Apple Power Macintosh 7100/80AV - Manual (Page 6)

Basics Power Macintosh System Overview - 4
of the fastest 68040- and 80486-based personal
computers, the real promise of PowerPC technology is that
it enables Apple and other developers to deliver new
software capabilities on Macintosh systems that were
previously available only on high-end workstations.
Troubleshooting Tips
When troubleshooting Power Macintosh systems, keep in
mind the following:
1 If a Power Macintosh system does not power up, you
should first attempt to reset the logic board. Instruc-
tions are provided in the Additional Procedures chapter.
2 With Power Macintosh computers, you must install
noncomposite RAM SIMMs only, and the RAM SIMMs
must be installed in like pairs (that is, the same size and
speed). Additional troubleshooting information is