Compaq GS160 - Manual (Page 62)

3-14 AlphaServer GS80/160/320 User's Guide
3.6 Memory Configurations
A memory module has eight DIMM slots. Two arrays (Array 0 and
Array 1), consisting of four DIMMs, can be installed on each module. A
directory DIMM is required for each array in systems having more
than four processors. Directory DIMMs are installed on the directory
module.
Figure 3–9 Memory Module and Directory Module
PK-0651-99
Array 0
Memory Module Directory Module
DIMM 0
DIMM 1
DIMM 2
DIMM 3
Array 1
DIMM 0
DIMM 1
DIMM 2
DIMM 3
DIMM 0
DIMM 1
DIMM 2
DIMM 3
DIMM 4
DIMM 5
DIMM 6
DIMM 7