A) Chip and Chipset are slang terms for I.C.Integrated Circuit,
http://en.wikipedia.org/wiki/Integrated_CircuitB) There is no chipset that just has a 71c on it.C) If you were performing board level repair, and replacing chipsets, you would KNOW what that chipset was, and where it goes,
http://ersa.com/art-ir-pl-650-346-1472.htmlScroll down, click on the Red -Take a few minutes to view the IR 650 demo videoD) What is the Model Number of the Gateway desktop computer, the motherboard is/was in?E) This is an example of one chipset that is replaceable by the user,
http://www.cpu-world.com/CPUs/Pentium_4/index.htmlIntel Pentium 4 @2.4GHz.This is a photo of a Ram Memory module ('Stick')It has chipsets on it. They are known as DRAM chips,
http://en.wikipedia.org/wiki/File:Generic_DDR_Memory_%28Xytram%29.jpgAn Nvidia GeForce 7900GS graphics card, might have G71 on it. That's the Code Name for the graphics CHIPSET used on it,
http://en.wikipedia.org/wiki/Comparison_of_Nvidia_graphics_processing_units#GeForce_7_.287xxx.29_serieshttp://www.ebay.com/itm/nVIDIA-GeForce-7900-GS-DUAL-DVI-and-HDTV-Out-Video-Card-Mfr-P-N-0HH748-/150900009196?pt=US_Monitor_Mounts_Stands&hash=item23225768ecThat goes in a PCI Express x16 expansion slot, on the motherboard.So...............awaiting your reply, post back in a Comment.Regards,joecoolvette