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HOSTESS 554 QUADCABLE, HOSTESS 554 OCTACABLE
COMTROL CORPORATION
HOSTESS 554 QUADCABLE, HOSTESS 554 OCTACABLE
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Card Type
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Serial
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Chipset
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16554
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I/O Options
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Serial ports (4 for Quadcable, 8 for Octacable)
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Data Bus
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16-bit ISA
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Card Size
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Full-height, half-length
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CONNECTIONS
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Function
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Label
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Serial ports via DB-78 port
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J1
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Note:Standard serial ports are available on an included adapter cable.
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USER CONFIGURABLE SETTINGS
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Setting
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Label
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Position
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Interrupt mask enabled
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SW2/1
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On
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Interrupt mask disabled
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SW2/1
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Off
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BASE I/O ADDRESS SELECTION
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Setting
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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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0000h
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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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On
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0020h
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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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0040h
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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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0060h
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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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0080h
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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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| »
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0280h
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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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On
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On
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On
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1F60h
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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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1F80h
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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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1FA0h
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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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1FC0h
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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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1FE0h
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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:
A total of 512 base address settings are available. The switches are a binary representation of the decimal memory addresses. SW1/8 is the Most Significant Bit and switch SW1/1 is the Least Significant Bit. The switches have the following decimal values: SW1/8=4096, SW1/7=2048, SW1/6=1024, SW1/5=512, SW1/4=256, SW1/3=128, SW1/2=64, SW1/1=32. Turn off the switches and add the values of the switches that are off to obtain the correct memory address. (Off=1, On=0)
SW1/1 must be off on the Octacable card.
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INTERRUPT SELECTION
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Setting
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JP1
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SW2/2
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SW2/3
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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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2
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Pins 1 & 2
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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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3
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Pins 1 & 2
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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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4
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Pins 1 & 2
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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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5
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Pins 1 & 2
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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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Off
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7
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Pins 1 & 2
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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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10
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Pins 1 & 2
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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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11
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Pins 1 & 2
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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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12
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Pins 2 & 3
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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:Pins designated are in the closed position.
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