Arris CM550A

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DOCSIS 2.0 Cable Modem
WikiDevi.wi-cat.ru
3rd Party Firmware
dd-wrt
OpenWrt
Incompatible
Tomato any flavor
Incompatible
Platform
BrandModelRev
Arris CM550A
Type
cable modem
CPU1
Texas Instruments TNETC4600
CPU1 Type
ARM
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
Samsung K4S641632K-UC60
ETH chip1
Texas Instruments TNETC4600
Cable Modem Spec
DOCSIS 2.0:
Ethernet Port Count
1-100MbE-LAN
Wired Standard
IEEE 802.3i/3u

Ethernet OUI: 00:15:CF

Expansion IF types
USB 2.0 (slave)
USB ports
1
USB Hub Compatible
No
Power
9 VDC, 0.8 A
Connector type
barrel
Serial Port (UART)
yes, internal, 4-pin header, , populated, J7, (9600 8N1), 3.3V TTL
Flags:
DOCSIS 2.0

Additional chips
Cable Tuner;Microtune;MT2000;;1;

Retail
(Est.) release date September 2008
ASIN B008VM77XC Flag of the United States.svg
Country of manuf China

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

For a list of all currently documented Arris device with specifications, see Arris.

Overview

The Arris logo, "CM550 REV: 2.02C", "Copyright 2005", "ARRIS International, Inc.", <...>"CHINA" ("PCB MADE IN CHINA"?), and a date code of 0836 is silkscreened on one particular CM550A's board.

ASUS / Pegatron would appear to be the manufacturer of this device

JTAG-Serial Info

Serial

Serial Pinouts

[3.3] (TxD) (RxD) (GND)
J7

----> to RAM

Boot log

UART Initialized
BOOTCR:     0x03900b11
Reset Type: 0x00000000 (Hardware)
Chip CVR:   0x00120204 (Puma3 1.0)
SDRAM Size: 0x00800000
TESTING SDRAM
.+.+.+
SDRAM IS GOOD


ARRIS Image Starter v05.01
ARRIS, Inc. (C) 2001 - 2004


Trying Flash Table A...GOOD

Unzipping DOCSIS
Computing CRC on zip image...GOOD
Decompressing Load (LZMA).....................................GOOD
Computing CRC on SDRAM image...GOOD

Unzipping Application
Computing CRC on zip image...GOOD
Decompressing Load (LZMA)...GOOD
Computing CRC on SDRAM image...GOOD

DOCSIS load...GOOD
App load......GOOD

Running DOCSIS...


PSAVE_init: copied 36 instructions to internal sram
PSAVE_init: PDCR = 0x00401810
PSAVE_init: PRCR = 0x0000004e
Installed MIPS exceptio