650 System Manual (Draft)
Version 0.4 August 20, 2008
57
Registry Keys
The registry key values are stored under
HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\J2Health
.
Below is an example of the key values.
Registry keys that are followed with the letters
MAX
or
MIN
are the J2 recommended
maximum or minimum value for the registry key with the same name.
Some values may only have a maximum or minimum value like
Voltage Battery,
Temperature CPU
because values at the other extreme no relevant meaning.
Voltages are assumed to have a minimum and maximum value of plus or minus 5% of
the rated voltage. For example: for
V3.3v
the maximum voltage that should be
read is 3.47v and the minimum value of 3.13v, are within J2’s operating specification.