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PowerBoot
Restoring Default Values
PPC/CPCI-690
After parameters have been edited, a checksum is calculated to protect the
NVRAM contents from offset 7C00
eters. If you have changed a value, restoring the default values is only pos-
sible by means of either removing the battery from the board or writing a
wrong value into the protected NVRAM range. This results in a wrong
NVRAM checksum and leads to a restoration of the default values after the
next boot up.
If you want to restore the default values via the NVRAM, proceed as fol-
lows:
1. PowerBoot:
m f0107c00
2. <Enter>
3. f0107c00
32313130 : 1
4. <Enter>
5. <Ctrl+C>
6. PowerBoot: reset
to 7FF0
containing all edited param-
16
16
Booting the Board
4 - 11
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