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Motorola SURFboard SB6121

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Motorola SB6121 SURFboard DOCSIS 3.0 Cable Modem
Homepage Product page
Wikipedia Motorola
3rd Party Firmware
dd-wrt Status Unknown
OpenWrt Status Unknown
Tomato any flavor Incompatible
Platform
BrandModelRev Motorola SURFboard SB6121
Type cable modem
CPU1 checkY Texas Instruments TNETC4830
CPU1 Type ARMv6 ARMv6TEJ
CPU1 Speed not specified
Flash1 Chip Macronix MX25L6445EMI-10G
Flash1 Size 8 MiB8,388,608 B <br />65,536 Kib <br />8,192 KiB <br />64 Mib <br />0.00781 GiB <br />
RAM1 Size 32 MiB33,554,432 B <br />262,144 Kib <br />32,768 KiB <br />256 Mib <br />0.0313 GiB <br />
RAM1 Chip Winbond W9725G6JB-3
ETH chip1 Texas Instruments TNETC4830
ETH chip2 Marvell 88E1119R
Cable Modem Spec DOCSIS 3.0: (4 x 4)
Ethernet Port Count 1-1GbE-LAN
Wired Standard IEEE 802.3i/3u/3ab
Expansion IF types none specified
Power 12 VDC, 0.75 A
Connector type barrel

Flags:
DOCSIS 3.0

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

Other

Default IP address: 192.168.100.1
the IP 192.168.100.1 is used by 57 additional devices
of which 7 are Motorola devices

Retail
(Est.) release date July 2010
UPC 612572186237
(UPC DB, On eBay)
ASIN B004XC6GJ0 Flag of the United States.svg
Country of manuf China
 CPU1 brandFLA1RAM1
Motorola SURFboard SB4100Broadcom2 MiB2,097,152 B <br />16,384 Kib <br />2,048 KiB <br />16 Mib <br />0.00195 GiB <br />8 MiB8,388,608 B <br />65,536 Kib <br />8,192 KiB <br />64 Mib <br />0.00781 GiB <br />
Motorola SURFboard SB4200Broadcom2 MiB2,097,152 B <br />16,384 Kib <br />2,048 KiB <br />16 Mib <br />0.00195 GiB <br />8 MiB8,388,608 B <br />65,536 Kib <br />8,192 KiB <br />64 Mib <br />0.00781 GiB <br />
Motorola SURFboard SB4220Texas Instruments
Motorola SURFboard SB5100iBroadcom2 MiB2,097,152 B <br />16,384 Kib <br />2,048 KiB <br />16 Mib <br />0.00195 GiB <br />8 MiB8,388,608 B <br />65,536 Kib <br />8,192 KiB <br />64 Mib <br />0.00781 GiB <br />
Motorola SURFboard SB5101Broadcom2 MiB2,097,152 B <br />16,384 Kib <br />2,048 KiB <br />16 Mib <br />0.00195 GiB <br />8 MiB8,388,608 B <br />65,536 Kib <br />8,192 KiB <br />64 Mib <br />0.00781 GiB <br />
Motorola SURFboard SB6120Texas Instruments8 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 SB6121Texas Instruments8 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 SB6141Texas Instruments8 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 SB6183Broadcom8 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 Marvell chipsets with specifications, see Marvell.
For a list of all currently documented Texas Instruments (TI) chipsets with specifications, see Texas Instruments.

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

Overview

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

DOCSIS 3.0 4x4

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

Links of Interest

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

Likely compatible services