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toh:zyxel:nbg4615

ZyXEL NBG4615

v1 v2
NBG4615NBG4615 v2

Supported Versions

Version/Model S/N OpenWrt Version Supported Model Specific Notes
v1 A ? First Version

Hardware Highlights

Version CPU Ram Flash Network USB Serial JTag
v1 RT3052@384MHz 64MB 8MB 4x1 GbE 2x USB2.0 Yes ?
v2 RT6856@700MHz 128MB ? 4x1 GbE 2x USB2.0 Yes ?

Installation

TODO

Hardware

Info

Architecture: MIPS MIPS 24Kec
Vendor: Mediatek/Ralink
Bootloader: U-Boot
System-On-Chip: RT3052
CPU Speed: 384 MHZ
Flash-Chip: ?
Flash size: 8 MiB
RAM: 64 MiB
Wireless: Integrated RT3052 b/g/n
Switch: Atheros AR8316 4+1 GbE
RTC Chip: ?
USB: 2x USB2.0
Serial: Yes
JTAG: ?

Photos

Front:

Back:

Bottom:

Opening the case

Note: This will void your warranty!

  • To remove the cover simply remove the two screws on the bottom. Then just open it.
  • The board itself has no screws.

Main PCB

Top:

Bottom:

Serial

The pin assignment is:

  1. VCC
  2. TxD
  3. GND
  4. RxD

With Pin 1 being the one closest to the LEDs. It uses 3.3V levels.

GPIOs

Buttons

LEDs

PCF8563 RTC I2C Interface

RTL8366S Switch I2C Interface

Bootloader

The Bootloader used in this unit is U-Boot . It is available through the serial interface with the settings: 57600/8-N-1 (flow control: none)

Recovery via HTTP

Emergency HTTP server IP address is 192.168.1.6. Internet Explorer browser is supported.

Recovery via serial console

If, for some reason, your router cannot boot any more, there is a good chance that the original bootloader is still working. To check, connect to the serial port and do router power cycle:

U-Boot 1.1.3 (Aug 30 2010 - 18:21:21)

Board: Ralink APSoC DRAM:  64 MB
relocate_code Pointer at: 83fac000

 The Flash ID =000022CB
flash bank 0 size:8388608
flash_protect ON: from 0xBF000000 to 0xBF021767
flash_protect ON: from 0xBF030000 to 0xBF030FFF
============================================
Ralink UBoot Version: EZPacket 1.6
--------------------------------------------
ASIC 3052_MP2 (Port5<->GigaSW)
DRAM component: 256 Mbits SDR
DRAM bus: 32 bit
Total memory: 64 MBytes
Flash component: NOR Flash
Date:Aug 30 2010  Time:18:21:21
============================================
icache: sets:256, ways:4, linesz:32 ,total:32768
dcache: sets:128, ways:4, linesz:32 ,total:16384

 ##### The CPU freq = 384 MHZ ####

 SDRAM bus set to 32 bit
 SDRAM size =64 Mbytes

 RT3052 ASIC Setting switch.

Please choose the operation:
   1: Load system code to SDRAM via TFTP.
   2: Load system code then write to Flash via TFTP.
   3: Boot system code via Flash (default).
   4: Entr boot command line interface.
   6: To emergency.
   9: Load Boot Loader code then write to Flash via TFTP.

Tags

toh/zyxel/nbg4615.txt · Last modified: 2016/01/11 00:25 by khalak