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Castle Net21 10/100 Ethernet NIC

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Castle Net21 NIC top

Castle Net21 10/100 Ethernet NIC (top) 

Castle Net21 NIC back

 Castle Net21 10/100 Ethernet NIC (back)

Castle Net21 NIC bottom

Castle Net21 10/100 Ethernet NIC (bottom) 

The Castle Net21 10/100 Ethernet NIC is based on the SMSC LAN91C111 IC. It uses the EtherY driver which is available from Castle Technology  . It is designed for the network slot on a Risc PC or A7000. The serial number on this card is NET2100047E.