HP Xw9400 HP xw9400 Workstation - Service and Technical Reference Guide - Page 61

Service considerations, Read cautions, warnings, and safety precautions

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CAUTION: Observe the following cautions when removing or replacing a processor: - Installing a processor incorrectly can damage the system board. Contact an HP authorized reseller or service provider to install the processor. If you plan to install the processor yourself, read all of the instructions carefully before you begin. - Failure to follow the workstation preparation instructions can result in an improperly installed processor, causing extensive workstation damage. - Processor socket pins are delicate and bend easily. Use extreme care when placing the processor in the socket. CAUTION: To prevent damage to the workstation, observe the following Electrostatic Discharge (ESD) precautions while performing the system parts removal and replacement procedures: - Work on a static-free mat. - Wear a static strap to ensure that any accumulated electrostatic charge is discharged from your body to the ground. - Create a common ground for the equipment you are working on by connecting the static-free mat, static strap, and peripheral units to that piece of equipment. NOTE: HP accessories are for use in HP Workstation products. They have been extensively tested for reliability and are manufactured to high quality standards. Service considerations The following sections discuss service considerations that should be reviewed and practiced before removing and replacing any system components. WARNING! When lifting or moving the workstation, do not use the front bezel as a handle or lifting point. Lifting the workstation from the front bezel or lifting it incorrectly can cause the unit to fall and harm the user and damage the workstation. To properly and safely lift the workstation, lift it from the bottom of the unit. Read cautions, warnings, and safety precautions For your safety, review the cautions, warnings, and safety precautions before accessing the components of the workstation. Also, review the Safety and Regulatory Guide that came with your workstation for more information. WARNING! Some parts inside the computer will be hot. Power off and unplug the system, and wait three to five minutes for them to cool before opening the system access panels or touching internal components. Electrostatic discharge information A sudden discharge of static electricity from your finger or other conductor can destroy static-sensitive devices or microcircuitry. Often the spark is neither felt nor heard, but damage occurs. An electronic device exposed to electrostatic discharge (ESD) might not appear to be affected at all and can work perfectly throughout a normal cycle. The device can function normally for a while, but it has been degraded in the internal layers, reducing its life expectancy. Networks built into many integrated circuits provide some protection, but in many cases, the discharge contains enough power to alter device parameters or melt silicon junctions. ENWW Service considerations 51

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CAUTION:
Observe the following cautions when removing or replacing a processor:
— Installing a processor incorrectly can damage the system board. Contact an HP authorized reseller
or service provider to install the processor. If you plan to install the processor yourself, read all of the
instructions carefully before you begin.
— Failure to follow the workstation preparation instructions can result in an improperly installed
processor, causing extensive workstation damage.
— Processor socket pins are delicate and bend easily. Use extreme care when placing the processor
in the socket.
CAUTION:
To prevent damage to the workstation, observe the following Electrostatic Discharge
(ESD) precautions while performing the system parts removal and replacement procedures:
— Work on a static-free mat.
— Wear a static strap to ensure that any accumulated electrostatic charge is discharged from your body
to the ground.
— Create a common ground for the equipment you are working on by connecting the static-free mat,
static strap, and peripheral units to that piece of equipment.
NOTE:
HP accessories are for use in HP Workstation products. They have been extensively tested
for reliability and are manufactured to high quality standards.
Service considerations
The following sections discuss service considerations that should be reviewed and practiced before
removing and replacing any system components.
WARNING!
When lifting or moving the workstation, do not use the front bezel as a handle or lifting
point. Lifting the workstation from the front bezel or lifting it incorrectly can cause the unit to fall and harm
the user and damage the workstation. To properly and safely lift the workstation, lift it from the bottom
of the unit.
Read cautions, warnings, and safety precautions
For your safety, review the cautions, warnings, and safety precautions before accessing the components
of the workstation. Also, review the
Safety and Regulatory Guide
that came with your workstation for
more information.
WARNING!
Some parts inside the computer will be hot. Power off and unplug the system, and wait
three to five minutes for them to cool before opening the system access panels or touching internal
components.
Electrostatic discharge information
A sudden discharge of static electricity from your finger or other conductor can destroy static-sensitive
devices or microcircuitry. Often the spark is neither felt nor heard, but damage occurs. An electronic
device exposed to electrostatic discharge (ESD) might not appear to be affected at all and can work
perfectly throughout a normal cycle. The device can function normally for a while, but it has been
degraded in the internal layers, reducing its life expectancy.
Networks built into many integrated circuits provide some protection, but in many cases, the discharge
contains enough power to alter device parameters or melt silicon junctions.
ENWW
Service considerations
51