DAVID SYSTEMS, INC.
ETHER-T AT ADAPTER
NIC Type | Ethernet |
Transfer Rate | 10Mbps |
Data Bus | 16-bit ISA |
Topology | Star |
Wiring Type | Shielded/Unshielded twisted pair AUI Transceiver via DB-15 port |
Boot ROM | Available |

INTERRUPT REQUEST | |||||||||||
IRQ | JP2 | JP3 | JP4 | JP5 | JP6 | JP7 | JP8 | JP9 | JP10 | JP11 | |
2 | Open | Open | Open | Open | Open | Open | Open | Open | Open | Closed | |
| » | 3 | Open | Open | Open | Open | Open | Open | Open | Open | Closed | Open |
4 | Open | Open | Open | Open | Open | Open | Open | Closed | Open | Open | |
5 | Open | Open | Open | Open | Open | Open | Closed | Open | Open | Open | |
6 | Open | Open | Open | Open | Open | Closed | Open | Open | Open | Open | |
7 | Open | Open | Open | Open | Closed | Open | Open | Open | Open | Open | |
10 | Open | Open | Open | Closed | Open | Open | Open | Open | Open | Open | |
11 | Open | Open | Closed | Open | Open | Open | Open | Open | Open | Open | |
12 | Open | Closed | Open | Open | Open | Open | Open | Open | Open | Open | |
15 | Closed | Open | Open | Open | Open | Open | Open | Open | Open | Open | |
CABLE TYPE | ||
Type | JP7-12 | |
| » | Shielded/Unshielded twisted pair | Pins 1 & 2 Closed |
AUI transceiver via DB-15 port | Pins 2 & 3 Closed | |
BOOT ROM ADDRESS | |||
ROM Address | SW1/5 | SW1/6 | |
C0000h-C3FFFh | On | On | |
C4000h-C7FFFh | Off | On | |
C8000h-CBFFFh | On | Off | |
| » | CC000h-CFFFFh | Off | Off |
I/O BASE ADDRESS | |||||
I/O | SW1/1 | SW1/2 | SW1/3 | SW1/4 | |
280h-29Fh | On | On | On | On | |
| » | 2A0h-2BFh | On | Off | On | On |
| 2C0h-2DFh | On | On | Off | On | |
2E0h-2FFh | On | Off | Off | On | |
300h-31Fh | On | On | On | Off | |
320h-33Fh | On | Off | On | Off | |
340h-35Fh | On | On | Off | Off | |
360h-37Fh | On | Off | Off | Off | |
LINK TEST SIGNAL | ||
Mode | JP10 | |
| » | Link test signal Enabled | Pins 1 & 2 Closed |
Link test signal Disabled | Pins 2 & 3 Closed | |
Note: When the link test signal is enabled it checks the cable path for proper wiring. | ||
COMPATIBILITY | ||
Mode | JP1 | |
| » | Compatibility on | Pins 1 & 2 Closed |
Compatibility off | Pins 2 & 3 Closed | |
Note: If one of the following problems persist after checking all other possibilities disabled compatibility. Intermittent failures when booting the PC, system lock up, continuous network error messages. | ||

DIAGNOSTIC LED(S) | |||
LED | Color | Status | Condition |
LED1 | Red | On | The adapter or hub port is malfunctioning. |
LED1 | Red | Off | The adapter or hub port is operating correctly. |
LED2 | Green | On | Good network cabling connection. |
LED2 | Green | Off | Bad connection, or a break in the cabling. |
LED3 | Red | Blinking | Data is being transmitted. |
LED3 | Red | Off | Data is not being transmitted. |
LED4 | Red | Blinking | Data is being received. |
LED4 | Red | Off | Data is not being received. |
FACTORY CONFIGURED SETTINGS | |
LED | Condition |
SW1/7 | Unused |
SW1/8 | Unused |