User manual
∙ Plug the 20/24-pin connector into the socket provided on the motherboard� If
you have a 24-pin connection, place the remaining 4 pins in the correct position
before you plug the connector into the socket� If you have a motherboard with a
20-pin connector, fold the additional 4 pins to one side�
∙ Now plug the 12V-P4 or P8 connector for the CPU into the socket provided on
the motherboard�
5. SAFETY FUNCTIONS
All be quiet! power supplies have numerous safety functions� They are designed to
protect the power supply and the components connected to it against damage� If
one of these safeguards is triggered, the system will reboot or power o in most
cases� If this happens, you should immediately check the PC for errors�
For more info on troubleshooting see the “Troubleshooting” chapter�
The be quiet! Pure Power 11 series has the following safety functions:
OCP (Over current protection)
If the load on the individual circuits exceeds the specied limit, the power supply
is automatically switched o.
UVP (Undervoltage protection)
This safeguard is triggered if the voltage on the circuits drops below a certain limit�
The power supply is automatically switched o in this case.
OVP (Overvoltage protection)
The overvoltage safeguard is triggered if the voltage in the circuits is too high; the
power supply is deactivated�
SCP (Short circuit safeguard)
The fuse protecting the power supply’s secondary circuits prevents physical
defects of the power supply and the components connected to it�
OTP (Temperature safeguard)
In the case of excessive heat build-up in the power supply, the power supply
immediately and automatically switches o. You cannot switch it back on until it
has cooled down. Please ensure that the PC has sucient cooling.
OPP (overload protection)
This safeguard is triggered if the total output of the power supply exceeds
the specied maximum load. This can happen if the output of power supply is
insucient for the system (incorrectly dimensioned).
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