CNET TECHNOLOGY, INC.
CN850E
|
NIC Type |
Ethernet |
|
Transfer Rate |
10Mbps |
|
Data Bus |
16-bit ISA |
|
Topology |
Star Linear Bus |
|
Wiring Type |
Unshielded twisted pair RG-58A/U 50ohm coaxial AUI transceiver via DB-15 port |
|
Boot ROM |
Available |
|
INTERRUPT REQUEST | ||||||||||
|
IRQ |
JP1A |
JP1B |
JP1C |
JP1D |
JP1E |
JP1F |
JP1G |
JP1H |
JP1I | |
|
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 | |
|
7 |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open | |
|
10 |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open | |
|
11 |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open | |
|
12 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open | |
|
15 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed | |
|
WAIT STATE | |||
|
Setting |
JP2A |
JP2B | |
| » |
0 Wait states |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
1 Wait state |
Pins 2 & 3 closed |
Pins 1 & 2 closed | |
|
2 Wait states |
Pins 2 & 3 closed |
Pins 2 & 3 closed | |
|
BOOT ROM | ||
|
Setting |
JP5 | |
| » |
Disabled |
Pins 1 & 2 closed |
|
Enabled |
Pins 2 & 3 closed | |
|
BOOT ROM SIZE | |||
|
Size |
JP6 |
JP7 | |
| » |
16KB |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
32KB |
Pins 2 & 3 closed |
Pins 1 & 2 closed | |
|
64KB |
Pins 2 & 3 closed |
Pins 2 & 3 closed | |
|
CABLE TYPE | |||
|
Type |
JP11 |
JP16 | |
| » |
RG-58A/U 50ohm coaxail |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
Unshielded twisted pair |
Pins 1 & 2 closed |
Pins 2 & 3 closed | |
|
AUI transceiver via DB-15 port |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
|
ONBOARD TERMINATOR | ||
|
Setting |
JP12 | |
| » |
Disabled |
pins 1 & 2 closed |
|
Enabled |
pins 2 & 3 closed | |
|
LINK INTEGRITY TEST | |
|
Setting |
JP31 |
|
Enabled |
Pins 1 & 2 Closed |
|
Disabled |
Pins 2 & 3 Closed |
|
Note:Link Integrity is only used with 10Base-T wiring. When using other than 10BaseT, the test should be disabled. | |
|
BOOT ROM ADDRESS | ||||||
|
Address |
Boot ROM Size |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 | |
|
C0000h |
16KB |
On |
On |
On |
On | |
|
C0000h |
32KB |
On |
On |
On |
Off | |
|
C0000h |
64KB |
On |
On |
Off |
Off | |
|
C4000h |
16KB |
On |
On |
On |
Off | |
|
C8000h |
16KB |
On |
On |
Off |
On | |
|
C8000h |
32KB |
On |
On |
Off |
Off | |
|
CC000h |
16KB |
On |
On |
Off |
Off | |
|
D0000h |
16KB |
On |
Off |
On |
On | |
|
D0000h |
32KB |
On |
Off |
On |
Off | |
|
D0000h |
64KB |
On |
Off |
Off |
Off | |
|
D4000h |
16KB |
On |
Off |
On |
Off | |
| » |
D8000h |
16KB |
On |
Off |
Off |
On |
|
D8000h |
32KB |
On |
Off |
Off |
Off | |
|
DC000h |
16KB |
On |
Off |
Off |
Off | |
|
I/O BASE ADDRESS | |||||
|
Address |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 | |
|
200-2IFh |
On |
On |
On |
On | |
|
220-23Fh |
On |
On |
On |
Off | |
|
240-25Fh |
On |
On |
Off |
On | |
| » |
280-29Fh |
On |
Off |
On |
On |
|
2A0-2BFh |
On |
Off |
On |
Off | |
|
2C0-2DFh |
On |
Off |
Off |
On | |
|
300-31Fh |
Off |
On |
On |
On | |
|
320-33Fh |
Off |
On |
On |
Off | |
|
340-35Fh |
Off |
On |
Off |
On | |
|
DIAGNOSTIC LED(S) | |||
|
LED |
Color |
Status |
Condition |
|
1 |
Green |
On |
Twisted pair network connection is good |
|
1 |
Green |
Off |
Twisted pair network connection is broken |
|
2 |
Red |
On/Blinking |
Data is being received |
|
2 |
Red |
Off |
Data is not being received |