Hw Revision

Some articles on hw revision:

Zenith Cable Modem - Product Versions
... HW Revision A - First black case modem HW Revision B - "Volume Production" of perhaps 750-1000 units for shipment to 8-10 cable operators ... HW Revision C - introduced a two board model and 4" tall case that would allow use with a traditional Ethernet 10BaseT connection instead of internal PC card ... HW Revision D - Eliminated the susceptibility to RF interference from nearby cell phones ...