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Flash MBRAM MBWLAN Hardware
WLAN2.4WLAN5.0100M ports
Gbit ports
Archer C2 AC750v1, v1.1Media
Tek MT7620A
Tek MT7610EN, Media
Tek MT7620A
b/g/na/n/ac--1x 2.0

Current Release
OEM Info
Forum Topic
Technical Data
TP-LinkArcher C2 AC750v1, v1.122.03.5 data

Instruction phối Vendor bootloader System-On-Chip CPU/Speed Flash-Chip Flash kích thước RAM Wireless No1 Wireless No2 switch USB Serial
580 MHz
Winbond 25Q64BVSIG docs
8192 Ki
64 Mi
C-integrated: MT7620A 2.4GHz 802.11bgn
On-board chip: MT7610EN 5GHz 802.11ac
RTL8367RB Gigabit Switch
Yes 1 x 2.0

Current Release
Firmware Open
Wrt Install
Firmware Open
Wrt Upgrade
Firmware OEM Stock
Archer C2 AC750v1, v1.122.03.5

The following procedure is known to lớn work only on the v1 & v1.1 models. Please, don't try this on any other revision. You can kiểm tra which version your C2 is by looking at the bottom of it or, in the router's web interface, Status page, Hardware Version information, if you are using stock firmware.

Bạn đang xem: Tp

As per the instructions in the git commit adding support for the Archer C2 AC750 v1, you need an Open
Wrt image with integrated bootloader when flashing through TFTP (TP-Link pretty much always has the bootloader integrated in their firmwares).Open
Wrt 19.07.1 can be flashed via TFTP using an unofficial recovery image provided here; however, if you are familiar with the command line & have access khổng lồ a Linux box, it's recommended you build such an image yourself, as you'll be able to lớn use the latest Open
Wrt stable release. See instructions below.

Creating an Open
Wrt TFTP recovery image

The following instructions might break your router.Use only the provided recovery image if you don't understand what is going on.

Avoid renaming any arbitrary image to Archer
C2V1_tp_recovery.bin. Providing an image without proper bootloader to TFTP recovery bricks your router and needs flashing with a SPI programmer.

If you feel uncomfortable doing this, grab the prepped 19.07.1 image linked to lớn above & skip this section.

The C2v1 TFTP recovery overwrites the uboot partition, hence it must be included in a recovery.bin
An official stock TPLink firmware tệp tin has a 512 byte header, which needs lớn be stripped for TFTP.You need access to a Linux box for this procedure (Windows Subsystem for Linux ('WSL') might work as well).Instructions below are taken from the git commit that added support into Open

1. Download a stock TP-Link Firmware tệp tin from the TP-Link homepage.

2. Extract u-boot from the binary file:

$ dd if=c2v1_stock_firmware.bin of=c2v1_uboot.bin bs=1 skip=512 count=1310723. Now merge the Open
Wrt sysupgrade image và the u-boot into one binary:

$ cát c2v1_uboot.bin > Archer

Flashing Open

mix your computer's IP khổng lồ a static address (subnet mask and default gateway khổng lồ
to flash the recovery image, start a TFTP vps from IP address và serve the recovery image named 'Archer
Connect your device lớn the LAN port, then press the WPS/Reset button and power it up. Keep pressing the WPS/Reset button for 10 seconds
The device will try to download the recovery image & flash it. This might take up lớn 20-25 minutes khổng lồ finish. When done, the router will reboot itself.
After reboot, you can access Open
Wrt at From here on out, you can simply use sysupgrade with the vanilla Open
Wrt images lớn upgrade.
Remember lớn allow access to lớn your TFTP hệ thống program in firewall settings. (In case of Windows Firewall, it prompts you in first run.)

If you encounter timeouts, you might want to lớn put a switch between your router và client khổng lồ facilitate the flashing process. The tips below might not be needed after that.

Also, you might have lớn lower your ethernet link to 10 Mbps Half Duplex in order lớn finish the process.

A few users reported that flashing via TFTP is not always possible on some devices. Apparently there was a slight hardware change in some produced devices that causes TFTP inside u-boot khổng lồ expect RFC7440 behavior without actually requesting RFC7440 behavior.There is a forum thread with a detailed analysis of the issue and possible solutions.


If you want to stick to flashing via TFTP:

Otherwise your best option is lớn establish a serial connection khổng lồ the device và then load the image via kermit (either directly copying it into the flash or booting an initramfs variant from memory and then flashing via Open

Other variants and more information is provided in the aforementioned forum thread.

Similar instructions can be found as posted by Open
Wrt diễn đàn member yoq here. Old recovery image can be downloaded here.

Flash Layout

TP-Link Archer C2 AC750 v1 flash layout Layer0 Layer1 Layer2 mountpoint filesystem Layer3 kích thước in Ki
B Name mountpoint filesystem
raw NOR flash memory cpu (Spansion S25Fl064K spi0.0: s25fl064k) 8192 Ki
mtd0 u-boot mtd1 firmware 7808 Ki
mtd5 config mtd6 rom mtd7 romfile mtd8 radio
mtd2 kernel 1690 Ki
mtd3 rootfs 6117 Ki
mtd4 rootfs_data 1448 Ki
128 Ki
1690 Ki
4669 Ki
1448 Ki
64 Ki
64 Ki
64 Ki
64 Ki
u-boot kernel rootfs_data
none none /rom /overlay none none none none
none none Squash
JFFS2 none none none none

* These seemingly irregular values are the result of the dynamic mtd splitter resizing the Open
Wrt kernel và rootfs 'partitions' as needed. Sizes are extracted from a personalised build, so kernel, rootfs & rootfs_data values may slightly differ on stock Open
Wrt builds (and also between 19.07, 21.02 and master e.g.). Other partition sizes should be identical.

Back to lớn OEM firmware

The following procedure is known to lớn work on the v1 và possibly on v1.1 models.Please, don't try this on any other revision. You can check which version your C2 is by looking at the bottom of it or, in the router's website interface.The following instructions might break your router. It may be cautious to lớn make a full backup of your device using the methods mentioned in this article here.

Original instructions can be found as posted by Open
Wrt diễn đàn member Dbzafgt here (post #346).The same procedure was also detailed by Open
Wrt diễn đàn member alizes here.

1. Tải về the OEM firmware : Archer

2. In a Linux terminal, create a new stripped binary based on this original OEM firmware :

$ dd if=Archer
C2_v1_xxxxxx.bin of=stripped_OEM.bin skip=257 bs=5123. In the Luci web UI, flash this new stripped binary.Open
Wrt will then attempt to check this binary & will display warnings.You need khổng lồ force the flashing at this step.

4. The OEM firmware will start flashing and its website admin will be at after.


See the hardware details tab at the top of the page.

Pictures of the board

The case is a bit hard khổng lồ open, start with the two screws. Then start prying the lid from the bottom of the case, starting at the side with the ethernet connectors, There are 11 notches all around keeping the lid in place. They come loose by pushing the bottom part of the case outward.






At least one user has reported 3.3 V ngắn gọn xúc tích levels, not TTL (5 V) levels

Serial connection parameters for Archer C2 AC750 v1
115200, 8N1

The Serial connector is labeled 'J2', and is wired as follows. See picture below for the location on the board.

Ethernet side of PCB VCC ... Not used. GND -------------- GND of Serial adapter RX output đầu ra --> Rx of Serial adapter Led side of PCBWhere 'RX' connects to lớn the output đầu ra of your serial adapter, and TX, connects to the đầu vào of your serial adapter. You can verify this, by using a volt meter to kiểm tra that 'TX' sạc pin is at Vcc level, và the RX pin sạc is at GND level. The bootloader of the stock firmware can be interrupted by pressing a digit from 1 .. 7, press '4' for the u-boot prompt. From the serial console, you can login lớn the running Linux based stock firmware with: username 'admin' và password '1234'.


The GND sạc pin may be a bit hard to lớn solder, i needed khổng lồ scratch away some paint from the PCB lớn make a large enough connection. On some versions you need khổng lồ solder 2 bridges lớn get serial port working. You need good soldering experiences for that!

Board picture (v1)

UART isn't populated, it's indicated by a red rectangle on the picture below (click for bigger size).



The C2 uses a external GBit switch, connected by MDIO bus. Network traffic to lớn the CPU is passed through the internal switch of the MT7620A So

+---------------+ | MT7620A CPU | +---------------+ | 6 +----------------------------+| MT7620A || embedded switch |+----------------------------+ unused 5 (RGMII) 5x Fast
Eth PHY | | 6 (RGMII)+----------------------------+| RTL8367RB || switch & 5x GBit PHY |+----------------------------+ 0 1 2 3 4 | | | | | WAN LAN1 LAN2 LAN3 LAN4
Earlier versions of this article suggested “the driver for Open
Wrt” (for the RTL8367R(B) switch chip) would have limited the range of usable 802.1q VLAN IDs to lớn 1 – 31.

While this may have been true for some earlier builds (could not confirm immediately), Open
Wrt 21.02.3 (at least) no longer seems to lớn suffer from such hard limit. There is still a soft limit which, for some reason, makes VLAN IDs above 31 unusable & non-working by default, but you can override this limit và use the full range of VLAN IDs by setting the enable_vlan4k option to 1 in the switch1 section of the /etc/config/network configuration file, as follows:

config switch option name 'switch1' option reset '1' option enable_vlan '1' option enable_vlan4k '1'If you edit the switch VLAN configuration in Lu
CI, it may showroom the enable_vlan4k configuration directive automatically for you. But for manual edits, you need to vì it yourself to be able to get the higher-numbered VLAN IDs work.

Wrt releases 21.02.0 — 21.02.3 (the latest official release as of this writing) appear khổng lồ have a regression in their mặc định network configuration which makes the inner (MT7620A) switch visible in Lu
CI as switch0 for no real purpose, with a pseudo VLAN configuration that makes no sense.

The router works as it should but configuring VLANs through Lu
CI may not work as expected & only the outer switch (switch1, RTL8367B) configuration is relevant. A bug report has been filed on this by the ID FS#3879 - Incorrect switch config for TP-Link Archer C2 AC750 #8871.

Until fixed in later releases, you can work around the issue by removing the extraneous switch0 configuration from the tệp tin /etc/config/network. This is best accomplished by issuing the following commands in the command line:

uci delete network.

Xem thêm: Khung Ghép Nhiều Ảnh - Khung Ảnh Ghép Bốn Ảnh Online

switch<0>uci commitreboot


Version: 1.1.3 (Dec 4 2013)Ralink UBoot Version

MT7620 # bdinfoboot_params = 0x83F4FFB0memstart = 0x80000000memsize = 0x04000000flashstart = 0x00000000flashsize = 0x00800000flashoffset = 0x00000000ethaddr = xx:xx:xx:xx:xx:xxip_addr = = 115200 bps
Push '4' khổng lồ enter UBoot


màu sắc Name GPIO Polarity
Green LAN 1 Active low
Green USB 11 Active low

Forum Threads

The following diễn đàn threads have been used to discuss the C2:

Thanks to lớn everyone that contribute to lớn make this possible.


How to địa chỉ tags

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