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ATN-001T
DTK COMPUTER, INC.
ATN-001T
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NIC Type
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Arcrnet
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Transfer Rate
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2.5Mbps
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Data Bus
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16-bit ISA
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Topology
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Star
Linear Bus
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Wiring Type
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Shielded/Unshielded twisted pair
AUI transceiver via DB-15 port
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Boot ROM
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Available
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NODE ADDRESS
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Node
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SW1/1
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SW1/2
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SW1/3
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SW1/4
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SW1/5
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SW1/6
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SW1/7
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SW1/8
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0
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-
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-
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-
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-
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-
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-
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-
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-
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1
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Off
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On
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On
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On
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On
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On
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On
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On
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2
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On
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Off
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On
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On
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On
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On
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On
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On
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3
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Off
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Off
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On
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On
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On
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On
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On
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On
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4
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On
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On
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Off
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On
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On
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On
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On
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On
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251
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Off
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Off
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On
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Off
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Off
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Off
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Off
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Off
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252
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On
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On
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Off
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Off
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Off
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Off
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Off
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Off
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253
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Off
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On
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Off
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Off
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Off
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Off
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Off
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Off
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254
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On
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Off
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Off
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Off
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Off
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Off
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Off
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Off
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255
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Off
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Off
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Off
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Off
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Off
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Off
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Off
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Off
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Note:Node address 0 is used for messaging between nodes and must not be used.
A total of 255 node address settings are available. The switches are a binary representation of the decimal node addresses. Switch 1 is the Least Significant Bit and switch 8 is the Most Significant Bit. The switches have the following decimal values: switch 1=1, 2=2, 3=4, 4=8, 5=16, 6=32, 7=64, 8=128. Turn off the switches and add the values of the off switches to obtain the correct node address. (On=0, off=1)
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BOOT ROM
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Setting
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JP2
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Disabled
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Open
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Enabled
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Closed
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BASE MEMORY ADDRESS
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Base Address
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Boot ROM
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JP1D
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JP1E
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JP1F
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JP1G
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JP1H
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C0000-C07FFh
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C2000-C3FFFh
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Closed
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Closed
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Closed
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Closed
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Closed
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C0800-C0FFFh
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C2000-C3FFFh
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Closed
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Closed
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Closed
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Closed
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Open
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C1000-C17FFh
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C2000-C3FFFh
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Closed
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Closed
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Closed
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Open
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Closed
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C1800-C1FFFh
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C2000-C3FFFh
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Closed
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Closed
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Closed
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Open
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Open
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C4000-C47FFh
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C6000-C7FFFh
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Closed
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Closed
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Open
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Closed
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Closed
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C4800-C4FFFh
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C6000-C7FFFh
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Closed
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Closed
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Open
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Closed
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Open
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C5000-C57FFh
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C6000-C7FFFh
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Closed
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Closed
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Open
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Open
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Closed
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C5800-C5FFFh
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C6000-C7FFFh
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Closed
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Closed
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Open
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Open
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Open
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CC000-CC7FFh
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CE000-CFFFFh
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Closed
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Open
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Closed
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Closed
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Closed
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CC800-CCFFFh
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CE000-CFFFFh
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Closed
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Open
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Closed
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Closed
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Open
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CD000-CD7FFh
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CE000-CFFFFh
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Closed
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Open
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Closed
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Open
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Closed
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CD800-CDFFFh
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CE000-CFFFFh
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Closed
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Open
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Closed
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Open
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Open
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D0000-D07FFh
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D2000-D3FFFh
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Closed
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Open
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Open
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Closed
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Closed
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D0800-D0FFFh
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D2000-D3FFFh
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Closed
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Open
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Open
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Closed
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Open
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D1000-D17FFh
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D2000-D3FFFh
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Closed
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Open
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Open
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Open
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Closed
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D1800-D1FFFh
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D2000-D3FFFh
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Closed
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Open
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Open
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Open
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Open
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D4000-D47FFh
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D6000-D7FFFh
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Open
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Closed
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Closed
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Closed
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Closed
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D4800-D4FFFh
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D6000-D7FFFh
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Open
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Closed
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Closed
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Closed
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Open
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D5000-D57FFh
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D6000-D7FFFh
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Open
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Closed
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Closed
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Open
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Closed
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D5800 D5FFFh
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D6000-D7FFFh
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Open
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Closed
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Closed
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Open
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Open
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D8000-D87FFh
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DA000-DBFFFh
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Open
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Closed
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Open
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Closed
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Closed
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D8800-D8FFFh
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DA000-DBFFFh
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Open
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Closed
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Open
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Closed
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Open
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D9000-D97FFh
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DA000-DBFFFh
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Open
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Closed
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Open
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Open
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Closed
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D9800-D9FFFh
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DA000-DBFFFh
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Open
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Closed
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Open
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Open
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Open
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DC000-DC7FFh
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DE000-DFFFFh
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Open
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Open
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Closed
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Closed
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Closed
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DC800-DCFFFh
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DE000-DFFFFh
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Open
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Open
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Closed
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Closed
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Open
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DD000-DD7FFh
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DE000-DFFFFh
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Open
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Open
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Closed
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Open
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Closed
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DD800-DDFFFh
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DE000-DFFFFh
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Open
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Open
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Closed
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Open
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Open
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E0000-E07FFh
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E2000-E3FFFh
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Open
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Open
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Open
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Closed
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Closed
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E0800-E0FFFh
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E2000-E3FFFh
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Open
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Open
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Open
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Closed
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Open
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E1000-E17FFh
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E2000-E3FFFh
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Open
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Open
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Open
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Open
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Closed
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E1800-E1FFFh
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E2000-E3FFFh
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Open
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Open
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Open
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Open
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Open
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I/O BASE ADDRESS
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I/O
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JP1A
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JP1B
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JP1C
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260-26Fh
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Closed
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Closed
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Closed
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290-29Fh
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Closed
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Closed
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Open
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2E0-2EFh
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Closed
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Open
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Closed
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300-30Fh
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Open
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Closed
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Closed
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350-35Fh
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Open
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Closed
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Open
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380-38Fh
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Open
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Open
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Closed
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3E0-3EFh
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Open
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Open
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Open
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INTERRUPT REQUEST
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IRQ
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JP5A
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JP5B
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JP5C
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JP5D
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JP5E
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2/9
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Closed
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Open
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Open
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Open
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Open
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3
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Open
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Closed
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Open
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Open
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Open
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4
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Open
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Open
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Closed
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Open
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Open
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5
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Open
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Open
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Open
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Closed
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Open
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7
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Open
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Open
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Open
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Open
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Closed
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WAIT STATE
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Setting
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JP3
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JP4
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Zero wait states
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Open
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Closed
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Software programmable wait states
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Closed
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Open
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Same as I/O Bus wait state
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Open
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Open
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DECODING MODE
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Mode
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JP6A-JP6E & JP6G
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JP6F
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Mode 1 (latched addresses are used)
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Pins 1 & 2 Closed
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Pins 2 & 3 Closed
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Mode 2 (unlatched addresses are used)
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Pins 2 & 3 Closed
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Pins 2 & 3 Closed
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Note: Do not change jumpers unless you have compatibility problems.
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DIAGNOSTIC LED(S)
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LED
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Color
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Status
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Condition
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LED1
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Red
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Blinking
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Netwok cabling failure
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LED2
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Yellow
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Off
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or hardware failure
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LED1
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Red
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On
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Data being transmitted
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LED2
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Yellow
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Blinking
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or received
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