Reference Guide
MappedResource Indicates the type of memory mapped 
I/O. MappedResource defines if memory 
or I/O is mapped, and for I/O, if the 
mapping is to a memory or a port space. 
Memory mapped I/O values are as 
follows:
1- Other
2- Mapped memory
3 - I/O mapped to memory space
4- I/O mapped to port space
uint16
CIM_DMA
The CIM_DMA class described in DMA Properties contains DMA information. A DMA channel allows certain types of data transfer 
between RAM and a device to bypass the microprocessor.
Table 51. CIM_DMA Properties
Class Name:
CIM_DMA
Parent Class:
CIM_SystemResource
Property Description Data Type
CSCreationClassName See Common Properties of Classes string
CSName. See Common Properties of Classes string
CreationClassName See Common Properties of Classes string
DMAChannel A part of the object’s key value, the DMA 
channel number.
uint32
Availability Availability of the DMA. Availability values 
are defined as follows:
• 1 - Other
• 2 - Unknown
• 3 - Available
• 4 - In Use/Not Available
• 5 - In Use and Available/Shareable
uint16
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