Bryston SP3 Manual page 56

APPENDIX J: FIRMWARE UPLOAD INSTRUCTIONS continued
Firmware revision 2012.11 and later do not automatically redefault internal configuration
parameters and setups, therefore upgrading from a firmware earlier than 2012.05e may
cause software errors after power up, if a parameter introduced in the latest revision did
not exist in the old revision being replaced. If that happens upgrade first to revision
2012.05e ( ftp://bryston.com/pub/firmware/sp3/2012.05e/SP3.bin
parameters, and then upgrade to the latest firmware.
If the upload followed by self-programming fails for whatever reason
reverts to factory default which has a suffix 'f', that is in this case the firmware revision
reads as f2012.05e (or earlier) but functionally it is identical to the firmware with 'u'
prefix. If the bootloader reverted the firmware to a factory backup, it is recommended to
upload the new firmware file again and to watch the sequence of events. The upload
should last about 1 minute, followed by a reboot (all automatic, it is not necessary to
press anything). Then the screen will remain dark for another minute or so, while the
standby LED begins flashing a multicolor codes - first a few short blink codes, followed
by about 1 second long yellow or magenta (erase stage) followed by a few seconds of
long red (self-programming stage). Then the system will attempt an automatic restart,
the screen will show the boot logo picture, then the new firmware revision number and
then the normal idle screen will show up. However, the standby LED will remain lit
yellow or magenta for another 10 seconds while executing an automatic self check.
During that time it may optionally, automatically reprogram the keypad processor - do
not power off at this stage! If the new software crashes during the time when the
standby LED was lit, or if the processor gets unplugged or if another upload is started
from the ethernet link by accidentally restarting the upload sequence (for example,
pressing browser "Reload/Refresh" button), the self check may fail which will force the
bootloader to reload the factory backup firmware on the next power up.
Firmware 2012.11 or later, do not automatically redefault the system configuration
parameters (in EEPROM memory) like the previous updates. This may potentially
cause a startup failure if some newly introduced parameters are not initialized, it also
depends on the old configuration status. This should not happen when upgrading from
05e but may happen with some older revisions prior to 05e. In such a case it is
recommended to upgrade first to revision 05e. Use:
ftp://bryston.com/pub/firmware/sp3/2012.05e/SP3.bin
The first time 2012.11 boots after upgrading from 05e, it will display a message on
screen:
5
Most frequent cause are: an incomplete file transfer due to network errors, breaking browser connection
by accidentally exiting it in the middle of a transfer, inadvertently refreshing browser upload page in the
middle of a transfer or immediately after the first new boot-up when the standby LED is still lit, or
accidental power down.
EEPROM is incorrect!
Run MISCELLANEOUS->
DEFAULT EEPROM
SP3 Software Upload Instructions
) which will reset all
5
, then the system
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