Scientific Atlanta WebSTAR DPC2100R2

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multiple revisions of this device, use caution
cable modem
3rd Party Firmware
dd-wrt
OpenWrt
Incompatible
Tomato any flavor
Incompatible
Platform
BrandModelRev
Scientific Atlanta DPC2100 R2
Type
cable modem
CPU1 checkY
Broadcom BCM3349
CPU1 Type
MIPS32
CPU1 Speed
not specified
Flash1 Chip
Macronix MX29LV160DBTI-70G
Flash1 Size
2 MiB2,097,152 B <br />16,384 Kib <br />2,048 KiB <br />16 Mib <br />0.00195 GiB <br />
RAM1 Size
8 MiB8,388,608 B <br />65,536 Kib <br />8,192 KiB <br />64 Mib <br />0.00781 GiB <br />
RAM1 Chip
ISSI IS42S16400B-7TL
ETH chip1
Broadcom BCM3349
Cable Modem Spec
DOCSIS 2.0:
Ethernet Port Count
1-100MbE-LAN
Wired Standard
IEEE 802.3i/3u

Ethernet OUI: 00:22:3A (1 E, -)

Stock FW OS
eCos
Expansion IF types
USB (unk. standard - slave)
USB ports
1
USB Hub Compatible
Untested
Power
12 VDC, 1 A
Connector type
barrel
Serial Port (UART)
yes, 4-pin header, 3.3V TTL, (115200 8N1), CON2
JTAG Port
yes, 8-pin header, J221
Flags:
DOCSIS 2.0

Additional chips
Direct Conversion Cable Tuner;Broadcom;BCM3419;BROADCOM, BCM3419KML, cP0824 P10, P36NV 02;1;

Other
Manuf/OEM/ODM
Retail
(Est.) release date October 2008
Country of manuf China
 CPU1 brandFLA1RAM1
Scientific Atlanta WebSTAR DPC2100Broadcom2 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 />
Scientific Atlanta WebSTAR DPC2100R2Broadcom2 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 />

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

Overview

"REV: 2.30 B", "PCB MADE IN CHINA", and a date code of 0840

is silkscreened on one particular DPC2100's board.

Teapo and Chemi-con branded capacitors are found.

JTAG-Serial Info

Serial

Serial Pinouts

CON2
[RxD]
(TxD)
(GND)
(...)

Info derived from

boot log
BCM3349A0
100000010346890
MemSize: ......................... 8M
Flash detected @0xbe000000

Signature: 2100
Broadcom BootLoader Version: 2.1.6d release Gnu
Build Date: Apr 27 2004
Build Time: 22:22:16

Image 1 Program Header:
   Signature: 2100
     Control: 0005
   Major Rev: 0003
   Minor Rev: 0000
  Build Time: 2010/4/1 09:35:16 Z
 File Length: 808988 bytes
Load Address: 80004000
    Filename: dpc2100R2-v202r1256-100324as-cox.bin
         HCS: 44ce
         CRC: f154254b

Image 2 Program Header:
   Signature: 2100
     Control: 0005
   Major Rev: 0003
   Minor Rev: 0000
  Build Time: 2010/4/1 09:35:16 Z
 File Length: 808988 bytes
Load Address: 80004000
    Filename: dpc2100R2-v202r1256-100324as-cox.bin
         HCS: 44ce
         CRC: f154254b

Enter '1', '2', or 'p' within 2 seconds or take default...
Performing CRC on Image 2...
Detected LZMA compressed image... decompressing...
Target Address: 0x80004000
..............
Decompressed length: 3670071

Executing Image 2...
 eCos - hal_diag_init
Init device '/dev/ttydiag'
Init tty channel: 8036eb40
Init device '/dev/tty0'
Init tty channel: 8036eb60
Init device '/dev/haldiag'
HAL/diag SERIAL init
Init device '/dev/ser0'
BCM 33XX SERIAL init - dev: 0.2
Set output buffer - buf: 0x8039fd68 len: 2048
Set input buffer - buf: 0x803a0568 len: 2048
BCM 33XX SERIAL config

Reading Permanent settings from non-vol...
Checksum for permanent settings:  0x3d6d39d1

* One or more of the settings groups was missing, possibly as a result of a code upgrade.
* One or more of the settings groups was upgraded.
*Settings were read and verified.

Reading Dynamic settings from non-vol...
Checksum for dynamic settings: