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ALR/ENET-EBT
ADVANCED LOGIC RESEARCH, INC.
ALR/ENET-EBT
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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-bit ISA
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Topology
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Linear Bus
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Wiring Type
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AUI transceiver via DB-15 port
RG-58A/U 50ohm coaxial
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Boot ROM
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Available
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CABLE TYPE
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Type
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W3/A-F
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RG58A/U 50ohm coaxial
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Closed
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AUI transceiver via DB-15 port
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Open
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ETHERNET REVISION
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Revision
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W4
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Rev. 1
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Closed
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IEEE (Rev. 2) and RG-58A
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Open
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SEGMENT LENGTH
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Length
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W5
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185 meters
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Closed
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300 meters
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Open
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ROM SIZE
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Size
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W6
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W9
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W10
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NONE
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Pins 7 & 8, 9 & 10 closed
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Pins 3 & 4 closed
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Pins 3 & 4 closed
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16KB
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Pins 7 & 8, 9 & 10 open
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Pins 3 & 4 closed
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Pins 3 & 4 closed
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32KB
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Pins 7 & 8 closed, 9 & 10 open
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Pins 3 & 4 closed
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Pins 1 & 2 closed
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64KB
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Pins 7 & 8 open, 9 & 10 closed
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Pins 1 & 2 closed
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Pins 1 & 2 closed
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RAM BUFFER SIZE
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Size
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W7
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W8
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W11
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8KB
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Pins 3 & 4 closed
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Pins 3 & 4 closed
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Pins 2 & 3 closed
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32KB
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Pins 1 & 2 closed
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Pins 1 & 2 closed
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Pins 1 & 2 closed
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WAIT STATE CONFIGURATION
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Bus Speed
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W1
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6MHz
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Closed
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8-16MHz
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Open
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INTERRUPT SETTINGS
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IRQ
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W2
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2
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Pins 11 & 12 closed
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3
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Pins 9 & 10 closed
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4
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Pins 7 & 8 closed
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5
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Pins 5 & 6 closed
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6
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Pins 3 & 4 closed
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7
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Pins 1 & 2 closed
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BASE I/O ADDRESS
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Address
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W1, pins 3 & 4
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W1, pins 5 & 6
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W1, pins 7 & 8
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W1, pins 9 & 10
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200h
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Closed
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Closed
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Closed
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Closed
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220h
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Open
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Closed
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Closed
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Closed
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240h
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Closed
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Open
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Closed
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Closed
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260h
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Open
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Open
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Closed
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Closed
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280h
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Closed
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Closed
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Open
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Closed
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2A0h
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Open
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Closed
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Open
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Closed
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2C0h
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Closed
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Open
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Open
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Closed
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2E0h
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Open
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Open
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Open
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Closed
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300h
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Closed
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Closed
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Closed
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Open
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320h
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Open
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Closed
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Closed
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Open
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340h
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Closed
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Open
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Closed
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Open
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360h
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Open
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Open
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Closed
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Open
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380h
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Closed
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Closed
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Open
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Open
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3A0h
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Open
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Closed
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Open
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Open
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3C0h
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Closed
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Open
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Open
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Open
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3E0h
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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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Sizes Available
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W6, pins 5 & 6
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W6, pins 3 & 4
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W6, pins 1 & 2
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C8000h
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16K, 32K
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Closed
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Closed
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Closed
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CC000h
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16K
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Closed
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Closed
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Open
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D0000h
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16K, 32K, 64K
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Closed
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Open
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Closed
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D4000h
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16K
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Closed
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Open
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Open
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D8000h
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16K, 32K
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Open
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Closed
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Closed
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DC000h
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16K
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Open
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Closed
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Open
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