Dell PowerEdge 2550 Activating the Dell PERC 3/Di - Page 5

3 Align the memory module's edge connector with the slot in the center of the memory module socket, and insert the memory module into the socket (see Figure 1-2). The memory module socket has two alignment keys that allow you to install the memory module in the socket in only one way. NOTE: The RAID controller memory module must be an unbuffered memory module, rated to run at 100 MHz or faster. Do not substitute registered memory modules such as those used for system memory. 4 Press the memory module with your thumbs while pulling the ejectors with your index fingers to lock the memory module into the socket (see Figure 1-2). Figure 1-2. Installing a Memory Module memory module socket ejectors (2) alignment keys (2) 5 Examine the RAID hardware key (see Figure 1-3) to ensure that it is labeled for your system. Hardware keys intended for use in other systems will not enable the RAID controller. 6 If the key is the correct type, install the key in its socket on the system board (see Figure 1-1) and secure the key with the latches on each end of the socket (see Figure 1-3). Activating the Dell PERC 3/Di 1-3