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toh:tp-link:tl-wr741nd [2014/03/05 18:55]
valentt
toh:tp-link:tl-wr741nd [2014/11/12 04:00] (current)
dhekkir dd can brick device if not enough space
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{{:meta:icons:tango:48px-emblem-important.svg.png?nolink |Important!}}Please **do not** dd your original firmware if it has no **"boot"** in its name, for example, **wr741nv1_en_3_11_1_up(100312).bin**, because if you do, **you will brick your router!** This was confirmed by [[https://forum.openwrt.org/viewtopic.php?pid=110583#p110583|supertom64]] {{:meta:icons:tango:48px-emblem-important.svg.png?nolink |Important!}}Please **do not** dd your original firmware if it has no **"boot"** in its name, for example, **wr741nv1_en_3_11_1_up(100312).bin**, because if you do, **you will brick your router!** This was confirmed by [[https://forum.openwrt.org/viewtopic.php?pid=110583#p110583|supertom64]]
 +
 +{{:meta:icons:tango:48px-emblem-important.svg.png?nolink |Important!}}If you do want to **dd**, first ensure that your partition has enough space for twice the size of the image, otherwise you will run out of space, get "Bus error" messages for every non-builtin shell command (including rm) and your device will be effectively bricked.
  *Cut first 0x20200 bytes from original firmware   *Cut first 0x20200 bytes from original firmware
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  *  Rotuer consumes between 0.5W and 1W, depending on the power supply voltage and load.   *  Rotuer consumes between 0.5W and 1W, depending on the power supply voltage and load.
  * The power adapter is rated 9V @ 0.6A . The router can be powered from a battery.   * The power adapter is rated 9V @ 0.6A . The router can be powered from a battery.
-  * V4.3 version of the router contains an MP1482DS step down voltage regulator, with the voltage range from 4.75V to 18V. This are absolute maximum ratings, other components might not be able to withstand this voltage range. 5V to 15V should be a safe range (don't try this on other versions that V4.3 if you aren't sure)+  * V2 and V4.3 versions of the router contains an MP1482DS step down voltage regulator, with the voltage range from 4.75V to 18V. This are absolute maximum ratings, other components might not be able to withstand this voltage range. 5V to 15V should be a safe range (don't try this on other versions than V2 or V4.3 if you aren't sure)
===== Bootloader Mods ===== ===== Bootloader Mods =====
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==== Buttons ==== ==== Buttons ====
I found that QSS button is BTN_1 and reset is BTN_0 I found that QSS button is BTN_1 and reset is BTN_0
 +(in openwrt 12.09 on HW version 4.25 I have "wps" and "reset")
See also http://eko.one.pl/?p=openwrt-button (in Polish, sorry) See also http://eko.one.pl/?p=openwrt-button (in Polish, sorry)
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  * mount_root - will mount the normal root filesystem   * mount_root - will mount the normal root filesystem
  * firstboot - all settings will be reset   * firstboot - all settings will be reset
-  * /rom/sbin/reboot - will reboot even without a mounted filesystem+  * reboot -f - will reboot even without a mounted filesystem
===== Basic configuration ===== ===== Basic configuration =====

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toh/tp-link/tl-wr741nd.1394042158.txt.bz2 · Last modified: 2014/03/05 18:55 by valentt