Apple Mac Pro - Page 27

Mac Pro (Mid 2010) General Troubleshooting — Functional Overview 27
2010-08-31
Functional Overview
Processor Board
CPU A Heatsink Fan and Thermal Sensor
* Intermittent shutdown
* Freezes
* Noisy or fast fans
* Slow or reduced performance
CPU A
* Power & Fans, no boot/video
* Freezes
* Kernel panic
Northbridge, Heatsink and
Thermal Sensor
* Intermittent shutdown
* Freezes or unstable system
* Noisy or fast fans
* Slow or reduced performance
Backplane Interconnect
* No power
* No boot
* Intermittent freezes
* Kernel panic
Memory Slots 5-8
(Dual CPU conguration only)
* Kernel panic
* Reduced or slow system performance
* Thermal issues
* Frequent application crashes
CPU B
(Dual CPU conguration only)
* Only 1 CPU detected by system
* Freezes
* Kernel panic
CPU B Heatsink Fan and Thermal Sensor
(Dual CPU conguration only)
* Intermittent shutdown
* Freezes
* Noisy or fast fans
* Slow or reduced performance
Memory Slots 4-1
* Power and fans, no boot/video
* Kernel panic
* Reduced or slow system performance
* Thermal issues
* Frequent application crashes