the Processor Slots Control of Some Voltages: VRMs, 12V

Error!

Power CPU 2

VRM or CPU power supply are not connected.

If an Error ! Power is displayed, the likely cause could be t

the power supply is not connected, or the VRM is installed

an unpopulated CPU socket (unsupported configuration).

CPU Board is not connected, or the

system board needs replacing.

Control of the CPU Board

Error!

RAM type

No Dimms are

detected.

Number and Compatibility of

DIMMs

Installed DIMMs are not

compatible. This is in fact

the BIOS that is checking

the inserted DIMMs.

Error!

No RAM

Video board is not installed.

This test is executed by the

BIOS.

Video Board

Error!

No Video

Error!

CPU Socket

HP MaxiLife Firmware

LCD Status Panel

I2C Bus

DIMM 2

Voltage CPU1, CPU2

Voltage 12V

CPU or Terminator

PLL Frequence

Vcc State (5V)

PGOOD (VRM output)

An error has been detected when checking the

CPU and Terminator. The displayed error mes-

sage could indicate a missing CPU or Terminator.

DIMM 1

HP MaxiLife® Hardware Monitoring

HP MaxiLife Test Sequence and Error Messages

The following table shows the test sequence carried out, the type of error

message, and the action to take.

Table 1 Basic Pre-boot Diagnostics

Test Error Code Action to Take

Presence of a processor in the BOOT PROC [1]

processor slot. This is test is for a single

processor system only.

NO CPU 1 • Check that the processor is correctly installed in the BOOT

PROC [1] slot.

Presence of either CPU or Terminator in the

processor slot.

CPU SOCKET • Check CPUs and Terminator and VRM of installed processor.

Number of installed DIMMs NO RAM • Check that the memory module is correctly installed in the

memory socket.

Control of some voltages: VRMs, 12V POWER SUPPLY • Check the power supply connectors, VRM, CPU. In a single

processor system, check that the VRM is not plugged into the

terminator socket.

The error message could also show: Power CPU1 and Power

CPU2.

Test of the correct power signals to the CPU.

The power supply may be OK, whereas the VRM

is not.

POWER • Check that the VRM, processor and terminator are correctly

installed.

• Check that the VRM is not plugged on a socket with a

terminator (this could be the likely cause).

• Check or replace the VRM.

• Check the power supply unit connectors.

Presence of VRMs and their associated

processor.

POWER CPU • Check that the VRMs are correctly installed in their VRM

sockets.

POWER CPU 1 - Check VRMs sockets 1 and 2.

POWER CPU 2 - Check VRM socket 3.

POWER CACHE - Check VRM socket 2.

Presence of a VRM in VRM socket 2. This test is

for both single and dual processor systems.

POWER CACHE • Check that the VRM is correctly installed in VRM socket 2.

Check the system board clock generators (PLL). BOARD PLL • Check the power supply connector.

• Replace the system board (PLL clock generator).

Compatibility of DIMMs. The BIOS checks that

the inserted DIMMs are both compatible with

one another, and compatible with the Front Side

Bus frequency.

RAM TYPE • Check the installed memory modules. This error occurs when

mixing incompatible memory modules, or when mixing

Unbuffered and Registered memory modules.

HP MaxiLife® Hardware Monitoring

HP MaxiLife Test Sequence and Error Messages

Post Test Sequence and Post Error Codes

In order to check that the CPU is able to run the BIOS boot code (POST

phase) from the first CPU instructions through to DIMM detection, HP

MaxiLife firmware waits for a synchronization event from the BIOS. Any

failure that prevents the execution of the firmware will therefore trigger the

BIOS error and will display the following message on the LCD status panel.

Then, the BIOS executes the Power-On Self Test (POST) sequence. In this

phase, HP MaxiLife waits for any error messages that the BIOS may issue. If

such an error occurs, then a screen similar to the following example is

displayed. The error code that appears on the LCD status panel is the same

as the one that appears on the PC screen. If the POST issues several error

codes, only the last one is visible on the LCD status panel.

Availability of video controller. It is checked by

the BIOS. If an error is detected, it is not a fatal

one and the BIOS will continue its execution

normally.

NO VIDEO • Check that the video controller is correctly installed.

Note: No error is detected if a monitor is not connected to an

installed video controller. This is not a fatal error and the BIOS will

continue its normal execution.

Table 1 Basic Pre-boot Diagnostics

Test Error Code Action to Take

Error!

BIOS

Error!

POST XXXX Where XXXX = POST

error code

HP MaxiLife® Hardware Monitoring

HP MaxiLife Test Sequence and Error Messages

The following diagrams show the different BIOS-generated errors.

Operating System Boot Phase

If no error message has been displayed at this stage of the system startup by

the BIOS, the operating system is launched and the LCD status panel will

display the system platform and a “smiling icon.”

BIOS

LCD Status Panel

DIMM 1

There is a timeout of 3 sec-

onds before the message is

displayed on the LCD status

panel and video display.

“read DIMM 1” HP MaxiLife

“Spy DIMM 1”

“BIOS” ERROR

Error!

BIOS

Error!

No Video

“BIOS”-Generated Errors

DIMM 1

DIMM 2

Video

Slots

BIOS

System issues a Beep Code

before attempting to

display the error code.

“No Video”

“RAM type” HP MaxiLife

LCD Status Panel

Table 2 BIOS Launch and POST Phase

Test Error Code Action to Take

In order to detect whether the CPU is able to run

a given code, HP MaxiLife waits for a

synchronization event from the BIOS. Any failure

that prevents the execution of the firmware will

trigger an error.

BIOS • Flash the latest version of the system BIOS by using the system

recovery procedure. Set switch 10 to the down position.

• Check that the RAM is correctly installed.

• Check that the CPU is firmly inserted.

The BIOS then executes the Power On Self Test

(POST) sequence. In this phase, HP MaxiLife

waits for any error messages that the BIOS may

issue.

POST XXXX • If the screen is working, you can obtain the meaning of the

error by typing “Enter” at the end of the POST. Or, you can

check the list of errors available on the HP World-Wide Web

support page: http://www.hp.com/go/kayaksupport

HP MaxiLife® Hardware Monitoring

HP MaxiLife Test Sequence and Error Messages

Run-Time Errors

During the normal usage of the PC, HP MaxiLife continualy checks some of

the vital system parameters. These include: temperature errors, fan

malfunctions, power voltage drops, board PLL problems and CPU problems.

If several alarms or errors are active at the same time, they will be displayed

by cycling every second through four “alarm sources”, with one error cause

for each source:

• Pre-boot diagnostics.

• Run-Time error 1.

• Run-Time error 2.

• POST error.

The run-time errors are organized into two different sources.

Run-Time error 1: “Temperature I/O slot”, “Power errors”, “Fan CPU”,

“Board PLL”.

Run-Time error 2: “Temperature disk”, “Temperature CPU”, “Fan disk”,

“Fan I/O slot”, “CPU error”.

If both fan for disks and I/O slot are not connected (both are run-time

error 1), only the “Fan disk” (run-time error 2) will be displayed.

Main Menu

The main menu is displayed when any of the LCD buttons from are presed

(HP MaxiLife LCD status panel can be accessed even though the PC is

turned off). The Main Menu comprises of three sub-menus: System Info,

Boot Steps and Diagnostics.

Table 3 Run-Time Errors

Test Error Code Action to Take

During normal usage of the PC, HP MaxiLife

continually checks vital system parameters. If an

error should occur, a message would be

automatically displayed on the LCD panel.

FAN CPU • Check the connection of the corresponding component, which

could be: “Temp IO slot”, “Power errors, “Fan CPU”, “Board

PLL”, “Temp disk”, “Temp CPU”, “Fan disk”, “Fan IO slot”, “CPU

error”.1

1. Special cases: Board PLL = System board needs replacing. CPU error = Reset or power off the system to recover.

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