|  | http://routeabout.zko.dec.com/AW900/prod_desc.html
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The hardware consists of a system motherboard and an optional daughter card.
The motherboard is
common to all h/w variants and contains the following components: 
    Motorola 68EC040 running at 25 Mhz 
    Two Motorola 68EN360 QUICC chips 
    Two 10baseT Ethernet connectors via front pannel, each capable of LAN
hopping via DEChub 900
    backplane. 
    Four 2.049 Mb/s serial WAN ports 
    4 MB SIMM DRAM upgradeable to 32 MB 
    4 MB FLASH memory (upgradable to 8 MB) 
    128KB SRAM 
The AW900 EW contains a 4 line sync option daughter card containing the
following components: 
    One Motorola 68EN360 QUICC chip 
    Four 2.048 Mb/s serial WAN ports 
    PCMCIA slot (currently unused) 
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