Arris CM820A
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Arris CM820 A (B/C/S)
Availability: Comcast
Type: cable modem
Power: 115-240 VAC ~ 50/60 Hz, 0.3 A
Connector type: C7P
CPU1: Intel Puma DNCE2500
FLA1: 16 MiB16,777,216 B <br />131,072 Kib <br />16,384 KiB <br />128 Mib <br />0.0156 GiB <br /> (Brand? Model?)
RAM1: 128 MiB134,217,728 B <br />1,048,576 Kib <br />131,072 KiB <br />1,024 Mib <br />0.125 GiB <br /> (Brand? Model?)
Expansion IFs: none specified
ETH chip1: Intel Puma DNCE2500
ETH chip2: Marvell Model?
LAN speed: 1G
LAN ports: 1
Flags: DOCSIS 3.0
For a list of all currently documented Intel Puma SoC's with specifications, see Intel Puma.
Ultra-High Speed Cable Modem
- DOCSIS 3.0 8x4 (8-downstream, 4-upstream)
Variants
- CM820A - DOCSIS 3.0 (Comcast)
- CM820B / CM820S - EuroDOCSIS 3.0 / DOCSIS 3.0
- CM820C - DOCSIS 3.0 (Japanese)
There would appear to be multiple revisions of this device.
- Some seem have a polarized power connector (C7P),
- others have a non-polarized Fig-8 connector (C7).
Likely compatible services
News
- On Comcast (SNE)
- On DSLReports (spec.)
- CPU: Intel Puma DNCE2500 (DNCE25xx)