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Line 36: == Color-coding scheme for connectors and ports == The perhaps most end-user visible and lasting impact of PC 99 was that it introduced a [[color code]] for the various standard types of plugs and connectors used on PCs. <ref>[http://www.microsoft.com/whdc/archive/pcguides.mspx PC 99 System Design Guide], Intel Corporation and Microsoft Corporation, 14 July 1999. Chapter 3: PC 99 basic requirements ([http://www.microsoft.com/whdc/archive/pcguides.mspx PC 99 System Design Guide (Self extracting .exe])]. Requirement 3.18.3: Systems use a color-coding scheme for connectors and ports. Accessed 2009-02-05</ref> As many of the connectors look very similar, particularly to a novice PC user, this made it far easier for people to connect peripherals to the correct ports on a PC. This color code was gradually adopted by almost all PC and [[PC motherboard\|motherboard]] manufacturers. Some of the color codes have also been widely adopted by peripheral manufacturers. {\| class="wikitable"

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