Sagemcom F@ST 4320US

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multiple revisions of this device, use caution
bgn (N300)
Wireless xDSL Bonding Router
3rd Party Firmware
dd-wrt Status Unknown
OpenWrt Status Unknown
Tomato any flavor Status Unknown
Platform
BrandModelRev Sagemcom F@ST 4320US
FCC ID VW3FAST4320US
IC ID 9140A-FAST4320US
Type wireless router, dsl modem
CPU1 checkY Broadcom BCM63168
CPU1 Type BMIPS4350
CPU1 Speed 400 MHz ( 2 cores )
Flash1 Chip Brand? Model?
Flash1 Size 16 MiB16,777,216 B <br />131,072 Kib <br />16,384 KiB <br />128 Mib <br />0.0156 GiB <br />
RAM1 Size 128 MiB134,217,728 B <br />1,048,576 Kib <br />131,072 KiB <br />1,024 Mib <br />0.125 GiB <br />
RAM1 Chip Brand? Model?
ETH chip1 Broadcom BCM63168
Switch Broadcom BCM53124
Ethernet Port Count 1-WAN
4-1GbE-LAN
Wired Standard IEEE 802.3i/3u/3ab

802dot11 OUI: none specified

Expansion IF types USB 2.0
USB ports 2
USB Hub Compatible Untested
Power 12 VDC, 2 A
Connector type barrel

Flags:
VDSL2, ADSL2+

Other
Manuf/OEM/ODM SGE
Retail
FCC approval date 26 December 2012
Country of manuf China
Radio 1
Chip1 Broadcom BCM63168
Wireless interface OUI none specified
Antenna Connector Type none specified
MIMO status 2x2:2
Wireless Standard IEEE 802.11b/g/n
802.11n up to 300 Mbps
802.11g up to 54 Mbps
802.11b up to 11 Mbps
WiFi Operating Frequency 2.4 GHz
 CPU1 brandRadio1 chip1 brandRadio1 chip2 brand
Sagemcom F@ST 4320HPBroadcomBroadcom
Sagemcom F@ST 4320USBroadcomBroadcom

For a list of all currently documented Broadcom chipsets with specifications, see Broadcom.

For a list of all currently documented Sagemcom devices with specifications, see Sagemcom.

300 Mbps - 2SS 2.4GHz 802.11n (40MHz chan.) = N300 class

Overview

This device is presumably fully Broadcom based.

JTAG-Serial Info

Serial

cpu info
    # cat /proc/cpuinfo
    system type             : F@ST4320
    processor               : 0
    cpu model               : Broadcom4350 V8.0
    BogoMIPS                : 399.36
    wait instruction        : yes
    microsecond timers      : yes
    tlb_entries             : 32
    extra interrupt vector  : no
    hardware watchpoint     : no
    ASEs implemented        :
    shadow register sets    : 1
    core                    : 0
    VCED exceptions         : not available
    VCEI exceptions         : not available
    unaligned exceptions            : 13

    processor               : 1
    cpu model               : Broadcom4350 V8.0
    BogoMIPS                : 402.43
    wait instruction        : yes
    microsecond timers      : yes
    tlb_entries             : 32
    extra interrupt vector  : no
    hardware watchpoint     : no
    ASEs implemented        :
    shadow register sets    : 1
    core                    : 0
    VCED exceptions         : not available
    VCEI exceptions         : not available
    unaligned exceptions            : 13

Block Devices (/dev/mtdblock#)
    # cat /proc/mtd
    dev:    size   erasesize  name
    mtd0: 03d60000 00020000 "rootfs"
    mtd1: 03d60000 00020000 "rootfs_update"
    mtd2: 00400000 00020000 "data"
    mtd3: 00020000 00020000 "nvram"

cmdline
    # cat /proc/cmdline
    root=mtd:rootfs ro rootfstype=jffs2 console=ttyS0,115200
Block Image Data (from XXD and Binwalk)
  • /dev/mtdblock0 is a JFFS2 filesystem with the byte order big endian.
It is 64,356,352 bytes big. The JFFS2 filesystem starts at 0 bytes.
  • /dev/mtdblock1 is an image that is all decimal 255 (hex FF). It is 64,356,352 bytes big.
  • /dev/mtdblock2 is an image that is mostly decimal 255 (hex FF), but contains
(JFFS2, big endian) data between 00160000 and 0031fff0. It is 4,194,304 bytes big.
The filesystem starts at decimal 1441792.
  • /dev/mtdblock3 mostly contains null bytes, but appears to contain cferam.000 between
00000000 and 00003bd0. It is 131,072 bytes big. Binwalk was not able to identify any data.