IBM System x3850 X5 Implementation Guide

Chapter 3. IBM System x3850 X5 and x3950 X5 83
Figure 3-18 DIMM numbering on MAX5
Table 3-16 shows the population order of the MAX5 DIMM slots, ensuring that memory is
balanced among the memory buffers. The colors in the table match the colors in Figure 3-18.
Table 3-16 DIMM installation sequence in the MAX5
0
1
0
1
0
1
16 15 14 13
Memory
buffer
3
12 11 10 9 8 7 6 5
Memory
buffer
5
Memory
buffer
6
4321
0
1
Memory
buffer
4
0
1
0
1
Memory
buffer
1
DIMM 29
DIMM 30
DIMM 31
DIMM 32
32 31 30 29
DIMM 28 DIMM 27
DIMM 26
DIMM 25
28 27 26 25
Memory
buffer
2
0
1
0
1
Memory
buffer
8
DIMM 21
DIMM 22
DIMM 23 DIMM 24
24 23 22 21
DIMM 20
DIMM 19
DIMM 18
DIMM 17
20 19 18 17
Memory
buffer
7
DIMM 9
DIMM 10 DIMM 11 DIMM 12 DIMM 16
DIMM 15
DIMM 14
DIMM 13
DIMM 6
DIMM 5
DIMM 3 DIMM 4 DIMM 8
DIMM 7
DIMM 1 DIMM 2
Quad D
Quad C
Quad B
Quad A
Quad G
Quad H
Quad E
Quad F
DIMM pair DIMM slots
1
28 and 29
2
9 and 16
3
1 and 8
4
20 and 21
5
26 and 31
6
11 and 14
7
3 and 6
8
18 and 23

IBM System x3850 X5 Specifications

General

Processor Cores	Up to 10 cores per processor
Chipset	Intel 7500
Hard Drive Interface	SAS/SATA
Processor	Intel Xeon E7-4800 series, Intel Xeon E7-8800 series
Memory Slots	64 DIMM slots
Storage	Up to 16 x 2.5" hot-swap SAS/SATA HDDs or SSDs
RAID Support	RAID 0, 1, 5, 6, 10
Network Interface	Integrated Gigabit Ethernet
Operating System Support	Microsoft Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware vSphere
Form Factor	4U Rack