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Chapter 7 Replacement and Installation of Memory 7-3
7.1 Memory Mounting Rules
This section explains the memory (DIMM) mounting conditions.
■ Section 7.1.1, “Confirmation of DIMM Information” on page 7-3
■ Section 7.1.2, “Memory Mounting Conditions” on page 7-4
The DIMMs on a motherboard unit are classified into group A and group B (see
FIGURE 7-1).
Caution – To replace or install a DIMM, do not fail to confirm the DIMM
information and comply with the conditions to mount the memory.
7.1.1 Confirmation of DIMM Information
Confirm the DIMM information (size/rank) in the following way.
■ Execute the showhardconf(8) command on XSCFU.
The “Type” field shows the DIMM size and the DIMM rank.
XSCF> showhardconf
...
MBU_A Status:Normal; Ver:0101h; Serial:PP0829045F ;
+ FRU-Part-Number:CA07082-D902 A1 /541-3302-01 ;
+ CPU Status:Normal;
+ Freq:2.520 GHz; Type:32;
+ Core:4; Strand:2;
+ Memory_Size:8 GB;
MEM#0A Status:Normal;
+ Code:ce0000000000000001M3 93T2950EZA-CE6 4145-473b3c23;
+ Type:1A; Size:1 GB;
MEM#0B Status:Normal;
+ Code:7f7ffe00000000004aEBE10RD4AJFA-5C-E 3020-223b2918;
+ Type:1A; Size:1 GB;
MEM#1A Status:Normal;
+ Code:7f7ffe00000000004aEBE10RD4AJFA-5C-E 3020-223b28af;
+ Type:1A; Size:1 GB;
MEM#1B Status:Normal;
+ Code:7f7ffe00000000004aEBE10RD4AJFA-5C-E 3020-223b28ab;
+ Type:1A; Size:1 GB;
...