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| en:ztex_boards:ztex_fpga_boards:cluster_power_supplies [2012/04/19 10:09] – [USB-FPGA Modules 1.15y: Large clusters] stefan | en:ztex_boards:ztex_fpga_boards:cluster_power_supplies [2012/04/19 10:11] – [USB-FPGA Modules 1.15y: Large clusters] stefan | ||
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| - Connect the plugable terminal block of CON2 to the cables from PSU. Two GND wires (black, one if AWG16 cable is also sufficient) and +12V wires (yellow) are required. (GND wires are more critical in order to reduce current flows through USB cable) | - Connect the plugable terminal block of CON2 to the cables from PSU. Two GND wires (black, one if AWG16 cable is also sufficient) and +12V wires (yellow) are required. (GND wires are more critical in order to reduce current flows through USB cable) | ||
| - Cut off the HD connector / GPU connector / ATX12V connector (i.e. not the to-PSU plug) from the PSU cable and cut FPGA power cables to the desired length. | - Cut off the HD connector / GPU connector / ATX12V connector (i.e. not the to-PSU plug) from the PSU cable and cut FPGA power cables to the desired length. | ||
| - | - Strip off the insulation of the wire ends:\\ {{: | + | - Strip off the insulation of the wire ends:\\ {{: |
| - | - Crimp the bootlace ferrules to the wire ends. In the picture below wires from FPGA power cables are crimped together in groups of five (+12V) and 3 (GND).\\ {{: | + | - Crimp the bootlace ferrules to the wire ends. In the picture below wires from FPGA power cables are crimped together in groups of five (+12V) and 3 (GND).\\ {{: |
| - | - Not required but recommended: | + | - Not required but recommended: |
| - Connect the cables from PSU to the terminal block (delivered with the board) of CON2. The two outer contacts are GND (black) and the inner contact is +12V (yellow).\\ {{: | - Connect the cables from PSU to the terminal block (delivered with the board) of CON2. The two outer contacts are GND (black) and the inner contact is +12V (yellow).\\ {{: | ||
| - Connect the "Power on" (green wire) signal to a GND wire (black), see http:// | - Connect the "Power on" (green wire) signal to a GND wire (black), see http:// | ||
