Chapter 1 System Overview 1-13
FIGURE1-8 CPU Modules in the M5000 Server
1.3.3 Memory BoardEach memory board provides a memory access controller(MAC) and eight DIMM
slots (FIGURE1-9 and FIGURE1-10). To remove or install memory boards, you must
power the server off. TABLE1-5 lists the memory board features.
Toinstall DIMMs, you must remove the memory board and open the case of the
memory board. The servers use Double Data Rate II (DDR-II) type memory with the
following features:
■Error Checking and Correction (ECC) error protection
■Recovery from memory chip failures
FIGURE1-9 and FIGURE1-10 illustrate the location of the memory boards in both
midrange servers.
TABLE1-5 Memory Board Features
Location Topof server
Cold FRU replacement capability Yes