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OC-3117
OLICOM, INC.
OC-3117
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NIC Type
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Token Ring
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Transfer Rate
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4/16Mbps
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Data Bus
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16-bit ISA
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Topology
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Ring
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Wiring Type
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AUI transceiver via DB-15
Shielded Twisted Pair
Unshielded Twisted Pair
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Boot ROM
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Available
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CONNECTIONS
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Purpose
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Location
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Board Configuration ROM
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ROM
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Crystal Oscillator
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OSC
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RING SPEED SELECT
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Setting
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SW1/1
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4Mbps
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Off
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16 Mbps
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On
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I/O ADDRESS SELECT
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Address
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SW1/2
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SW1/3
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A20 - A23, A30 - A3Fh
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Off
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Off
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A24 - A27, A40 - A4Fh
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On
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Off
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A50 - A53, A60 - A6Fh
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Off
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On
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A54 - A57, A70 - A7Fh
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On
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On
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RPL ROM ADDRESS
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Setting
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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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CC000
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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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C0000
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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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C2000
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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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C4000
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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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C6000
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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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C8000
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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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CA000
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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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CE000
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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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D0000
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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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D2000
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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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D4000
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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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D6000
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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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D8000
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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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DA000
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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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DC000
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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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DE000
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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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INTERRUPT SELECT
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IRQ
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SW2/1
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SW2/2
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SW2/3
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IRQ2
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Off
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Off
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Off
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IRQ9
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Off
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Off
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Off
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IRQ3
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On
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Off
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On
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IRQ5
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Off
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On
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On
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IRQ7
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On
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On
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On
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IRQ10
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On
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Off
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Off
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IRQ11
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Off
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On
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Off
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IRQ12
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On
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On
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Off
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IRQ15
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Off
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Off
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On
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Note:If this card is installed into a PC/AT level machine the Default is IRQ9, if the machine level is PC/XT the default is IRQ2.
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Note:If the Machine is a PC/XT level or this card is install into a 8-bit slot IRQ10, IRQ11, IRQ12 & IRQ15 are not available.
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FACTORY CONFIGURED SETTING
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Switch
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Setting
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SW2/7
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Off
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SW2/8
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Off
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DMA CHANNEL
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Setting
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SW2/4
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SW2/5
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SW2/6
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DMA5
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Off
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Off
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Off
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DMA0
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On
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On
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Off
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DMA1
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Off
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Off
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On
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DMA3
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On
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Off
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On
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DMA6
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On
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Off
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Off
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DMA7
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Off
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On
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Off
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Programmed I/O
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Off
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On
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On
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Programmed I/O
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On
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On
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On
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Note:If this board is installed into a PC/XT level machine or an 8-bit slot then Programmed I/O is used, and the Switch settings are non-functional.
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