Editing R&D mode

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You can enable R&D mode by passing the <code>--enable-rd-mode</code> flag to the [[Documentation/Maemo 5 Developer Guide/Development Environment/Maemo Flasher-3.5|flasher]].
You can enable R&D mode by passing the <code>--enable-rd-mode</code> flag to the [[Documentation/Maemo 5 Developer Guide/Development Environment/Maemo Flasher-3.5|flasher]].
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Note: This flag does not need to be passed to the EMMC image if you are flashing that as well.
 
You must use a Linux or a Mac OS X computer to enable R&D Mode, as the Windows update wizard will not allow you to enable/disable R&D Mode. Although, the Windows flasher will disable R&D Mode if you use it to reflash a device that has R&D Mode already enabled.
You must use a Linux or a Mac OS X computer to enable R&D Mode, as the Windows update wizard will not allow you to enable/disable R&D Mode. Although, the Windows flasher will disable R&D Mode if you use it to reflash a device that has R&D Mode already enabled.
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To switch back to production mode, use <code>--disable-rd-mode</code>.
 
== What R&D mode does ==
== What R&D mode does ==
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You can enable some R&D mode flags (<code>flasher-3.5 --set-rd-flags=''<flag>''</code>) for various features:
You can enable some R&D mode flags (<code>flasher-3.5 --set-rd-flags=''<flag>''</code>) for various features:
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*<code>no-omap-wd</code> - Disables the watchdog on the OMAP processor.
 
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*<code>no-retu-wd</code> - Disables the watchdog on retu.
 
*<code>no-lifeguard-reset</code> - Disables the lifeguard process (lifeguard reboots the device when an important system process crashes).
*<code>no-lifeguard-reset</code> - Disables the lifeguard process (lifeguard reboots the device when an important system process crashes).
*<code>serial-console</code> - Enables the serial console (the serial port pins are next to the battery) and causes a shorter battery life.
*<code>serial-console</code> - Enables the serial console (the serial port pins are next to the battery) and causes a shorter battery life.
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*<code>no-omap-wd</code> - Disables the watchdog on the OMAP processor.
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*<code>no-retu-wd</code> - Disables the watchdog on retu.
*<code>no-usb-timeout</code> - Unknown
*<code>no-usb-timeout</code> - Unknown
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*<code>sti-console</code> - Unknown
 
*<code>no-charging</code> - Disables charging via the USB port. bme will still be running in the background.
*<code>no-charging</code> - Disables charging via the USB port. bme will still be running in the background.
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*<code>force-power-key</code> - Omap bootreason will be always pwr_key. Maemo system will not see any reboots or watchdog resets. Instead Maemo will think that device was started by power key.
 
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running the command without parameters gives a list of available modes:
 
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<code>flasher-3.5 --set-rd-flags</code>
 
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<pre>
 
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maemo_flasher-3.5_2.4.5.3_beta/flasher-3.5 --set-rd-flag
 
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flasher v2.4.5 (Jun 25 2009)
 
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Possible R&D flags:
 
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  no-omap-wd
 
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  no-ext-wd
 
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  no-lifeguard-reset
 
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  serial-console
 
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  no-usb-timeout
 
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  sti-console
 
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  no-charging
 
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  force-power-key
 
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</pre>
 
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It seems enabling of R&D mode is causing device ([[N900]]) to power up on battery insert and USB-connect.
 
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[[Category:Power users]]
[[Category:Power users]]

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