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M8117
RACORE COMPUTER PRODUCTS, INC.
M8117
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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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8/16-bit ISA
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Topology
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Ring
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Wiring Type
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Shielded twisted pair
Unshielded twisted pair(with external media filter)
62.5/125 or 50/125
m
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Boot ROM
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Available
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MAU TYPE
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Setting
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JP2
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802.5J
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Pins 2 & 3 closed
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Alternate
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Pins 1 & 2 closed
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ROM MEMORY ENABLE
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Setting
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JP3
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Enabled
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Closed
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Disabled
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Open
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Note:The boot ROM socket can contain a BIA ROM or a boot ROM. The BIA ROM provides the node address if a boot ROM is not installed. If the ROM memory is disabled, the node address must
be set using the RTR16ASI.SYS device driver.
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I/O BASE ADDRESS
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Address
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SW1/1
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SW1/2
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A00 - A0Fh
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On
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On
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A20 - A2Fh
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Off
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On
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A40 - A4Fh
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On
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Off
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A60 - A6Fh
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Off
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Off
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INTERRUPT REQUEST
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IRQ
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SW1/3
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SW1/4
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2/9
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Off
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On
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3
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On
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On
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10
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On
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Off
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11
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Off
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Off
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Note:If using the card in an 8-bit slot, do not use IRQ10 or IRQ11.
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BOOT ROM ADDRESS
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Address
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SW1/5
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SW1/6
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CC000 - CDFFFh
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On
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On
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D0000 - D1FFFh
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Off
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On
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D8000 - D9FFFh
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On
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Off
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DC000 - DDFFFh
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Off
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Off
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DMA CHANNEL
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Channel
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SW1/7
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SW1/8
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DMA0
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On
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On
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DMA5
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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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DMA7
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Off
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Off
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BOOT ROM
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Setting
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SW1/9
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Disabled
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On
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Enabled
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Off
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Note:To install the boot ROM remove the BIA ROM (if installed) and replace it with the boot ROM.
JP3 must be closed for the boot ROM to function.
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NETWORK SEGMENT SPEED
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Speed
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SW1/10
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16Mbps
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On
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4Mbps
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Off
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Note:All cards on the network segment must have this option set the same.
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LOGIC LINK CONTROL (LLC) LOCATION
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Speed
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SW1/11
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ROM based
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On
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RAM based
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Off
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Note:LLC allows the card to access networks using the ISO and SNA protocols. (e.g. IBM PC LAN,IBM 3270 terminal emulation, and AS400)
The card has built-in LLC support on the two ROMs above SW1. To allow for future compatiblity and upgrades you can load the LLC code into the onboard RAM.
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CABLE TYPE & MAXIMUM CABLE LENTGH
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Type
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Max. Length
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SW1/12
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Fiber optic cable
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75m
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On
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Shielded twisted pair
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2000m
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Off
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Unshielded twisted pair with media-filter
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100m
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Off
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DIAGNOSTIC LED(S)
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LED
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Status
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Condition
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LED1
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On
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Fiber optic cable connection is good
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LED1
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Off
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Fiber optic cable connection is broken
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LED2
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On
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Card is inserted into the ring
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LED2
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Off
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Card is not inserted into the ring
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Note:If the MAU type is set to 802.2J (JP2 - Pins 2 & 3 closed) LED1 will not light until the adapter attempts insertion into the network.
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