HP Integrity rx4640 Operation And Maintenance Manual page 156

Removing and Replacing Components
System Memory DIMMs
NOTE One DIMM filler board covers two adjacent DIMM slots. As a general rule, only remove DIMM slot fillers as
you add memory and the correct configuration will always remain.
Table 7-1 DIMM Filler Requirements for 16 DIMM Extender Board
DIMMs Loaded
4 DIMMs in quad 0
8 DIMMs in quads 0 and 1
12 DIMMs in quads 0, 1, and 2
16 DIMMs in quads 0, 1, 2, and 3
a. One DIMM filler board covers two adjacent DIMM slots.
Table 7-2 DIMM Filler Requirements for 32 DIMM Extender Board
DIMMs Loaded
4 DIMMs in quad 0
8 DIMMs in quads 0 and 1
156
16 DIMM Extender Board
6 fillers total:
2 fillers in quads 1, 2, and 3
(all quads filled)
4 fillers total:
2 fillers in quads 2 and 3
(all quads filled)
2 fillers total:
2 fillers in quads 3
(all quads filled)
No fillers required
32 DIMM Extender Board
12 fillers total:
2 fillers in quads 1, 3, 4, 5, 6, and 7
(quad 2 remains unfilled)
8 fillers total:
2 fillers in quads 4, 5, 6, and 7
(quads 2 and 3 remain unfilled)
a
Fillers Required
a
Fillers required
Chapter 7