4-4 Sun Fire X4150 Server Service Manual • November 2009
■ All FB-DIMMs must be the same density (same type).
■ The Sun Fire X4150 Server supports the following configurations, such as:
■ 2 FB-DIMMs (minimum configuration)
■ 4 FB-DIMMs
■ 8 FB-DIMMs
■ 16 FB-DIMMs (fully populated configuration)
Any even number of DIMM's is allowed. The DIMMs must be populated in
matched pairs. The pairs must be identical in organization, size and speed. See
TABLE 4-1 for detailed configuration information.
■ At minimum, Group 1 must be fully populated with four FB-DIMMS of the same
density (same type).
■ 2 channels per branch, 4 slots per channel
■ 4 channels are A, B, C, D
■ 4 slot per channel
■ 16 total slots (A0-3, B0-3, C0-3, D0-3)
■ Install the highest-capacity DIMMs in the lowest-numbered DIMM slots.