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The Retro Web CNET CN190ST Network Interface Card

The-Retro-Web-CNET-CN190ST-Network-Interface-Card-PRODUCT

Product Specifications

  • Brand: CNET TECHNOLOGY, INC.
  • Model: CN190ST
  • NIC Type: ARCnet
  • Transfer Rate: 2.5Mbps
  • Data Bus: 16-bit ISA
  • Toplogy: Star
  • Wiring Type: Unshielded twisted pair RG-62A/U 93ohm coaxial
  • Boot ROM: Available

Product Usage Instructions

Node Address Settings:
Node addresses range from 1 to 254. Follow the table provided in the manual to set the node address using the switches SW1/1 to SW1/8.

Response/Reconfiguration Timeouts
Set the response and reconfiguration timeouts according to your network requirements using JP1 jumper settings.

Interrupt Request Settings
Configure the interrupt request settings using JP3, JP4, JP5, JP6, JP7, JP9, JP10, JP11, JP12, JP14, and JP15 as per your system setup.

Cable Type and I/O Base Address
Set the cable type and I/O base address by configuring JP16, JP17, SW2/1, SW2/2, SW2/3, SW2/4 according to the specified values in the manual.

Base Memory Address & Boot ROM Address
Adjust the base memory address and boot ROM address using SW2/5, SW2/6, SW2/7, and SW2/8 switches as indicated in the manual.

Diagnostic LED Status:
Monitor data transmission or reception status through LED1. When on, data is being transmitted or received; when off, no data is being transmitted or received.
Frequently Asked Questions (FAQ)

Q: How many node addresses are available for setting?
A: A total of 255 node address settings are available.

Q: What does the diagnostic LED indicate?
A: The LED1 indicates whether data is being transmitted or received (on) or not (off).

THE NETWORK INTERFACE CARD TECHNICAL GUIDE 336

Chapter 5: Jumper Settings

CNET TECHNOLOGY, INC.

  • C N 1 9 0 S T
  • NIC Type ARCnet
  • Transfer Rate 2.5Mbps
  • Data Bus 16-bit ISA
  • Topology Star
  • Wiring Type Unshielded twisted pair
  • RG-62A/U 93ohm coaxial
  • Boot ROM Available

The-Retro-Web-CNET-CN190ST-Network-Interface-Card-

NODE ADDRESS
Node SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 SW1/6 SW1/7 SW1/8
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 represe decimal node addresses. Switch 1 is the Least Significant Bit and switch 8 is the Most The switches have the following decimal values: switch 1=1, 2=2, 3=4, 4=8, 5=16, 6=32, Turn off th switches and add the values of the off switches to obtain the correct node ad off=1)
ntation of the Significant Bit. 7=64, 8=128.dress. (On=0,
RESPONSE/RECONFIGURATION TIMEOUTS
Response Time                Reconfiguration Time                          JP1                                        JP2
74.7ms 840ms Open Open
283.4ms 1680ms Closed Open
561.8ms 1680ms Open Closed
1118.6ms 1680ms Closed Closed
Note: All NICs on the network must have this option set the same.
INTERRUPT REQUEST
IRQ JP3 JP4 JP5 JP6 JP7 JP9 JP10 JP11 JP12 JP14 JP15
í3 Close d Open Open Open Open Open Open Open Open Open Open
4 Open Close d Open Open Open Open Open Open Open Open Open
5 Open Open Close d Open Open Open Open Open Open Open Open
6 Open Open Open Close d Open Open Open Open Open Open Open
7 Open Open Open Open Close d Open Open Open Open Open Open
9 Open Open Open Open Open Close d Open Open Open Open Open
10 Open Open Open Open Open Open Close d Open Open Open Open
11 Open Open Open Open Open Open Open Close d Open Open Open
12 Open Open Open Open Open Open Open Open Close d Open Open
14 Open Open Open Open Open Open Open Open Open Close d Open
15 Open Open Open Open Open Open Open Open Open Open Close d
CABLE TYPE
Type                                                                            JP16 & JP17
íUnshielded twisted pair Pins 1 & 2 Closed
RG-62A/U 93ohm coaxial Pins 2 & 3 Closed
I/O BASE ADDRESS
Address                        SW2/1                          SW2/2                          SW2/3                          SW2/4
200h On On On On
220h On On On Off
240h On On Off On
260h On On Off Off
280h On Off On On
2A0h On Off On Off
2C0h On Off Off On
2E0h On Off Off Off
300h Off On On On
320h Off On On Off
340h Off On Off On

THE NETWORK INTERFACE CARD TECHNICAL GUIDE

360h Off On Off Off
380h Off Off On On
3A0h Off Off On Off
3C0h Off Off Off On
3E0h Off Off Off Off
BASE MEMORY ADDRESS & BOOT ROM ADDRESS
Base Address Boot ROM Address SW2/5 SW2/6 SW2/7 SW2/8
C0000h C4000h Off On On On
C8000h CC000h Off On On Off
íD0000h D4000h Off On Off On
D8000h DC000h Off On Off Off
E0000h E4000h Off Off On On
DIAGNOSTIC LED(S)
LED                                       Status                                                       Condition
LED1 On Data is being transmitted or received
LED1 Off Data is not being transmitted or received

Documents / Resources

The Retro Web CNET CN190ST Network Interface Card [pdf] Instructions
40176, N0176, CNET CN190ST Network Interface Card, CNET CN190ST, CNET, CN190ST, Card, Network Card, Interface Card, Network Interface Card, CNET Network Interface Card, CN190ST Network Interface Card

References

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