I would say that the reason its not working is due to Power Supply Shutdown not Thermal Shutdown.
CPU 101 increase the MHZ increase the power demand on the VRM's
Type CPU / Microprocessor
Market segment Desktop
Family AMD Athlon 64 X2
Model number 6000+
CPU part numbers ADV6000IAA5DO is an OEM/tray microprocessor
ADV6000DOBOX is a boxed microprocessor
Stepping code NAAFG
Frequency 6000+ (rated)
3100 MHz (real)
Clock multiplier 15.5
Package 940-pin organic microPGA
Socket Socket AM2
Architecture / Microarchitecture
Microarchitecture K8
Processor core Brisbane
Core stepping G2
Manufacturing process 0.065 micron
221 million transistors
Data width 64 bit
The number of cores 2
Electrical/Thermal parameters
V core 1.1V - 1.4V
Maximum operating temperature ? 62°C
Thermal Design Power 89 Watt
Spec Lists these as compatible.