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AT-2000U
ALLIED TELESYN, INC.
AT-2000U
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NIC Type
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Ethernet
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Transfer Rate
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10Mbps
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Data Bus
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8/16-bit ISA
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Topology
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Star
Linear Bus
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Wiring Type
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Unshielded twisted pair
RG-58A/U 50ohm coaxial
AUI transceiver via DB-15 port
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Boot ROM
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Available
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CONNECTORS
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Location
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Function
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JP13
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External activity LED connection
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Note:For external activity LED indications, please refer to the Diagnostic LED table.
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CABLE TYPE
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Type
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JP1A - JP1F
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JP16
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Unshielded twisted pair
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Pins 2 & 3 Closed
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Closed
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RG-58A/U 50ohm coaxial
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Pins 2 & 3 Closed
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Open
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AUI transceiver via DB-15 port
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Pins 1 & 2 Closed
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Open
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ETHERNET VERSION
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Setting
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JP5
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Version 2 (IEEE 802.3)
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Open
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Version 1
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Closed
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INTERRUPT REQUEST
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IRQ
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JP6A
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JP6B
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JP6C
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JP6D
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JP6E
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JP6F
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JP6G
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JP6H
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2/9
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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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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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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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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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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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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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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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Open
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Open
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Open
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Closed
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10
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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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Open
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Open
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Open
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11
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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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Open
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Open
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Open
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15
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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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Open
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Open
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Open
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WAIT STATE
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Setting
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JP7
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JP12
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1 wait state
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Open
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Closed
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0 wait states
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Closed
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Open
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BOOT ROM
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Setting
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JP8
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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 BASE ADDRESS
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Address
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JP9A
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JP9B
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JP9C
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JP9D
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200-21Fh
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Closed
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Closed
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Closed
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Closed
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220-23Fh
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Closed
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Closed
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Closed
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Open
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240-25Fh
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Closed
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Closed
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Open
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Closed
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260-27Fh
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Closed
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Closed
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Open
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Open
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280-29Fh
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Closed
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Open
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Closed
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Closed
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2A0-2BFh
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Closed
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Open
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Closed
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Open
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2C0-2DFh
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Closed
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Open
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Open
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Closed
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2E0-2FFh
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Closed
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Open
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Open
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Open
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300-31Fh
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Open
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Closed
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Closed
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Closed
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320-33Fh
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Open
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Closed
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Closed
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Open
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340-35Fh
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Open
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Closed
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Open
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Closed
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360-37Fh
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Open
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Closed
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Open
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Open
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380-39Fh
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Open
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Open
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Closed
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Closed
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3A0-3BFh
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Open
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Open
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Closed
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Open
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3C0-3DFh
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Open
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Open
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Open
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Closed
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3E0-3FFh
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Open
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Open
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Open
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Open
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BOOT ROM ADDRESS
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Address
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JP10A
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JP10B
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JP10C
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JP10D
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JP10E
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JP10F
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C0000h
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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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Closed
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C2000h
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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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Open
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C4000h
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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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Closed
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C6000h
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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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Open
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C8000h
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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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Closed
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CA000h
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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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Open
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CC000h
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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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Closed
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CE000h
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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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Open
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D0000h
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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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Closed
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D2000h
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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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Open
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D4000h
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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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Closed
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D6000h
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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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Open
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D8000h
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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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Closed
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DA000h
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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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Open
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DC000h
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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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Closed
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DE000h
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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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Open
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CARD EMULATION MODE
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Mode
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JP11A
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NE2000
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Open
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NE1000
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Closed
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Note:If the card is installed in an 8-bit slot the mode should be NE1000.
If the card is installed in a 16-bit slot the mode should be NE2000.
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ONBOARD RAM
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Size
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JP11C
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16KB
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Open
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32KB
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Closed
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BOOT ROM SIZE
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Size
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JP14A
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JP14B
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JP14C
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JP15A
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JP15B
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8KB
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Open
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Open
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Open
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Pins 1 & 2 Closed
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Pins 1 & 2 Closed
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16KB
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Closed
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Open
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Open
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Pins 1 & 2 Closed
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Pins 1 & 2 Closed
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32KB
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Open
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Closed
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Open
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Pins 1 & 2 Closed
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Pins 2 & 3 Closed
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64KB
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Open
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Open
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Closed
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Pins 2 & 3 Closed
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Pins 2 & 3 Closed
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LINK INTEGRITY TEST
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Setting
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JP17
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Enabled
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Pins 1 & 2 closed
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Disabled
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Pins 2 & 3 closed
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Note:The link integrity test is valid only when the cable type is unshielded twisted pair.
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DATA BUS SLOT
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Setting
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JP18
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16-bit
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Closed
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8-bit
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Open
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BUS MASTER ENABLE
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Setting
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JP19
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Disabled
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Open
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Enabled
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Closed
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Note:This option must be enabled if there is a bus master card installed in the system. If JP19 is closed, JP18
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FACTORY CONFIGURED SETTING
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Jumper
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Setting
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JP4
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Closed
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JP11B
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Open
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JP11C
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Open
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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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Green
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On
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Twisted pair network connection is good
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LED1
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Green
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Off
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Twisted pair network connection is broken
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External (JP13)
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N/A
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On
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Data is being transmitted or received
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External (JP13)
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N/A
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Off
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Data is not being transmitted or received
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Note:LED1 indications are only valid when the cable type is twisted pair.
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