UNICOM ELECTRIC, INC.
16-BIT ETHERNET ADAPTER
NIC Type |
Ethernet |
Transfer Rate |
10Mbps |
Data Bus |
16-bit ISA |
Topology |
Star |
Wiring Type |
Unshielded twisted pair AUI transceiver via DB-15 port |
Boot ROM |
Available |
COMPATIBILITY MODE | ||
Setting |
JP1 | |
» |
Disabled |
Pins 1 & 2 closed |
Enabled |
Pins 2 & 3 closed | |
Note:On some systems the data bus timing is not truly IBM PC/AT compatible. If the card is not initializing enabling compatibility mode may allow the card to operate properly. |
I/O BASE ADDRESS | ||||
Address |
JP2A |
JP2B |
JP2C | |
200 - 21Fh |
Open |
Closed |
Closed | |
220 - 23Fh |
Open |
Closed |
Open | |
240 - 25Fh |
Open |
Open |
Closed | |
260 - 27Fh |
Open |
Open |
Open | |
300 - 31Fh |
Closed |
Closed |
Closed | |
320 - 33Fh |
Closed |
Closed |
Open | |
» |
340 -35Fh |
Closed |
Open |
Closed |
360 - 37Fh |
Closed |
Open |
Open |
INTERRUPT REQUEST | |||||||
IRQ |
JP3A |
JP3B |
JP3C |
JP3D |
JP3E |
JP3F | |
2/9 |
Open |
Open |
Open |
Open |
Open |
Closed | |
» |
3 |
Closed |
Open |
Open |
Open |
Open |
Open |
4 |
Open |
Closed |
Open |
Open |
Open |
Open | |
5 |
Open |
Open |
Closed |
Open |
Open |
Open | |
6 |
Open |
Open |
Open |
Closed |
Open |
Open | |
7 |
Open |
Open |
Open |
Open |
Closed |
Open |
BOOT ROM ADDRESS | ||||
Address |
JP4A |
JP4B |
JP4C | |
C0000 - C3FFFh |
Closed |
Closed |
Closed | |
C4000 - C7FFFh |
Closed |
Closed |
Open | |
C8000 - CBFFFh |
Closed |
Open |
Closed | |
CC000 - CFFFFh |
Closed |
Open |
Open | |
» |
D0000 - D3FFFh |
Open |
Closed |
Closed |
D4000 - D7FFFh |
Open |
Closed |
Open | |
D8000 - DBFFFh |
Open |
Open |
Closed | |
DC000 - DFFFFh |
Open |
Open |
Open |
BOOT ROM | ||
Setting |
JP5 | |
» |
Disabled |
Pins 2 & 3 closed |
Enabled |
Pins 1 & 2 closed |
CABLE TYPE | ||
Type |
JP6 | |
» |
Unshielded twisted pair |
Pins 2 & 3 closed |
AUI transceiver via DB-15 port |
Pins 1 & 2 closed |
DIAGNOSTIC LED(S) | |||
LED |
Color |
Status |
Condition |
LED1 |
Red |
On |
Data is being received |
LED1 |
Red |
Off |
Data is not being received |
LED2 |
Green |
On |
Data is being transmitted |
LED2 |
Green |
Off |
Data is not being transmitted |
LED3 |
Yellow |
On |
Twisted pair network connection is good |
LED3 |
Yellow |
Off |
Twisted pair network connection is broken |
LED4 |
Orange |
On |
Receive wire polarity reversed |
LED4 |
Orange |
Off |
Receive wire polarity normal |