Motorola SURFboard SB6121

Motorola SURFboard SB6121

(Est.) release date: July 2010
UPC: 612572186237 (UPC DB, On eBay)
Country of manuf.: China

Amazon image

ASIN
B004XC6GJ0 (, On Amazon, On CCC)
multiple revisions of this device, use caution

Type: cable modem

Power: 12 VDC, 0.75 A
Connector type: barrel

CPU1: Texas Instruments TNETC4830
FLA1: 8 MiB 8,388,608 B <br />65,536 Kib <br />8,192 KiB <br />64 Mib <br />0.00781 GiB <br /> (Macronix MX25L6445EMI-10G)
RAM1: 32 MiB 33,554,432 B <br />262,144 Kib <br />32,768 KiB <br />256 Mib <br />0.0313 GiB <br /> (Winbond W9725G6JB-3)

Expansion IFs: none specified

ETH chip1: Texas Instruments TNETC4830
ETH chip2: Marvell 88E1119R
LAN speed: 1G
LAN ports: 1

Additional chips
Cable Tuner;Microtune;MT2170;;1;
Programmable Gain Amplifier;Microtune;MT1570;;1;

Flags: DOCSIS 3.0

Default IP address: 192.168.100.1
the IP 192.168.100.1 is used by 56 additional devices
of which 7 are Motorola devices

Ethernet OUI: none specified

	CPU1 brand	FLA1	RAM1
Motorola SURFboard SB6120	Texas Instruments	8 MiB8,388,608 B <br />65,536 Kib <br />8,192 KiB <br />64 Mib <br />0.00781 GiB <br />	32 MiB33,554,432 B <br />262,144 Kib <br />32,768 KiB <br />256 Mib <br />0.0313 GiB <br />
Motorola SURFboard SB6121	Texas Instruments	8 MiB8,388,608 B <br />65,536 Kib <br />8,192 KiB <br />64 Mib <br />0.00781 GiB <br />	32 MiB33,554,432 B <br />262,144 Kib <br />32,768 KiB <br />256 Mib <br />0.0313 GiB <br />
Motorola SURFboard SB6183	Broadcom	8 MiB8,388,608 B <br />65,536 Kib <br />8,192 KiB <br />64 Mib <br />0.00781 GiB <br />	128 MiB134,217,728 B <br />1,048,576 Kib <br />131,072 KiB <br />1,024 Mib <br />0.125 GiB <br />

For a list of all currently documented Texas Instruments (TI) chipsets with specifications, see Texas Instruments.

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Motorola SB6121 SURFboard DOCSIS 3.0 Cable Modem

 • Support page

"586121 MAIN BOARD", "569204-001 REV: 4", and "APR-27-2010" is silkscreened on the board in the image linked below.

Image + details

Board shot on usbjtag.com

A date code of 1029, "MADE IN CHINA", "SBG6121 MAIN BOARD", "569204-001 REV: 4", and "APR-27-2010" is silkscreened on the board shown.

"P/N: 569206-001-00" is (among other things) printed on the label affixed to the tuner shield.

Specification

SoC: TNETC4830ZDWG (used by the 8x4-specced SB6141)

RAM: W9725G6JB-3 256Mb DDR2

Flash: Macronix MX25L6445EMI-10G 8 MB

Switch: GbE PHY appears to be a Marvell 88E1119R-NNW2

• TNETC4830 = Puma5 (note the "PM5" next to TI logo)

PM5 details are available here

Likely compatible services

• Comcast (Comcast device database entry)
• Time Warner (Time Warner device information & manuals)

Additional external links

• Docsis 3.0 Hack - Forceware V.1.1 R12 Firmware + Download on Cable-Wizardz.co.uk

The SB6121 is noted as using a MT2170 tuner + a MT1570 amplifier.

DOCSIS 3.0 4x4