Any computer ATX power supply will do, there are just two conditions: Next connect the power connector from your power supply to the K16 power connector. With PC fan however, you have to connect the fan after the board is powered up, otherwise PIC may fail to initialize. With devices from Liquid Synergy Designs, components were changed and any fan type can be used. If this is the case, refer to How to build section to determine correct fan type, or which components to change to be able to connect PC type fans. Most PC type fans do not have an open collector and connecting them is causing PIC to reboot constantly. In original design (without changed components), the fan circuit was designed to accept only fans with open collector at a fan tachometer output. With latest CGMiner and firmware you can not destroy the board with disconnected fan, but work will be throttled when board reaches critical temperature, thus giving lower hashrates. No speed regulation in this case.Ĭonnecting the fan is important. The board will regulate fan speed according to target temperature (can be configured in CGMiner) and measured board temperature, so you will do not wear the fan so quickly and K16 will be quieter.Īnother option is to use a fan with Molex power connector and connect this fan directly to the PSU power outputs. Using this connector brings one advantage - fan speed regulation. You have couple of options to do this.įirst one is to use on board fan connector. It is very easy to destroy fan circuit by shorting USB connector to one of the fan pin header pins. Make sure to connect USB cable to the board prior to powering it up. Refer to How to build section for more information about type fans, or which components to change to be able to connect any type of fan. Is this isn't helping, you can refer to Big troubleshoot section (again, you have to be capable of working with tools like hotair or oscilloscope) or you can return unit to manufacturer for RMA.ĭevice is constantly rebooting when fan is connected to onboard fan connector After programming, chips are usually stuck and powercycling restores normal state. In other case, return unit to the Manufacturer for RMA. Unit is faulty - if you're capable working with hotair and you have an oscilloscope, refer to Big troubleshoot section. Check if green LED is on.ĬGMiner wasn't compiled with -enable-klondike option. They should be all connected and not faulty. There is no on/off switch on the K16/K1, so as soon as power is applied, the green LED will light up.Ĭheck all the cables, especially USB. Check all the cables, check the PSU, if it is turned on. You will need a computer, any OS will do.ĬGMiner is the only one that supports K1 and K16 boards. One board consumes up to 60W of power, so scale your PSU accordingly. Good powersupply is a must, especially when running multiple boards. Klondike boards usually comes with Mini-PCIe female connector for power. USB type A male to USB type Mini B male for connecting your board with computer.įor connecting power to your board. When you're reading this, you probably already have one.
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