hwMemoryDevEntry
1.3.6.1.4.1.2011.6.3.5.1.1
The Entries of hwMemoryDevTable.
The table is indexed by hwFrameIndex, hwSlotIndex and hwMemoryDevModuleIndex,
hwFrameIndex - the index of frame of the device. for example, hwFrameIndex
equals 0 in NE16.
hwSlotIndex - the slot number of the device, the MAX value varies with
different devices.
hwMemoryDevModuleIndex - for the purpose of extension.In single CPU devices
(NE16,eg.), its value equals 0.