Xerox 4540 Service Manual - Page 184

6. To remove a DIMM: a. Rotate both DIMM slot ejectors outward as far as they will go. The DIMM is partially ejected from the socket. See FIGURE 3-29. b. Carefully lift the DIMM straight up to remove it from the socket. ▼ To Install Memory Modules (DIMMs) (CRU) TABLE 3-18 lists the qualified part numbers for this component. These part numbers are subject to change over time. For an updated list of components, see the following web site: http://sunsolve.sun.com/handbook_pub/Systems/ TABLE 3-18 Sun Fire X4500/X4540 Supported DIMM Part Numbers Component 4GB DDR1-400 memory (2x2GB) (X4500) 4GB DDR2-667 memory (2x2GB), 512Mb based (X4540) 4GB DDR2-667 memory (2x2GB), 1GB based (X4540) 8GB DDR2-667 memory (2x4GB), 1GB based (X4540) 8GB DDR2-667 memory (2x8GB), 2GB based (X4540) Part Number #371-1964, X4231A-Z (X-option) #541-1313, X5034 (X-option) #541-3360, X4540 (X-option) #541-1304, X5035 (X-option) #541-3419, X8356A (X-option) Note - If you are installing DIMMs for the first time, the DIMMs must be populated in matching pairs. The first DIMMs installed must be installed in the slots furthest from the CPU. Then, the next two closest slots are populated, and so on. There are four DIMM slots for the X4500 and eight DIMM slots for the X4540. 3-64 Sun Fire X4500/X4540 Server Service Manual • May 2010