Difference between revisions of "NS PC87391"

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Latest revision as of 15:10, 22 January 2021

NS PC87391

This is a National Semiconductor SuperIO chip

Note: National Semiconductor sold the SuperIO product line to Winbond Electronics


  • Serial (16550A compatible)
  • Parallel
  • Floppy
  • IrDA 1.1
  • PS/2 keyboard/mouse

Linux support

This chipset is supported by recent 2.4 and 2.6 kernels

IrDA function is not enabled on the G41



ThinkPads this chip may be found in