Noctua NH-U12DO
Contents
1. a second fan step 2 Applying thermal paste 2x black spring screws 4x short silver screws If there are residual traces of thermal paste or thermal pads on your CPU please clean them off first Press a small drop 4 5mm diameter of NT H1 onto the centre of the heat spreader 2x standard 2x 90 fastening brackets fastening brackets Caution Applying too much thermal paste will lower the heat conductivity and cooling performance 1x NT H1 thermal compound 1x NF P12 120mm fan 4x anti vibration strips 4x fan clips step 3 Fastening the cooler to the CPU Connect the fan to the mainboard power supply or fan control ler Depending on your CPU and the temperature inside the case you may interconnect the supplied Low Noise Adapter L N A or Ultra Low Noise Adapter U L N A in order to further reduce the fan s operating noise Take off the protection cover at the bottom side of the heatsink first Then put the cooler onto the CPU Align the mounting holes of the fastening brackets with those of the backplate 2x pressure springs step Now screw the fastening brackets to the mounting bars em Attaching the fastening brackets to the heatsink ploying the pressure springs and the respective screws Choose the fastening brackets according to the desired orienta tion of the cooler Low Noise Adapter L N A Ultra Low Noise Adapter U L N A 1100 RPM 16 9 dB A 900 RPM 12 6 dB A Caution Whe2. ep noctua NH U12D0 Installation Manual for NH U9DO see reverse side When employing the 90 fastening brackets please use the supplied mounting tool to tighten the springscrews Thank you very much for choosing a Noctua cooler for your AMD Opteron system Please install the cooler according to this manual Should you encounter any difficulties please check the FAQs on our website and don t hesitate to contact our support team at support noctua at Noctua cannot be held responsible for any damage or losses caused by compatibility issues Please note that the NH U12D0 is designed for Socket F with SAS 88 9mm 3 5 inch hole spacing It s thus not compatible with mainboards that have a hole spacing of 104 14mm 4 1 inch When using the 90 fastening brackets first stick the spring screws and springs into the fastening brackets Then screw them to the base of the heatsink tightly using 4 short screws Caution Tighten the screws until they stop step 4 Attaching the fan First stick the 2 anti vibration strips onto the cooling fins in order to dampen minor vibrations emitted by the fan Required mounting parts When using the standard fastening brackets tightly screw them oc Fe to the base of the heatsink using 4 short screws Then attach the fan to the heatsink using the 2 steel clips placing it so that it blows onto the heatsink You can optionally use the second pair of clips to install
3. n using the U L N A check the temperature of your CPU using appropriate software e g the respective applications of your mainboard manufacturer in order to evade automatic throttling of the CPU due to the increased temperature If the cooling performance is insufficient please increase case ventilation or remove the U LN A
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