Chapter 2 Hardware Installation

3.The BBU module is hot-swappable and can be independently swapped from the controller. However, as a safety precaution and just in case your memory still holds cached data, it is recommended to flush the unfinished writes using the “Controller Shutdown” command in firmware and remove the BBU module before handling the DDR RAM module. If the BBU is supplying power to the memory when the DDR module is being removed, damage may occur.

Step 1. Prepare an anti-static work pad for placing a removed controller. Use of an ESD grounding strap is highly recommended.

Step 2. Remove the pre-installed BBU module. Use a Phillips screwdriver to loosen the retention screw that secures the BBU module to the enclosure chassis and carefully remove the module. Carefully place the module for it contains Li-ION batteries. Do not drop it to the floor or place it near any heat source or fire.

Figure 2-2: Removing the BBU Module

Step 3. Remove the controller module. Remove the retention screws that secure the controller’s ejection levers using a cross-head screwdriver. Using both hands, simultaneously press the ejection levers downward until the controller is removed from the chassis.

Hardware Installation

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321 Studios GHDX2-2430S-24F4D manual Removing the BBU Module