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16-BIT TWISTED PAIR ARCNET
AT-LAN-TEC, INC.
16-BIT TWISTED PAIR ARCNET
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NIC Type
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ARCnet
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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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Linear bus
Star
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Wiring Type
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Shielded Twisted Pair
Unshielded Twisted Pair
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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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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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Off
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2
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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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Off
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On
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3
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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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Off
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Off
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4
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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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Off
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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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Off
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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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252
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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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On
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On
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253
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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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On
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Off
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254
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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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On
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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 reserved 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 most significant bit and switch 8 the least significant bit. The switches have the following decimal values: switch 1=128, switch 2=64, switch 3=32, switch 4=16, switch 5=8, switch 6=4, switch 7=2, switch 8=1. Turn Off the appropriate switches and add the values of the ‘off’ switches to obtain the correct node address.
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MEMORY ADDRESS SELECT
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RAM Address
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ROM Address
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SW2/4
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SW2/5
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SW2/6
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SW2/7
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SW2/8
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C0000 - C07FFh
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C2000 - C3FFFh
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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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C0800 - C0FFFh
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C2000 - C3FFFh
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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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C1000 - C17FFh
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C2000 - C3FFFh
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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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C1800 - C1FFFh
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C2000 - C3FFFh
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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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C4000 - C47FFh
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C6000 - C7FFFh
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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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C4800 - C4FFFh
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C6000 - C7FFFh
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Off
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On
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Off
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On
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On
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C5000 - C57FFh
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C6000 - C7FFFh
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On
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Off
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Off
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On
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On
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C5800 - C5FFFh
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C6000 - C7FFFh
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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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CC000 - CC7FFh
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CE000 - CFFFFh
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On
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On
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On
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Off
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On
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CC800 - CCFFFh
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CE000 - CFFFFh
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Off
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On
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On
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Off
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On
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CD000 - CD7FFh
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CE000 - CFFFFh
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On
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Off
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On
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Off
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On
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CD800 - CDFFFh
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CE000 - CFFFFh
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Off
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Off
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On
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Off
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On
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D0000 - D07FFh
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D2000 - D3FFFh
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On
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On
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Off
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Off
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On
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D0800 - D0FFFh
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D2000 - D3FFFh
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Off
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On
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Off
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Off
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On
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D1000 - D17FFh
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D2000 - D3FFFh
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On
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Off
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Off
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Off
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On
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D1800 - D1FFFh
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D2000 - D3FFFh
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Off
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Off
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Off
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Off
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On
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D4000 - D47FFh
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D6000 - D7FFFh
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On
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On
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On
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On
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Off
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D4800 - D4FFFh
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D6000 - D7FFFh
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Off
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On
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On
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On
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Off
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D5000 - D57FFh
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D6000 - D7FFFh
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On
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Off
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On
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On
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Off
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D5800 - D5FFFh
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D6000 - D7FFFh
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Off
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Off
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On
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On
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Off
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D8000 - D87FFh
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DA000 - DBFFFh
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On
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On
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Off
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On
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Off
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D8800 - D8FFFh
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DA000 - DBFFFh
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Off
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On
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Off
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On
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Off
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D9000 - D97FFh
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DA000 - DBFFFh
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On
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Off
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Off
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On
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Off
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D9800 - D9FFFh
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DA000 - DBFFFh
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Off
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Off
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Off
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On
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Off
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DC000 - DC7FFh
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DE000 - DFFFFh
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On
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On
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On
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Off
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On
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DC800 - DCFFFh
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DE000 - DFFFFh
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Off
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On
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On
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Off
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Off
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DD000 - DD7FFh
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DE000 - DFFFFh
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On
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Off
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On
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Off
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Off
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DD800 - DDFFFh
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DE000 - DFFFFh
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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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E0000 - E07FFh
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E2000 - E3FFFh
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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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E0800 - E0FFFh
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E2000 - E3FFFh
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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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E1000 - E17FFh
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E2000 - E3FFFh
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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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E1800 - E1FFFh
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E2000 - E3FFFh
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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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TIMEOUT CONFIGURATION
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Response Time(
m
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Reconfiguration Time(msec)
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J1/F
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J1/G
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| »
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78
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840
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Open
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Open
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285
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1680
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Open
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Closed
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563
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1680
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Closed
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Open
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1130
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1680
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Closed
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Closed
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BOOT ROM
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Setting
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J1/H
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| »
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Disabled
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Open
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Enabled
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Closed
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I/O ADDRESS SELECT
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Address
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SW2/1
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SW2/2
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SW2/3
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| »
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2E0 - 2EFh
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On
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Off
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On
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260 - 26Fh
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On
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On
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On
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290 - 29Fh
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Off
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On
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On
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2F0 - 2FFh
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Off
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Off
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On
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300 - 30Fh
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On
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On
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Off
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350 - 35Fh
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Off
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On
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Off
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380 - 38Fh
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On
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Off
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Off
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3E0 - 3EFh
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Off
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Off
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Off
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INTERRUPT SELECT
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IRQ
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J1/A
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J1/B
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J1/C
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J1/D
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J1/E
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| »
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IRQ3
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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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IRQ2
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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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IRQ4
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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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IRQ5
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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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IRQ7
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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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