______________________________ Installation A. Preparation 1. Shut down the computer, and disconnect it from the mains electricity supply. 2. Leave the computer to cool down, and then remove the existing CPU heat sink. Warning: If the computer has been in use the CPU area may be very hot.
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1. Apply a very thin layer of silicone compound (from the small sachet) to the surface of the CPU. 2. Position the AC4G-D cooling unit on the CPU so that the cold plate sits squarely over the CPU. Warning for AMD: The cooling unit for AMD has a small step in the base.
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9 pins are connected. 5. Connect the large connector of the cooling unit to the cooling unit connector on the back of the AC4G-D bay unit (see figure below). 6. Disconnect the front and rear case fans from the PC power supply.
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1. Connect the PC to the electric mains. 2. Power up the PC. As the PC powers up, the blue LED on the AC4G-D bay blinks five times, and then remains alight, indicating that AC4G-D is functioning properly. 3. If required use the switch on the AC4G-D bay to select a different cooling mode (see next section).
The LCD display When you switch your computer on, Mode 1 (Extra-quiet) is activated by default. The AC4G-D LCD display shows the temperature of the CPU and the current fan level. Note: Fan level (or speed) is not the same as mode. Each of the four modes controls fan speed in a different way, but each uses all four fan levels.
In those cases in which the product other that AC4G-D is provided together with this product, the following disclaimer applies: active cool hereby disclaims any and all warranties, express or implied, as to additional products provided together with AC4G-D.
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