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MAINLINK II
QUADRAM
MAINLINK II
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Card Type
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Network (terminal emulator)
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NIC Type
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Proprietary (3270 network with 3278/9 terminator emulator)
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Maximum Onboard Memory
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Unidentified
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Boot ROM
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Available
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Network Transfer Rate
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Unidentified
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Topology
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Linear Bus (microcomputer to mainframe)
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Wiring Type
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Proprietary coaxial
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Data Bus
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8-bit ISA
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Card Size
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Unidentified
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CONNECTIONS
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Function
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Label
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BNC connector
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CN1
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USER CONFIGURABLE SETTINGS
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Function
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Label
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Position
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| »
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Not used
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SW1/1
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Off
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| »
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Slot 8 disabled - PC AT mode
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SW1/2
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Off
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Slot 8 enabled - PC XT mode
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SW1/2
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On
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| »
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PROM memory window enabled
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SW1/3
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On
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PROM memory window disabled
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SW1/3
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Off
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MEMORY ADDRESS SELECTION FOR THE PC, XT & AT
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ADDRESS HEX
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SW1/4
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SW1/5
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SW1/6 SW1/7 SW1/8
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C0000h-C1FFFh
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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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C2000h-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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C4000h-C5FFFh
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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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C6000h-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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C8000h-C9FFFh
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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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CA000h-CBFFFh
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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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CC000h-CDFFFh
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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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D0000h-D1FFFh
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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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D2000h-D3FFFh
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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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D4000h-D5FFFh
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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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D6000h-D7FFFh
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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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D8000h-D9FFFh
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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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DA000h-DBFFFh
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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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DC000h-DDFFFh
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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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DE000h-DFFFFh
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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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E0000h-E1FFFh
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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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E0000h-E3FFFh
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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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E4000h-E5FFFh
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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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E6000h-E7FFFh
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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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E8000h-E9FFFh
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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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EA000h-EBFFFh
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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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EC000h-EDFFFh
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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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EE000h-EFFFFh
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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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Note: Addresses in the range from C0000h-EE000h are for AT only.
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