Asus RT-AC88U

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Contents


Hardware Specifications



px200
FCC ID: MSQ-RTGW00
Industry Canada ID: 3568A-RTGW00
CPU: Broadcom BCM4709C0 (1.4 GHz, 2 cores)
Flash / RAM: 128 / 512 MiB
Expansion IFs: 1 x USB 3.0, 1 x USB 2.0
JTAG: yes, 5-pin header, unpopulated
Serial: yes, 4-pin header, unpopulated, internal, 3.3V TTL
Wl1 Chip1: Broadcom BCM4366
Wl1 MIMO config: 4x4:4
Wl1 protocols: a/n/ac
Wl2 Chip1: Broadcom BCM4366
Wl2 MIMO config: 4x4:4
Wl2 protocols: b/g/n
ETH Chip1: Broadcom BCM4709C0
Switch: Realtek RTL8365MB
LAN / WAN ports: 8 / 1 (up to 1 Gb/s)


Build Size Limit

The linux mtd partition is 62.0 MB, however, the CFE limits flash size to ~27 MB.

35531: 28241920 (26.9336 MB)
35667: 28393472 (27.0781 MB)


MTD Boot Partitions

From dmesg output:

nflash: squash filesystem with lzma found at block 29
Creating 4 MTD partitions on "nflash":
0x000000000000-0x000000080000 : "boot"
0x000000080000-0x000000200000 : "nvram"
0x000000200000-0x000004000000 : "linux"
0x0000003b3e80-0x000004000000 : "rootfs"
[...]
Northstar brcmnand NAND Flash Controller driver, Version 0.1 (c) Broadcom Inc. 2012
NAND device: Manufacturer ID: 0xc8, Chip ID: 0xd1 (Unknown NAND 128MiB 3,3V 8-bit)
[...]
Creating 1 MTD partitions on "brcmnand":
0x000004000000-0x000008000000 : "brcmnand"


Installation

Initial Flash

Prerequisites

  1. Download the asus_rt-ac88u-firmware.trx file from the asus-rt-ac88u folder.
    • NOTE: You may optionally use the asus_rt-ac88u-firmware.trx file from the experimental_driver folder under the asus-rt-ac88u folder.
    • See here for more info.
  2. Download and Install the ASUS Firmware Restoration Tool version 2.1.0.3 from the Asus Support Website (direct link)
    • Optional: Download abnd Install the ASUS Device Discovery Tool version 1.4.8.3 to discover the IP of your router if unknown (direct link)

Procedure

NOTE: The ASUS Firmware Restoration Tool is the preferred / recommended method for initial flash. The other procedures are provided as alternatives.

Using The ASUS Firmware Restoration Tool

Using the ASUS Mini CFE web server

  • Similar to above, but using a web browser instead of the ASUS Firmware Restoration Tool

Manually via AsusWRT WebUI

Upgrading DD-WRT

Prerequisites

  1. Download the asus_rt-ac88u-firmware.trx file from the asus-rt-ac88u folder.
    • NOTE: You may optionally use the asus_rt-ac88u-firmware.trx file from the experimental_driver folder under the asus-rt-ac88u folder.
    • See here for more info.

Procedure

  1. Set a static IP of 192.168.1.5 (or similar IP address within your configured subnet) on the PC you are using to upgrade firmware.
  2. Open a browser to http://192.168.1.1 (or whatever you've set your router IP to).
  3. Go to Administration -> Firmware Upgrade tab.
  4. Click on "Browse", locate and select previously downloaded asus_rt-ac88u-firmware.trx file.
  5. Click on the "Upgrade" button.
    • Please allow up to 10 minutes for the firmware upgrade process to complete. Do not disconnect your PC or power cycle your router during this process.
  6. Once the router has rebooted, click on "Continue" (if the Setup -> Basic Setup tab has not returned automatically) or point
    your browser to http://192.168.1.1 if you end up with a "Connection reset or other navigation error page in your browser.
  7. At this point, check in the webUI that the version of DD-WRT is the version you intended to upgrade to.
    • Please report in the Broadcom sub-forum successful flash reports or any other issues in the appropriate build thread for your firmware version.


Notes

Also refer to the Asus guides Category at the bottom. Router model thread: Asus RT-AC88U AC3100