The Retro Web CNET CN190ST Network Interface Card
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
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 |