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Micro House PC Hardware Library Volume II: Network Interface Cards And Modems Micro House PC Hardware Library Volume II: Network Interface Cards And Modems
by Micro House International, Inc. and Scott Mueller
Que, Macmillan Computer Publishing
ISBN: 078971664x   Pub Date: 06/17/98
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NODE ADDRESS
Node SW2/1 SW2/2 SW2/3 SW2/4 SW2/5 SW2/6 SW2/7 SW2/8
0 - - - - - - - -
1 On On On On On On On Off
2 On On On On On On Off On
3 On On On On On On Off Off
4 On On On On On Off On On
251 Off Off Off Off Off On Off Off
252 Off Off Off Off Off Off On On
253 Off Off Off Off Off Off On Off
254 Off Off Off Off Off Off Off On
255 Off Off Off Off Off Off Off Off
Note: Node address 0 is used for messaging between nodes and must not be used.
A total of 255 node address settings are available. The switches are a binary representation of the decimal node addresses. Switch 8 is the Least Significant Bit and switch 1 is the Most Significant Bit. The switches have the following decimal values: switch 1=128, 2=64, 3=32, 4=16, 5=8, 6=4, 7=2, 8=1. Turn off the switches and add the values of the off switches to obtain the correct node address. (On=0, Off=1)

COMPATIBILITY MODE
Setting JP1A
DisabledOpen
    Enabled Closed
Note: Some systems use non-standard timing. This option attempts to make those systems work with this card by extending the I/O bus cycle If your system does not work with this card set this option to enabled (JP1 closed).

WAIT STATE
Setting JP1B
0 wait statesOpen
     1 wait state Closed

BOOT ROM
Setting JP1C
DisabledOpen
    Enabled Closed

INTERRUPT REQUEST
IRQ JP2A JP2B JP2C JP2D JP2E
2/9Closed Open Open Open Open
     3 Open Closed Open Open Open
     4 Open Open Closed Open Open
     5 Open Open Open Closed Open
     7 Open Open Open Open Closed

TWISTED PAIR SELECT
Setting JP3 JP4
Inner pairPins 2 & 3 closed Pins 2 & 3 closed
     Outer pair Pins 1 & 2 closed Pins 1 & 2 closed
Note: If using the same wires for your phone system, the phone system must use one pair and the network must use the other pair.

ONBOARD TERMINATOR
Setting JP5
DisabledOpen
    Enabled Closed
Note: If the card is on either end of a linear bus network segment, the onboard terminator may be used instead of using an external terminator.


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