Buffer Memory Nvram - Siemens simatic ipc227e Operating Instructions Manual

Commissioning the device and device functions
4.4 Advanced device functions
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Call up the help function
See also
Instruction for File Based Write Filter
(http://msdn.microsoft.com/en-us/library/aa940926(WinEmbedded.5).aspx)
4.4.4

Buffer memory NVRAM

The motherboard is equipped with an NVRAM that applications can use to back up data in
the event of a power failure. Failure of the supply voltage for a duration longer than 5 ms is
indicated by the DC FAIL signal.
At least enough time is provided for copying data to the NVRAM so that 128 kB can be
backed up with the full configuration.
A memory window with a maximum size of 512 KB can be displayed by means of PCI
address register. The base address is initialized via the BIOS (see section "Input/output
address areas (Page 116)").
A corresponding function is implemented there for using the NVRAM under WinAC RTX.
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Add folder
Remove file
Remove folder
fbwfmgr /addexclusion C: \Test fold-
er
fbwfmgr /removeexclusion
C: \Test.txt
fbwfmgr /removeexclusion C: \Test
folder
fbwfmgr /?
Operating Instructions, 11/2016, A5E35782395-AB
SIMATIC IPC227E