The Retro Web CNET CN210E Device Instructions
- August 6, 2024
- The Retro Web
Table of Contents
The Retro Web CNET CN210E Device
Product Specifications
- Brand: CNET TECHNOLOGY, INC.
- Model: CN210E
- NIC Type: Ethernet 10Mbps
- Transfer Rate: 10Mbps
- Data Bus: 8/16-bit ISA
- Toplogy: Linear bus
- Wiring Type: Unshielded twisted pair RG58A/U 50ohm coaxial
Product Usage Instructions
Chapter 5: Jumper Settings
Refer to the jumper settings outlined in the manual to configure the device
for proper operation. Make sure to set the jumpers as per the specified
settings for interrupt, cable type, DMA channel, boot ROM address, and base
I/O address.
BOOT ROM Configuration
- BOOT ROM Address: W12 – Closed Closed Open Open
- BOOT ROM W16: Closed Open
Interrupt Settings
- IRQ 2: Closed Open
- IRQ 3: Open Closed Open
- IRQ 4: Open Open Closed Open
- IRQ 5: Open Open Open Closed
- IRQ 10: Open Open Open Open Closed
- IRQ 11: Open Open Open Open Open Closed
- IRQ 12: Open Open Open Open Open Open Closed
- IRQ 14: Open Open Open Open Open Open Open Closed
- IRQ 15: Open Open Open Open Open Open Open Open Closed
DMA Channel Configuration
- DMA Channel 3: W26 – Closed Open Open Open
- DMA Channel 5: W27 – Open Open Open Closed
- DMA Channel 6: W28 – Open Closed Open
- DMA Channel 7: W29 – Closed Open Closed
Terminator Settings
Ensure JP1 is configured with Pins 2 & 3 closed and Pins 1 & 2 closed as
specified in Chapter 5.
Frequently Asked Questions (FAQ)
-
Q: How do I know which IRQ setting to use?
A: Refer to the IRQ table provided in Chapter 5 and set the IRQ jumper based on your system requirements. -
Q: What is the significance of the DMA channels?
A: DMA channels are used for data transfer between the NIC and the system memory. Refer to the DMA Channel Configuration section for proper settings.
Chapter 5: Jumper Settings
CNET TECHNOLOGY, INC. CN210E
- NIC Type Ethernet
- Transfer Rate 10Mbps
- Data Bus 8/16-bit ISA
- Topology Linear bus
- Wiring Type Unshielded twisted pair
- RG58A/U 50ohm coaxial
- DIX transceiver via DB-15
- Boot ROM Available
CABLE TYPE
Type
JP2
Unshielded twisted pair| Open
íRG58A/U 50ohm coaxial| Closed
DIX transceiver via DB-15 port| Open
INTERRUPT SETTINGSS
IRQ| W2| W3| W4| W5| W6| W7| W8| W9| W10
2/9| Closed| Open| Open| Open| Open| Open| Open| Open| Open
3| Open| Closed| Open| Open| Open| Open| Open| Open| Open
4| Open| Open| Closed| Open| Open| Open| Open| Open| Open
5| Open| Open| Open| Closed| Open| Open| Open| Open| Open
10| Open| Open| Open| Open| Closed| Open| Open| Open| Open
11| Open| Open| Open| Open| Open| Closed| Open| Open| Open
12| Open| Open| Open| Open| Open| Open| Closed| Open| Open
14| Open| Open| Open| Open| Open| Open| Open| Closed| Open
15| Open| Open| Open| Open| Open| Open| Open| Open| Closed
BOOT ROM
Setting
W11
íDisabled| Open
Enabled| Closed
BOOT ROM ADDRESS
Address W12
W13
í C8000h| Closed| Closed
CC000h| Closed| Open
D0000h| Open| Closed
D4000h| Open| Open
BASE I/O ADDRESS
Address W14
W15
í 300h| Open| Open
320h| Open| Closed
340h| Closed| Open
360h| Open| Open
WAIT STATE CONFIGURATION
Wait State(s)
W16
0 wait states| Closed
1 wait state| Open
| DMA CHANNEL|
---|---|---
Channel| W26| W27| W28| W29| W30| W31| W32| W33
DMA3| Closed| Open| Open| Open| Closed| Open| Open| Open
DMA5| Open| Open| Open| Closed| Open| Open| Open| Closed
DMA6| Open| Open| Closed| Open| Open| Open| Closed| Open
DMA7| Open| Closed| Open| Open| Open| Closed| Open| Open
TERMINATOR
Setting
JP1
íUnterminated| Pins 2 & 3 closed
Coaxial linear-bus terminated by card| Pins 1 & 2 closed