TIARA COMPUTER SYSTEMS, INC.
10BASE-T LanCard PC
NIC Type | Ethernet |
Transfer Rate | 10Mbps |
Data Bus | 8-bit ISA |
Topology | Linear Bus Star |
Wiring Type | Shielded twisted pair Unshielded twisted pair AUI transceiver via DB-15 port |
Boot ROM | Available |

BOOT ROM ADDRESS | ||||||||
Address | JP24 | JP25 | JP26 | JP27 | JP28 | JP29 | JP30 | JP31 |
Disabled | Open | Open | Open | Open | Open | Open | Open | Closed |
C4000h | Open | Open | Open | Open | Open | Open | Closed | Open |
C8000h | Open | Open | Open | Open | Open | Closed | Open | Open |
CC000h | Open | Open | Open | Open | Closed | Open | Open | Open |
D0000h | Open | Open | Open | Closed | Open | Open | Open | Open |
D4000h | Open | Open | Closed | Open | Open | Open | Open | Open |
D8000h | Open | Closed | Open | Open | Open | Open | Open | Open |
DC000h | Closed | Open | Open | Open | Open | Open | Open | Open |
Note:JP32 and JP33 should remain with pins 2 & 3 closed. | ||||||||
INTERRUPT REQUEST | ||||||
IRQ | JP5 | JP6 | JP7 | JP8 | JP9 | |
| » | 3 | Open | Open | Open | Closed | Open |
2 | Open | Open | Open | Open | Closed | |
4 | Open | Open | Closed | Open | Open | |
5 | Open | Closed | Open | Open | Open | |
7 | Closed | Open | Open | Open | Open | |
WAIT STATE | ||
Setting | JP34 | |
| » | Zero wait states disabled | Pins 2 & 3 closed |
Zero wait states enabled | Pins 1 & 2 closed | |
CABLE TYPE | |||
Type | JP1 | JP2 | JP3 |
Shielded/Unshielded twisted pair (10Base-T Standard) | Open | Closed | Open |
AUI transceiver via DB-15 port | Open | Open | Closed |
Shielded/Unshielded twisted pair (Pre-10Base-T Standard) | Closed | Open | Open |
I/O BASE ADDRESS | |||||||||
Address | JP10 | JP11 | JP12 | JP13 | JP14 | JP15 | JP16 | JP17 | |
| » | 300h | Open | Open | Open | Open | Open | Open | Open | Closed |
260h | Open | Open | Open | Closed | Open | Open | Open | Open | |
280h | Open | Open | Closed | Open | Open | Open | Open | Open | |
2A0h | Open | Closed | Open | Open | Open | Open | Open | Open | |
2E0h | Closed | Open | Open | Open | Open | Open | Open | Open | |
320h | Open | Open | Open | Open | Open | Open | Closed | Open | |
380h | Open | Open | Open | Open | Open | Closed | Open | Open | |
3E0h | Open | Open | Open | Open | Closed | Open | Open | Open | |
DMA CHANNEL | |||||||
Setting | JP18 | JP19 | JP20 | JP21 | JP22 | JP23 | |
| » | Disabled | Open | Open | Closed | Open | Open | Closed |
DMA1 | Closed | Open | Open | Closed | Open | Open | |
DMA3 | Open | Closed | Open | Open | Closed | Open | |
DB-15 PORT GROUND CONFIGURATION | |
DB-15 Standard | JP4 |
AUI | Pins 1 & 2 closed |
DIX | Pins 2 & 3 closed |

DIAGNOSTIC LED(S) | ||
LED | Status | Condition |
1 | On | Data is being transmitted |
1 | Off | Data is not being transmitted |
2 | On | Data is being received |
2 | Off | Data is not being received |
3 | On | Collision detected on network |
3 | Off | No Collisions detected on network |
4 | On | twisted pair network connection is good |
4 | Off | twisted pair network connection is broken |
5 | On | Power on |
5 | Off | Power off |