Active Cool AC4G Operation & User’s Manual

Text of Active Cool AC4G User Guide:

• Entire contents of this manual © 2003 Active Cool Ltd. Ashkelon, Israel. Reproduction in whole or in part without permission is prohibited. Active Cool is a registered trademark of Active Cool Ltd. AC4G is a trademark of Active Cool Ltd. All other names are trademarks of their respective owners. Active Cool Service Department e-mail: doron@ac

• Active Cool AC4G, Package Contents 1. User’s Manual & Quick Start 2. AC4G PCI card 3. AC4G Cooling Unit (for either AMD or Intel) 4. 2 heat sink clips (Intel cooling unit only) 5. Power cord 6. Silicone compound (small sachet) Figure 1. Package contents Installation 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 k. heat sin Warning: If the computer has been in use the CPU area may be very hot. Do not touch any parts until you are sure they have cooled down. Cooling unit installation

• Active Cool AC4G, Figure 2. Figure 2. Cooling unit for AMD64 Heat Sink Cold Plate Heat Sink metal cli p CPU Fan Large connector (Input/Output) Small connector (Motherboard) 3 Apply a thin layer of silicone compound (from the small sachet) to the bottom of the cold plate. 4. Position the AC4G cooling unit on the CPU so that the cold plate sits squarely over the CPU. Figure 3. AMD unit heat sink clip: being secured (A); secured (B) 5. Use the heat sink clip (AMD) or clips (Intel) to clamp the cooling unit securely to the retention mechanism on the motherboard. PCI card installation 1. Place t

• Active Cool AC4G, Figure 3. PCI card inserted into a PCI slot 2. Connect the small connector to the CPU fan connector on the motherboard. 3. Connect the large connector to the input/output connector on the back of the AC4G PCI card (see Figure 7). Figure 4. AC4G PCI card – rear view 4. Disconnect the front and rear case fans from the PC power supply. Connect the front and rear fans to each other, and then connect them to the front/rear case fan connector on the back of the AC4G PCI card. 5. Verify that the CPU

• Active Cool AC4G, Figure 5. AC4G PCI card – bracket-side 7. Connect the PC to the electric mains. 8. Power up the PC. 9. Verify that the all three LEDs on the AC4G PCI card are lit. 10. Put the PC cover back on. Installation is complete. Operation In order for any cooling system to work efficiently there must be free air flow around the PC case. The PC should not be enclosed in a cabinet, and there should be at least 10cm between the back of the PC and the wall or furniture. 1. Connect the PC to the electric mains. 2. Connect the power plug on the bracket of the AC4G PCI card to the electric mains (100–240V). Note: Once AC4G is installed,

• Active Cool AC4G, Cooling modes The AC4G gives you cooling and noise reduction in a single system. It can be run in either of two modes: Extra-quiet mode (default) or Extra-cool mode (see Figure 7, page 8). In Extra-quiet mode, as the graph illustrates, AC4G control allows a small temperature increase (∆T) before turning the fans on. This minimizes fan noise, while maintaining a significant cooling advantage over conventional coolers. In Extra-cool mode, cooling begins whenever CPU temperature begins to rise. The result is an extra-cool CPU, with mildly increased fan noise. Figure 6. AC4G Cooling Modes Switching between modes The cooling mode for the system is determined by a removabl

• Warning: Disconnect the computer and the AC4G unit from the power source before removing or inserting the jumper. Figure 7. Location of the removable circuit jumper on PCI card Troubleshooting The blue LED on the bracket-side of the AC4G PCI card, next to the AC power connector (see Figure 5 page 6) indicates that the AC4G system is functioning properly. During nor

• Active Cool AC4G, Table 1: LED status summary LED State Meaning Blue ON continuously Normal operation. All systems OK. Blinks 5 times Transition from quiet mode to high-power cooling. OFF No AC current. Constant blinking CPU fan stalled. (If the CPU fan stalls blinking of the LEDs is preceded by a screen warning.) Green (inner) ON Receiving 5V through PCI connector. OFF Not receiving 5V through PCI connector. Green (outer) ON Receiving 12V through PCI connector. OFF Not receiving 12V through PCI connector. Blinking Short or overload in one of the fans. Troubleshooting suggestions Table 2: Troubleshooting suggestions Problem LED stat

• Active Cool AC4G, 10 Active Cool AC4G User's Manual Problem LED status Possible cause Action Blue and Green LEDs blinking. Overload from case fans. In the unlikely event of the case fans drawing more than 1 Amp, disconnect one or more case fans from the installation (and run them directly from their designated power supply). One or both green LEDs not lit. PCI card not connected properly to PCI slot. Remove AC4G PCI card and set it in the PCI slot again.

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