IBM BladeCenter HX5 Installation And User Manual page 50
Type 7873, 7872, 1910 and 1909
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Also See for BladeCenter HX5:
- Product manual (31 pages) ,
- Implementation manual (580 pages) ,
- Brochure & specs (2 pages)
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Memory must be installed in pairs of DIMMs per processor installed. DIMMs must
be the same size, speed, and technology within installed pairs.
If a single processor is installed, it can access the first eight DIMM slots. The
following table lists the memory configurations and installation order for the
BladeCenter HX5 when one processor is installed.
Table 6. System memory configuration for a single processor (1 microprocessor)
Installed
memory
1
2 DIMMs
X
4 DIMMs
X
6 DIMMs
X
8 DIMMs
X
The following table lists the memory configurations and installation order for the
BladeCenter HX5 when two processors are installed.
Table 7. System memory configuration for a two processors (2 microprocessors)
Installed memory
1
2 DIMMs
X
4 DIMMs
X
6 DIMMs
X
8 DIMMs
X
10 DIMMs
X
12 DIMMs
X
14 DIMMs
X
16 DIMMs
X
Important: If you are installing memory in a scalable blade complex, you should
install the DIMMs to have a balance of memory among processors. Additional
memory can be installed in the top-most BladeCenter HX5 of the scalable blade
complex blade server so that you do not need to disassemble the scalable blade
complex. For example, if you are installing four DIMMs in a scalable blade
complex consisting of two BladeCenter HX5 blade servers, you would install two
DIMMs (in sockets 1 and 4) of each blade server.
If one processor is installed, memory mirroring is set up as follows:
If two processors are installed, memory mirroring is set up as follows:
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IBM BladeCenter HX5 Type 7873, 7872, 1910, and 1909: Installation and User's Guide
2
3
X
X
X
X
2
3
4
5
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Table 8. Memory mirroring with one processor
DIMM Quadrant
DIMM 1, DIMM 2, DIMM 3, DIMM 4
DIMM socket
4
5
X
X
X
X
X
X
X
DIMM socket
6
7
8
9
10
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Mirrored Quadrant
DIMM 5, DIMM 6, DIMM 7, DIMM 8
6
7
X
X
11
12
13
14
15
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
8
X
X
X
16
X
X
X
X
X
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