The Retro Web CN700E CNET Network Interface Card Instructions
- August 6, 2024
- The Retro Web
Table of Contents
The Retro Web CN700E CNET Network Interface Card
Product Specifications
- NIC Type: Ethernet
- Transfer Rate: 10Mbps
- Data Bus: 8-bit ISA
- Topology: Star
- Wiring Type: Unshielded twisted pair
- Boot ROM: Available, AUI transceiver via DB-15 port
Product Usage Instructions
Jumper Settings
Configure the jumper settings as per the following instructions:
- Wait State: Adjust JP3 based on performance needs.
- Link Integrity Test: Disable for AUI transceiver usage.
- Cable Type: Configure JP7-JP13 accordingly.
- Interrupt Request (IRQ): Set JP14-JP18 as needed.
Boot ROM Settings
Adjust SW1 settings for Boot ROM as follows:
- SW1/1: Off for On setting
- SW1/2: Configure based on requirements
- SW1/3 – SW1/10: Set addresses as needed
Diagnostic LEDs
Interpret the LED status as follows:
- LED1: Indicates twisted pair network connection status.
- LED2: Shows data transmission/receptio status.
Frequently Asked Questions (FAQ)
-
Q: What should I do if the network connection is broken?
A: If the LED indicates the network connection is broken, check the wiring and ensure proper connections. Contact support if the issue persists. -
Q: How do I optimize performance if it is sluggish?
A: Test different wait state settings using JP3 until you find the best selection for your system’s performance.
Chapter 5: Jumper Settings
THE NETWORK INTERFACE CARD TECHNICAL GUIDE 356
CNET TECHNOLOGY, INC.
C N 7 0 0 E
- NIC Type Ethernet
- Transfer Rate 10Mbps
- Data Bus 8-bit ISA
- Topology Star
- Wiring Type Unshielded twisted pair
- AUI transciever via DB-15 port
- Boot ROM Available
| FACTORY CONFIGURED SETTINGS|
---|---|---
Jumper
Setting
JP1| Pins 1 & 2 Closed
JP2| Pins 1 & 2 Closed
| WAIT STATE|
---|---|---
Setting
JP3
íNormal PC wait state (0 Wait States)| Pins 2 & 3 Closed
0 wait states| Pins 1 & 4 closed
1 wait states| Pins 2 & 5 closed
2 wait states| Pins 3 & 6 closed
Note: Normal wait state is recommended in most PC installations. If
performance is sluggish, test other wait state settings until the best
selection is found for the system being used.
| LINK INTEGRITY TEST|
---|---|---
Setting
JP31
íEnabled| Pins 1 & 2 Closed
Disabled| Pins 2 & 3 Closed
Note: Link Integrity is only used with 10Base-T wiring. When using an AUI
transciever, the test should be disabled.
| CABLE TYPE|
---|---|---
Type
JP7 – JP13
íUnshielded twisted pair| Pins 2-3 Closed
AUI transceiver via DB-15 port| Pins 1-2 Closed
| INTERRUPT REQUEST|
---|---|---
IRQ| JP14| JP15| JP16| JP17| JP18
2/9| Open| Open| Open| Open| Closed
í3| Open| Open| Open| Closed| Open
4| Open| Open| Closed| Open| Open
5| Open| Closed| Open| Open| Open
7| Closed| Open| Open| Open| Open
| BOOT ROM|
---|---|---
Setting
SW1/1
íDisabled| Off
Enabled| On
| BOOT ROM ADDRESS|
---|---|---
Address| SW1/2| SW1/3| SW1/4| SW1/5| SW1/6
C0000h| Off| On| On| On| On
C4000h| Off| On| On| On| Off
C8000h| Off| On| On| Off| On
CC000h| Off| On| On| Off| Off
D0000h| Off| On| Off| On| On
D4000h| Off| On| Off| On| Off
íD8000h| Off| On| Off| Off| On
DC000h| Off| On| Off| Off| Off
| I/O BASE ADDRESS|
---|---|---
Address SW1/7 SW1/8
SW1/9 SW1/10
200h| On| On| On| On
220h| On| On| On| Off
240h| On| On| Off| On
í280h| On| Off| On| On
2A0h| On| Off| On| Off
2C0h| On| Off| Off| On
300h| Off| On| On| On
320h| Off| On| On| Off
340h| Off| On| Off| On
| DIAGNOSTIC LED(S)|
---|---|---
LED Status
Condition
LED1| On| Twisted pair network connection is good
LED1| Off| Twisted pair network connection is broken
LED2| On| Data is being transmitted or received
LED2| Off| Data is not being transmitted or received