China restriction of hazard substances (ROHS)
The Table of Hazardous Substances/Elements and their Content
As required by China’s Management Methods for Restricted Use of Hazardous Substances in Electrical and 
Electronic Products
  Hazardous Substances
Part Name Lead (Pb)
Mercury 
(Hg)
Cadmium 
(Cd)
Hexavalent 
Chromium 
(Cr(VI))
Polybrominated 
biphenyls (PBB)
Polybrominated 
diphenyl ethers 
(PBDE)
Battery X O O O O O
Cables X O O O O O
Camera X O O O O O
Chassis/Other X O O O O O
Fan X O O O O O
Flash memory card reader X O O O O O
Floppy disk drive X O O O O O
Hard disk drive X O O O O O
Headphones X O O O O O
Heat sink X O O O O O
I/O PCAs X O O O O O
Keyboard X O O O O O
Liquid crystal display 
(LCD) panel
X O O O O O
Media (CD/DVD/oppy) O O O O O O
Memory X O O O O O
Motherboard, processor, 
heat sinks
X O O O O O
Mouse X O O O O O
Optical disk drive X O O O O O
Optional docking device X O O O O O
Power adapter X O O O O O
Power supply X O O O O O
Projector X O O O O O
Remote control X O O O O O
Smart card/Java™ card 
reader
X O O O O O
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