All MIBs › IBM-SYSTEM-MEMORY-MIB › ibmSystemPhysicalMemoryDataWidth
ibmSystemPhysicalMemoryDataWidth
Module: IBM-SYSTEM-MEMORY-MIB
OID (symbolic): IBM-SYSTEM-MEMORY-MIB::ibmSystemPhysicalMemoryDataWidth
OID (numeric): 1.3.6.1.4.1.2.6.159.1.1.120.1.1.6
Node type: OBJECT-TYPE
Type: Uint16
Access: read-only
Description: Data width of the PhysicalMemory, in bits. A data width of 0 and a TotalWidth of 8 would indicate that the Memory is solely used to provide error correction bits.
What is ibmSystemPhysicalMemoryDataWidth?
This object reports the usable data width, in bits, of a physical memory module, separate from any error-correction overhead. Admins use it together with ibmSystemPhysicalMemoryTotalWidth to identify modules that are dedicated purely to parity, which the MIB notes would show a data width of 0 alongside a total width of 8. For example, a standard non-ECC DIMM would typically report a data width of 64 bits matching its total width.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2.6.159.1.1.120.1.1.6 snmpwalk -v2c -c public <target> IBM-SYSTEM-MEMORY-MIB::ibmSystemPhysicalMemoryDataWidth
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.2.6.159.1.1.120.1.1.6.1 snmpget -v2c -c public <target> IBM-SYSTEM-MEMORY-MIB::ibmSystemPhysicalMemoryDataWidth.1
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OID Breakdown
Upper-level ancestors (12 from the standard OID tree / other modules)
| Numeric OID | Name | Module |
|---|---|---|
| 1 | iso | LANART-AGENT |
| 1.3 | org | AirPair-MIB |
| 1.3.6 | dod | AirPair-MIB |
| 1.3.6.1 | internet | AirPair-MIB |
| 1.3.6.1.4 | private | AirPair-MIB |
| 1.3.6.1.4.1 | enterprises | AirPair-MIB |
| 1.3.6.1.4.1.2 | ibm | ATM-ADAPTER-MIB |
| 1.3.6.1.4.1.2.6 | ibmProd | ATM-ADAPTER-MIB |
| 1.3.6.1.4.1.2.6.159 | director | IBM-Director-Agent-MIB |
| 1.3.6.1.4.1.2.6.159.1 | ibmSystem | IBM-SYSTEM-MIB |
| 1.3.6.1.4.1.2.6.159.1.1 | ibmSystemMIB | IBM-SYSTEM-MIB |
| 1.3.6.1.4.1.2.6.159.1.1.120 | ibmSystemMemory | IBM-SYSTEM-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.2.6.159.1.1.120.1 | ibmSystemPhysicalMemoryTable | IBM-SYSTEM-MEMORY-MIB |
| 1.3.6.1.4.1.2.6.159.1.1.120.1.1 | ibmSystemPhysicalMemoryEntry | IBM-SYSTEM-MEMORY-MIB |
| 1.3.6.1.4.1.2.6.159.1.1.120.1.1.6 | ibmSystemPhysicalMemoryDataWidth | IBM-SYSTEM-MEMORY-MIB |