Site Preparation Guide, Fourth Editon - HP Integrity rx7620 Server

Chapter 1
Introduction
Detailed HP Integrity rx7620 Server Description
12
A quad seen in Figure 1-9 is a grouping of four DIMMs. Configurations with 8 or 16 DIMM slots loaded are
recommended. The DIMM sizes in a quad can be different but the DIMMs in an echelon must be the same
size.
Figure 1-9 DIMM Slot Layout
Table 1-4 DIMM Load Order
Number of DIMMs
Installed
Action Taken
DIMM Location
on Cell Board
Quad Location
2 DIMMs = 1 Echelon Install First 0A and 0B Quad 0
4 DIMMs = 2 Echelons Add Second 1A and 1B Quad 1
6 DIMMs = 3 Echelons Add Third 2A and 2B Quad 2
8 DIMMs = 4 Echelons Add Fourth 3A and 3B Quad 3
10 DIMMs = 5 Echelons Add Fifth 4A and 4B Quad 0
12 DIMMs = 6 Echelons Add Sixth 5A and 5B Quad 1
14 DIMMs = 7 Echelons Add Seventh 6A and 6B Quad 2
16 DIMMs = 8 Echelons Add Last 7A and 7B Quad 3
Rear Edge of Cell Board
Front Edge of Cell Board
DI MM 3B
DI MM 7B
DI MM 7A
DI MM 3A
DI MM 2B
DI MM 6B
DI MM 6A
DI MM 2A DI MM 0A
DI MM 5A
DI MM 4A
DI MM 4B
DI MM 0B
DI MM 1A
DI MM 5B
DI MM 1B
QUAD 3
QUAD 2
QUAD 1
QUAD 0
(Plugs into the Server Backplane)