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Diffstat (limited to 'flashrom.8')
| -rw-r--r-- | flashrom.8 | 13 |
1 files changed, 13 insertions, 0 deletions
@@ -670,6 +670,19 @@ and flashrom will attempt to detect it and abort immediately for safety reasons. More information about flashrom on laptops is available from .sp .B " http://www.flashrom.org/Laptops" +.SS +One-time programmable (OTP) memory and unique IDs +.sp +Some flash chips contain OTP memory often denoted as "security registers". +They usually have a capacity in the range of some bytes to a few hundred +bytes and can be used to give devices unique IDs etc. flashrom is not able +to read or write these memories and may therefore not be able to duplicate a +chip completely. For chip types known to include OTP memories a warning is +printed when they are detected. +.sp +Similar to OTP memories are unique, factory programmed, unforgeable IDs. +They are not modifiable by the user at all. +.RE .SH LICENSE .B flashrom is covered by the GNU General Public License (GPL), version 2. Some files are |