ARCNET PC120 Network Card Settings and Configuration

STANDARD MICROSYSTEMS CORPORATION

ARCNET PC120

EAGLE TECHNOLOGIES

RX-NET II

NIC Type
ARCnet
Transfer Rate
2.5Mbps
Data Bus
8-bit ISA
Topology
Star
Wiring Type
RG-62A/U 93ohm coaxial
Boot ROM
Available

NODE ADDRESS SELECTION
Node
SW3/1
SW3/2
SW3/3
SW3/4
SW3/5
SW3/6
SW3/7
SW3/8
0
-
-
-
-
-
-
-
-
1
Off
On
On
On
On
On
On
On
2
On
Off
On
On
On
On
On
On
3
Off
Off
On
On
On
On
On
On
4
On
On
Off
On
On
On
On
On
251
Off
Off
On
Off
Off
Off
Off
Off
252
On
On
Off
Off
Off
Off
Off
Off
253
Off
On
Off
Off
Off
Off
Off
Off
254
On
Off
Off
Off
Off
Off
Off
Off
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 1 is the Least Significant Bit and switch 8 is the Most Significant Bit. The switches have the following decimal values: switch 1=1, 2=2, 3=4, 4=8, 5=16, 6=32, 7=64, 8=128. Turn off the switches and add the values of the off switches to obtain the correct node address. (On=0, Off=1)

INTERRUPT REQUEST SELECTION
IRQ
JP1
JP2
JP3
JP4
JP5
2
Closed
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

I/O BASE ADDRESS SELECTION
Address
SW2/1
SW2/2
SW2/3
SW2/4
SW2/5
SW2/6
200h
Off
On
On
On
On
On
250h
Off
On
On
Off
On
Off
2A0h
Off
On
Off
On
Off
On
2E0h
Off
On
Off
Off
Off
On
2F0h
Off
On
Off
Off
Off
Off
300h
Off
Off
On
On
On
On
350h
Off
Off
On
Off
On
Off
3E0h
Off
Off
Off
Off
Off
Off

BUFFER ADDRESS SELECTION
Address
SW1/1
SW1/2
SW1/3
SW1/4
SW1/5
SW1/6
C0000h
Off
Off
On
On
On
On
C4000h
Off
Off
On
On
On
Off
C8000h
Off
Off
On
On
On
On
CC000h
Off
Off
On
On
Off
Off
D0000h
Off
Off
On
Off
On
On
D4000h
Off
Off
On
Off
On
On
D8000h
Off
Off
On
Off
Off
On
DC000h
Off
Off
On
Off
Off
Off
E0000h
Off
Off
Off
On
On
On

FACTORY CONFIGURED SETTINGS
Switch
Setting
SW1/7
On
SW1/8
On

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NIC Type	ARCnet
Transfer Rate	2.5Mbps
Data Bus	8-bit ISA
Topology	Star
Wiring Type	RG-62A/U 93ohm coaxial
Boot ROM	Available

NODE ADDRESS SELECTION
Node	SW3/1	SW3/2	SW3/3	SW3/4	SW3/5	SW3/6	SW3/7	SW3/8
0	-	-	-	-	-	-	-	-
1	Off	On	On	On	On	On	On	On
2	On	Off	On	On	On	On	On	On
3	Off	Off	On	On	On	On	On	On
4	On	On	Off	On	On	On	On	On
251	Off	Off	On	Off	Off	Off	Off	Off
252	On	On	Off	Off	Off	Off	Off	Off
253	Off	On	Off	Off	Off	Off	Off	Off
254	On	Off	Off	Off	Off	Off	Off	Off
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 1 is the Least Significant Bit and switch 8 is the Most Significant Bit. The switches have the following decimal values: switch 1=1, 2=2, 3=4, 4=8, 5=16, 6=32, 7=64, 8=128. Turn off the switches and add the values of the off switches to obtain the correct node address. (On=0, Off=1)

INTERRUPT REQUEST SELECTION
IRQ	JP1	JP2	JP3	JP4	JP5
2	Closed	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

I/O BASE ADDRESS SELECTION
Address	SW2/1	SW2/2	SW2/3	SW2/4	SW2/5	SW2/6
200h	Off	On	On	On	On	On
250h	Off	On	On	Off	On	Off
2A0h	Off	On	Off	On	Off	On
2E0h	Off	On	Off	Off	Off	On
2F0h	Off	On	Off	Off	Off	Off
300h	Off	Off	On	On	On	On
350h	Off	Off	On	Off	On	Off
3E0h	Off	Off	Off	Off	Off	Off

BUFFER ADDRESS SELECTION
Address	SW1/1	SW1/2	SW1/3	SW1/4	SW1/5	SW1/6
C0000h	Off	Off	On	On	On	On
C4000h	Off	Off	On	On	On	Off
C8000h	Off	Off	On	On	On	On
CC000h	Off	Off	On	On	Off	Off
D0000h	Off	Off	On	Off	On	On
D4000h	Off	Off	On	Off	On	On
D8000h	Off	Off	On	Off	Off	On
DC000h	Off	Off	On	Off	Off	Off
E0000h	Off	Off	Off	On	On	On

FACTORY CONFIGURED SETTINGS
Switch	Setting
SW1/7	On
SW1/8	On