HP rp3440 Rack to Tower and Tower to Rack System Conversion Guide, Second Edit - Page 12

warnings:static electricity, Potential Metallic Particulate Contamination, tools required

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Important Warnings Static Electricity Static Electricity CAUTION Static electricity can damage electronic components. Turn off all equipment when removing or adding components. Don't let your clothes touch the accessory. To equalize the static electricity, rest the accessory bag on top of the system while you are removing the accessory from the bag. Handle the accessory as little as possible and with care. Potential Metallic Particulate Contamination Metallic particulates can be especially harmful around electronic equipment. This type of contamination may enter the data center environment from a variety of sources, including, but not limited to, raised floor tiles, worn air conditioning parts, heating ducts, rotor brushes in vacuum cleaners or printer component wear. Because metallic particulates conduct electricity, they have an increased potential for creating short circuits in electronic equipment. This problem is exaggerated by the increasingly dense circuitry of electronic equipment. Over time, very fine whiskers of pure metal can form on electroplated zinc, cadmium, or tin surfaces. If these whiskers are disturbed, they may break off and become airborne, possibly causing failures or operational interruptions. For over 50 years, the electronics industry has been aware of the relatively rare, but possible, threat posed by metallic particulate contamination. During recent years, a growing concern has developed in computer rooms where these conductive contaminants are formed on the bottom of some raised floor tiles. Although this problem is relatively rare, it may be an issue within your computer room. Since metallic contamination can cause permanent or intermittent failures on your electronic equipment, Hewlett-Packard strongly recommends that your site be evaluated for metallic particulate contamination before installation of electronic equipment. Tools Required You will need a T-15 Torx driver to remove the pedestal mounting screws. 12 Chapter 2

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Important Warnings
Static Electricity
Chapter 2
12
Static Electricity
CAUTION
Static electricity can damage electronic components. Turn off all equipment when removing or
adding components. Don’t let your clothes touch the accessory. To equalize the static electricity,
rest the accessory bag on top of the system while you are removing the accessory from the bag.
Handle the accessory as little as possible and with care.
Potential Metallic Particulate Contamination
Metallic particulates can be especially harmful around electronic equipment. This type of contamination may
enter the data center environment from a variety of sources, including, but not limited to, raised floor tiles,
worn air conditioning parts, heating ducts, rotor brushes in vacuum cleaners or printer component wear.
Because metallic particulates conduct electricity, they have an increased potential for creating short circuits
in electronic equipment. This problem is exaggerated by the increasingly dense circuitry of electronic
equipment.
Over time, very fine whiskers of pure metal can form on electroplated zinc, cadmium, or tin surfaces. If these
whiskers are disturbed, they may break off and become airborne, possibly causing failures or operational
interruptions. For over 50 years, the electronics industry has been aware of the relatively rare, but possible,
threat posed by metallic particulate contamination. During recent years, a growing concern has developed in
computer rooms where these conductive contaminants are formed on the bottom of some raised floor tiles.
Although this problem is relatively rare, it may be an issue within your computer room. Since metallic
contamination can cause permanent or intermittent failures on your electronic equipment, Hewlett-Packard
strongly recommends that your site be evaluated for metallic particulate contamination before installation of
electronic equipment.
Tools Required
You will need a T-15 Torx driver to remove the pedestal mounting screws.