DAVID SYSTEMS, INC.
ETHER-T PC/AT ADAPTER
NIC Type | Ethernet |
Transfer Rate | 10Mbps |
Data Bus | 8/16-bit ISA |
Topology | Star |
Wiring Type | Shielded/Unshielded twisted pair AUI Transceiver via DB-15 port |
Boot ROM | Not Available |

CABLE TYPE | ||
Type | JP15-22 | |
| » | Shielded/Unshielded twisted pair | Pins 1 & 2 Closed |
AUI transceiver via DB-15 port | Pins 2 & 3 Closed | |

DIAGNOSTIC LED(S) | |||
LED | Color | Status | Condition |
LED1 | Red | Blinking | Collision detected on network |
LED1 | Red | On | Too many collisions; possible network problem |
LED2 | Green | On | Good network cabling connection. |
LED2 | Green | Off | Bad connection, or a break in the cabling. |
LED3 | Yellow | Blinking | Data is being received. |
LED4 | Green | Blinking | Data is being transmitted. |
BOOT ROM SETTINGS | |||||||||
Condition | JP7 | JP8 | JP9 | JP10 | JP11 | JP12 | JP13 | JP14 | |
| » | Disabled | 2&3 | 1&2 | 1&2 | 2&3 | 2&3 | 1&2 | 2&3 | 2&3 |
Note: Pins designated should be in the closed position. This board was designed with a boot ROM socket, but it was never implemented. Therefore jumpers JP7 to JP14 must always be set as they are shown in this table. | |||||||||
I/O BASE ADDRESS | ||||||
I/O | JP1 | JP2 | JP3 | JP4 | JP5 | JP6 |
100h | Open | Closed | Open | Open | Open | Open |
110h | Open | Closed | Open | Open | Open | Closed |
120h | Open | Closed | Open | Open | Closed | Open |
130h | Open | Closed | Open | Open | Closed | Closed |
140h | Open | Closed | Open | Closed | Open | Open |
150h | Open | Closed | Open | Closed | Open | Closed |
160h | Open | Closed | Open | Closed | Closed | Open |
170h | Open | Closed | Open | Closed | Closed | Closed |
180h | Open | Closed | Closed | Open | Open | Open |
190h | Open | Closed | Closed | Open | Open | Closed |
1A0h | Open | Closed | Closed | Open | Closed | Open |
1B0h | Open | Closed | Closed | Open | Closed | Closed |
1C0h | Open | Closed | Closed | Closed | Open | Open |
1D0h | Open | Closed | Closed | Closed | Open | Closed |
1E0h | Open | Closed | Closed | Closed | Closed | Open |
1F0h | Open | Closed | Closed | Closed | Closed | Closed |
200h | Closed | Open | Open | Open | Open | Open |
210h | Closed | Open | Open | Open | Open | Closed |
220h | Closed | Open | Open | Open | Closed | Open |
230h | Closed | Open | Open | Open | Closed | Closed |
240h | Closed | Open | Open | Closed | Open | Open |
250h | Closed | Open | Open | Closed | Open | Closed |
260h | Closed | Open | Open | Closed | Closed | Open |
270h | Closed | Open | Open | Closed | Closed | Closed |
280h | Closed | Open | Closed | Open | Open | Open |
290h | Closed | Open | Closed | Open | Open | Closed |
2A0h | Closed | Open | Closed | Open | Closed | Open |
2B0h | Closed | Open | Closed | Open | Closed | Closed |
2C0h | Closed | Open | Closed | Closed | Open | Open |
2D0h | Closed | Open | Closed | Closed | Open | Closed |
2E0h | Closed | Open | Closed | Closed | Closed | Open |
2F0h | Closed | Open | Closed | Closed | Closed | Closed |
300h | Closed | Closed | Open | Open | Open | Open |
310h | Closed | Closed | Open | Open | Open | Closed |
320h | Closed | Closed | Open | Open | Closed | Open |
330h | Closed | Closed | Open | Open | Closed | Closed |
340h | Closed | Closed | Open | Closed | Open | Open |
350h | Closed | Closed | Open | Closed | Open | Closed |
360h | Closed | Closed | Open | Closed | Closed | Open |
370h | Closed | Closed | Open | Closed | Closed | Closed |
380h | Closed | Closed | Closed | Open | Open | Open |
390h | Closed | Closed | Closed | Open | Open | Closed |
3A0h | Closed | Closed | Closed | Open | Closed | Open |
3B0h | Closed | Closed | Closed | Open | Closed | Closed |
3C0h | Closed | Closed | Closed | Closed | Open | Open |
3DOh | Closed | Closed | Closed | Closed | Open | Closed |
3E0h | Closed | Closed | Closed | Closed | Closed | Open |
3F0h | Closed | Closed | Closed | Closed | Closed | Closed |