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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 |
Documents / Resources
References
