Asus RT-AC56U

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(Not a build recommendation)
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=Flashing DD-WRT Firmware= =Flashing DD-WRT Firmware=
-Brainslayer builds for ARM Broadcom routers have their own directory. Do not use the ./broadcom*/ directories.+Brainslayer builds for ARM Broadcom routers have their own directory. Do not use the ''/broadcom*/'' directories.
-Example: [ftp://ftp.dd-wrt.com/betas/2017/12-14-2017-r34080/asus-rt-ac56u/asus_rt-ac56u-firmware.trx asus_rt-ac56u-firmware.trx] Do not consider this a build recommendation. [https://www.dd-wrt.com/wiki/index.php/Index:FAQ#Where_do_I_download_firmware.3F New build release links]<br>+Example: [ftp://ftp.dd-wrt.com/betas/2017/12-29-2017-r34311/asus-rt-ac56u/asus_rt-ac56u-firmware.trx asus_rt-ac56u-firmware.trx] tested [https://www.dd-wrt.com/phpBB2/viewtopic.php?p=1111613#1111613 here] but this isn't a recommendation. New build links: [[Index:FAQ#Where_do_I_download_firmware.3F|here]].<br>
Kong also [http://www.desipro.de/ddwrt/K3-AC-Arm/Supported%20Models supports] the AC56U: [http://www.desipro.de/ddwrt/K3-AC-Arm/ dd-wrt.v24-K3_AC_ARM_STD.bin] Kong also [http://www.desipro.de/ddwrt/K3-AC-Arm/Supported%20Models supports] the AC56U: [http://www.desipro.de/ddwrt/K3-AC-Arm/ dd-wrt.v24-K3_AC_ARM_STD.bin]
*Flash through the GUI or using the bootloader recovery mode (see below) *Flash through the GUI or using the bootloader recovery mode (see below)
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=Overclocking= =Overclocking=
 +The following commands should be run via [[Telnet/SSH and the command line|SSH or Telnet]]:
 +<pre>
 +nvram set clkfreq=1200,800 (click enter)
 +nvram commit && reboot (click enter) - router may freeze, wait several minutes before rebooting manually
 +</pre>
 +According to the thread below, monitor CPU temp, it should stay below ~60 degrees Celcius.
 +For comparison - the stock is 800 MHz CPU / 533 MHz Memory
 +
https://www.snbforums.com/threads/overclocking-rt-ac56u.12578/ https://www.snbforums.com/threads/overclocking-rt-ac56u.12578/
[[Category:Asus guides]] [[Category:Asus guides]]

Current revision

Contents

[edit] Hardware Specifications

FCC ID: MSQ-RTAC56U (or MSQ-RTAC56UA)

  • CPU: Broadcom BCM4708A0 (800 MHz, 2 cores)
  • Flash / RAM: 128 MiB / 256 MiB
  • WAN: 1 port, 10/100/1000
  • LAN: 4 ports, 10/100/1000
  • USB: 2 ports, USB 3.0, USB 2.0
  • WI1: Broadcom BCM4352, an+ac
    1. MIMO config: 2x2:2
    2. Antenna connector: none
  • WI2: Broadcom BCM43217, bgn
    1. MIMO config: 2x2:2
    2. Antenna connector: none
  • ETH chip1: Broadcom BCM4708A0
  • Switch: Broadcom BCM4708A0
  • Power Supply: 19V (DC) @ max 1.75A

[edit] RT-AC56S

This uses the single-core CPU variant (BCM47081A0), has 128 MiB RAM, and different power supply. There is no evidence that it is supported at all, despite the FCC ID being listed as MSQ-RTAC56UA (CPU in the Internal Photos is BCM4708A0). Do not try AC56U firmware on an AC56S unless willing to brick. AsusWRT-Merlin might work on the AC56S with AC56U firmware, but no official support is mentioned.

[edit] Flashing DD-WRT Firmware

Brainslayer builds for ARM Broadcom routers have their own directory. Do not use the /broadcom*/ directories. Example: asus_rt-ac56u-firmware.trx tested here but this isn't a recommendation. New build links: here.
Kong also supports the AC56U: dd-wrt.v24-K3_AC_ARM_STD.bin

  • Flash through the GUI or using the bootloader recovery mode (see below)
  • Reset after flashing; do not 30-30-30
  • Set a password, and then configure the router.

[edit] Reset

Do not use 30-30-30 hard reset on any ARM router.

  1. Power off the unit.
  2. Press and hold on to the WPS button.
  3. While holding down the WPS button, power on the unit.
  4. Keep holding the WPS button until the power led starts to blink a few times.
  5. When the power led starts blinking / flashing, release the WPS button.

[edit] Recovery Mode Flashing

  1. Reset the router (see above)
  2. Power off the unit.
  3. Press and hold on to the reset button.
  4. While holding down the reset button, power on the unit.
  5. Keep holding the reset button until the power led starts to blink on and off repeatedly (recovery mode).
  6. Plug the computer running the ASUS recovery tool into a LAN port on the router.
  7. Run the ASUS Recovery software, select the correct firmware, and click the "Upload" button.
  8. The ASUS recovery software should detect the router and start to upload.
  • If it doesn't detect the router, try disabling the firewall, or disable then re-enable the network adapter.
  1. Once flashed and rebooted, set your network adapter settings back to DHCP.
  2. Reset again (see above), and open 192.168.1.1 in the browser.

[edit] OEM Firmware Installation

  1. Download the Asus firmware and recovery tool (or use any TFTP utility)
  2. Set a static IP of e.g. 192.168.1.5, subnet 255.255.255.0 (Gateway & DNS blank or 192.168.1.1)
  3. Do a reset and use the Asus recovery mode to flash the OEM firmware.

[edit] VLAN Configuration

https://www.dd-wrt.com/phpBB2/viewtopic.php?p=907650#907650

[edit] Overclocking

The following commands should be run via SSH or Telnet: 

nvram set clkfreq=1200,800 (click enter)
nvram commit && reboot (click enter) - router may freeze, wait several minutes before rebooting manually

According to the thread below, monitor CPU temp, it should stay below ~60 degrees Celcius. For comparison - the stock is 800 MHz CPU / 533 MHz Memory

https://www.snbforums.com/threads/overclocking-rt-ac56u.12578/

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