The Retro Web CNET CN200E Card Instructions
- August 6, 2024
- The Retro Web
Table of Contents
The Retro Web CNET CN200E Card Instructions
Specifications
- Brand: CNET TECHNOLOGY, INC.
- Model: CN200E
- NIC Type: Ethernet
- Transfer Rate: 10Mbps
- Data Bus: 8-bit ISA
- Topology: Linear Bus
- Wiring Type: RG-58A/U 50ohm coaxial
- Boot ROM: Available via DB-15 port AUI transceiver
Product Usage Instructions
Jumper Settings
To configure the jumper settings on the CN200E network interface card:
- BOOT ROM JP5: Pins 1 & 2 closed for enabled, open for disabled.
- ONBOARD TERMINATOR JP2: Pins 2 & 3 closed for enabled, open for disabled. Use if the card is at either end of a linear bus network segment.
- CABLE TYPE JP1/A-H: Configure based on required wait states.
- WAIT STATE JP4: Configure based on the desired wait state configuration.
- INTERRUPT SELECTION JP5: Configure based on interrupt requirements.
- I/O BASE ADDRESS SW1/2, SW1/3, SW1/4: Set the I/O base address according to the desired settings.
- BOOT ROM ADDRESS SW1/6, SW1/7, SW1/8: Set the boot ROM address as needed.
- DIAGNOSTIC LED(S) SW1/1-SW1/8: Monitor the status and conditions based on LED indications.
FAQ:
-
Q: What does it mean when the diagnostic LED is off?
A: When the diagnostic LED is off, it indicates that the link is not detected or data is not being transmitted/received. -
Q: How do I enable the onboard terminator?
A: To enable the onboard terminator, close pins 2 & 3 on JP2 jumper setting. -
Q: How do I configure the interrupt selection?
A: Refer to the JP5 jumper setting and close the corresponding pins based on the required interrupt selection.
Chapter 5: Jumper Settings
CNET TECHNOLOGY, INC.
C N 2 0 0 E
- NIC Type Ethernet
- Transfer Rate 10Mbps
- Data Bus 8-bit ISA
- Topology Linear Bus
- Wiring Type RG–58A/U 50ohm coaxial
- AUI transceiver via DB-15 port
- Boot ROM Available
| ONBOARD TERMINATOR|
---|---|---
Setting JP2
JP3
íDisabled| Pins 2 & 3 Closed| Open
Enabled| Pins 1 & 2 Closed| 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.
| CABLE TYPE|
---|---|---
Type
JP1/A-H
íRG-58A/U 50ohm coaxial| Pins 1 & 2 closed
AUI transceiver viaDB-15| Pins 2 & 3 closed
| WAIT STATE|
---|---|---
Setting
JP4
í 0 wait states| Pins 2 & 3 closed
1 wait state| Pins 1 & 2 closed
2 wait states| Pins 3 & 4 closed
| INTERRUPT SELECTION|
---|---|---
IRQ
JP5
2/9| Pins 1 & 2 closed
í 3| Pins 3 & 4 closed
4| Pins 5 & 6 closed
5| Pins 7 & 8 closed
7| Pins 9 & 10 closed
10| Pins 11 & 12 closed
11| Pins 13 & 14 closed
12| Pins 15 & 16 closed
14| Pins 17 & 18 closed
15| Pins 19 & 20 closed
| I/O BASE ADDRESS|
---|---|---
Address SW1/1 SW1/2
SW1/3 SW1/4
200 – 21Fh| On| On| On| On
220 – 23Fh| Off| On| On| On
240 – 25Fh| On| Off| On| On
280 – 29Fh| On| On| Off| On
2A0 – 2BFh| Off| On| Off| On
2C0 – 2DFh| On| Off| Off| On
í300 – 31Fh| On| On| On| Off
320 – 33Fh| Off| On| On| Off
340 – 35Fh| On| Off| On| Off
| BOOT ROM ADDRESS
Address| SW1/5| SW1/6| SW1/7| SW1/8
C0000h| On| On| On| On
C4000h| Off| On| On| On
íC8000h| On| Off| On| On
CC000h| Off| Off| On| On
D0000h| On| On| Off| On
D4000h| Off| On| Off| On
D8000h| On| Off| Off| On
DC000h| Off| Off| Off| On
| DIAGNOSTIC LED(S)|
---|---|---
LED Color Status
Condition
LED1| Red| Off| Link not detected
LED1| Red| On| Link detected
LED2| Green| Off| Data is not being transmitted/received
LED2| Green| On| Data is being transmitted/received