Intel D975XBX2KR Product Guide - Page 74
Lead-Free Desktop Board, Table 13. Lead-Free Board Markings - weight
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Intel Desktop Board D975XBX2 Product Guide Lead-Free Desktop Board This desktop board is lead free although certain discrete components used on the board contain a small amount of lead which is necessary for component performance and/or reliability. This desktop board is referred to as "Lead-free second level interconnect." The board substrate and the solder connections from the board to the components (second-level connections) are all lead free. Table 13 shows the various forms of the "Lead-Free 2nd Level Interconnect" mark as it appears on the board and accompanying collateral. Table 13. Lead-Free Board Markings Description Mark Lead-Free 2nd Level Interconnect: This symbol is used to identify electrical and electronic assemblies and components in which the lead (Pb) concentration level in the desktop board substrate and the solder connections from or the board to the components (second-level interconnect) is not greater than 0.1% by weight (1000 ppm). or 74