Macintosh: Which Models Provide SCSI Termination Power

On Macintosh systems with third-party internal SCSI hard drive, does the drive need to provide termination power, or does the Macintosh supply this power?
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The Macintosh Plus, Macintosh Portable, and some Macintosh PowerBook computers do not provide SCSI termination power. All other Macintosh computers with SCSI drives provide internal termination power. Macintosh computers which utilize an IDE-style hard drive do not supply termination power.

These PowerBook computers supply termination power
  • PowerBook 2400
  • PowerBook 3400
  • PowerBook G3
  • PowerBook G3 series
  • PowerBook Duo series

These PowerBook computers do not supply termination power
  • PowerBook 100 series
  • PowerBook 500 series
  • PowerBook 1400
Published Date: Feb 18, 2012