Noctua NH-U9DO A3 Handleiding

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Caution:When 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.)L.N.A.

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 [email protected]. Noctua cannot be held responsible for

any damage or losses caused by compatibility issues.

NH-U9DO A3

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Installation Manual(for NH-U12DO A3, see reverse side)

Applying thermal paste

Step 2:

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.

Caution: Applying too much thermal paste will lower the heat

conductivity and cooling performance!

Step 1:

Attaching the fastening brackets

The NH-U9DO A3 includes fastening brackets for mainboards

with 3.5” and 4.1” hole spacing. Please choose the appropri-

ate set of fastening brackets for your mainboard:

Caution: Please take off the protection cover at the bottom side

of the heatsink first!

Put the heatsink onto the CPU and tighten the two spring-

loaded screws until they stop.

Step 3:

Fastening the cooler to the CPU

Required mounting parts:

1x NT-H1 thermal compound

2x NF-B9 92mm fan

4x anti-vibration-strips

1x screwdriver

4x fan clips

4x short screws

2x 4,1”

fastening brackets

2x 3,5”

fastening brackets

Step 4:

Stick the 2 anti-vi-

bration strips onto the

cooling fins in order to

dampen minor vibra-

tions emitted by the

fan.

Attaching the fan(s)

When installing the cooler turned by 90°, please use the sup-

plied screwdriver to tighten the screws.

Caution: Gently tighten the screws until they stop

Low-Noise Adapter (L.N.A.)

1300 RPM, 13.1 dB(A)

Ultra-Low-Noise Adapter (U.L.N.A.)

1000 RPM, 7.9 dB(A)

BlackBlue

Please install the fastening brackets according to the desired

orientation of the cooler:

Then attach the fan(s) to the heatsink using the steel clips,

placing it so that it blows onto the heatsink.

Install two of the steel clips onto the fan by putting the ends of the

steel clips into the mounting holes of the fan as shown below.

Add the second NF-B9

fan sucking air off the

rear side of the heatsink

for extra performance

(average gains 1-3°C).

Please make sure that

both fans are aligned in

the same direction.

Screw the fastening brackets to the base of the heastink using

the 4 short screws. Please use the outer set of mounting holes.

Socket G34 / Socket FSocket C32 / Socket F

Connect the fan(s) to the mainboard, power supply or fan con-

troller. Use the supplied y-split cable to connect both fans to

one fan header. 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 or-

der to further reduce the fan’s operating noise.

Caution: Please use one adaptor per fan when running two

fans with adaptors. Never use one adaptor for two fans by

putting it before the y-split cable.

Product specificaties