Before you can start, remove the front bezel, you need to press the blue button on the right side. Put your finger into the hole to the left of the button. Pull out the plastic bezel from its position. Continue with a step on the bezel below the module you want to replace as well. Loosen the two screws on the front of the module until the white lever can be moved. Now press down the two white levers and pull them towards you to remove the module a bit from the chassis. Be careful. The module is heavy, so please use a server lift to move the module out completely, or have a second person help you to glide the module out completely.
First, you need to remove the top unit from the bottom unit. First release the metal pin on each side of the module. Then push the metal lever to its top position and pull it towards you to release the top unit from the locking mechanism. Now carefully release the top unit from the bottom unit. Identification of CPU and memory in Buliwanas CPB motherboard. Each module has 2 CPUs. From the front view, CPU 0 is on the right side, and CPU 1 is on the left side. Each CPU's memory controller works with 6 memory channels. Each of these channels host 2 DIMM, DIMM 0, and DIMM1. The channels are counted from A to M. Channels A to F are connected to CPU 0.
Channels J to M are connected to CPU 1. Channel numbering on the CPB board is matching with the DIMM identification in the BMC case of DIMM failures. Each CPU has 4 screws. To remove the heat sink and the CPU, you need to start to loosen the 4 screws backwards. This means starting with number 4, then 3, then 2, and finally loosen number 1. After all 4 screws have been loosened, carefully remove the heat sink and CBU from its socket. Before inserting the new CPU with heat sink, inspect the CPU socket for any physical damage or bent pins.
Before inserting the new CPU, verify that the black arrow on the CPU socket matches the position of the heat sink in the same way. Carefully insert the new heat sink with the CPU in the CPU socket. After installing the CPU and heat sink, take care to fasten all four screws of the CPU, but this time in the correct order from 1 to 4. To put the top unit back on the bottom unit, make sure the metal lever is in the correct position.
It needs to be pointing towards you with the locking lever open. Place the top unit carefully back on the bottom unit. Push the metal lever back and check that the locking mechanism is working properly as demonstrated in this video. Pushed the lever back down in its normal position.
Insert the module with 2 people, or you can use a server lift if available. Insert the module into the chassis. And pressed the module with two fingers in its final position. Push the two white levers in the up position to lock the server module. Fasten the two screws. And put back the two bezels you have removed.