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Agestar NSB3AS

Not recommended for future use with OpenWrt due to low flash/ram.
Limitations in extensibility and stability of operation are to be expected.
See 432_warning for details.

General features:

  • Ethernet & USB2.0 combination interface
  • Suitable for 3.5“ SATA HDD
  • Supports FTP and DHCP
  • Supports network print server
  • Supports BT download
  • Data transfer is twice as fast as competing models
  • Supports Samba server on LAN
  • Compatible with DSL routers/modems
  • Under network environment, it supports one 10/100Mbps Ethernet port
  • Password management provides secure access to HDD and web management
  • Supports hardware reset function by pressing the reset switch
  • Hot USB available for external enclosure, Udisk, HUB…devices

Supported Versions

Hardware Highlights




Bootloader: U-Boot
System-On-Chip: CNS2132
CPU Speed: 250 Mhz
Flash-Chip: ST 25P64V6P
Flash size: 8 MiB
RAM size: 32 MiB
Serial: Yes


nsb3as_01.jpg nsb3as_03.jpg

Opening the case

Note: This will void your warranty!

  • To remove the cover do a/b/c FIXME Insert description here

Main PCB


port.serial general information about the serial port, serial port cable, etc.

How to connect to the Serial Port (UART) of this specific device:

  [6] [5]
  [ ] [ ]
  [2] [1]

  1 : TX 
  2 : RX
  5 : VCC 3.3V
  6 : GND 
  • Speed - 38400
  • Data bits - 8
  • Stop bits - 1
  • Parity - None
  • Flow control - XON/XOFF

Original Firmware Info

The lastest original firmware (V01R07 at 5/10/2009) can be found Here


toh/agestar/nsb3as.txt · Last modified: 2019/02/12 22:20 by tmomas