ALTA RESEARCH CORPORATION
ETHERCOMBO-16 T(VERSION 1.0)
| NIC Type | Ethernet | 
| Transfer Rate | 10Mbps | 
| Data Bus | 8/16-bit ISA | 
| Topology | Star | 
| Wiring Type | Unshielded twisted pair | 
| Boot ROM | Available | 
 
| I/O BASE ADDRESS AND BOOT ROM ADDRESS | ||||
| I/O Address | Boot ROM Address | JP1A | JP1B | |
| » | 300-31Fh | C8000h | Closed | Closed | 
| 320-33Fh | CC000h | Open | Closed | |
| 340-35Fh | D0000h | Closed | Open | |
| 360-37Fh | D4000h | Open | Open | |
| INTERRUPT REQUEST | |||||||||||
| IRQ | JP1C | JP1D | JP1E | JP1F | JP1G | JP2A | JP2B | JP2C | JP2D | JP2E | |
| 2/9 | Closed | Open | Open | Open | Open | Open | Open | Open | Open | Open | |
| » | 3 | Open | Closed | Open | Open | Open | Open | Open | Open | Open | Open | 
| 4 | Open | Open | Closed | Open | Open | Open | Open | Open | Open | Open | |
| 5 | Open | Open | Open | Closed | Open | Open | Open | Open | Open | Open | |
| 7 | Open | Open | Open | Open | Closed | Open | Open | Open | Open | Open | |
| 10 | Open | Open | Open | Open | Open | Open | Open | Open | Open | Closed | |
| 11 | Open | Open | Open | Open | Open | Open | Open | Open | Closed | Open | |
| 12 | Open | Open | Open | Open | Open | Open | Open | Closed | Open | Open | |
| 14 | Open | Open | Open | Open | Open | Closed | Open | Open | Open | Open | |
| 15 | Open | Open | Open | Open | Open | Open | Closed | Open | Open | Open | |
| BOOT ROM | ||
| Setting | JP3 | |
| » | Disabled | Pins 2 & 3 closed | 
| Enabled | Pins 1 & 2 closed | |
| NETWORK STANDARD | ||
| Standard | JP5 | |
| » | 802.3 IEEE | Pins 1 & 2 closed | 
| 802.2 IEEE | Pins 2 & 3 closed | |
| Note:The 802.2 IEEE setting allows the card to act as a bridge between an Ethernet PC network and a
 | ||
| POLARITY LED CONFIGURATION | ||||
| Setting | LED4 | Condition | JP6A & JP6B | |
| » | Normal | On | Polarity reversed & corrected | Pins 1 & 2 closed | 
| Off | Polarity correct | |||
| Reversed | On | Polarity correct | Pins 2 & 3 closed | |
| Off | Polarity reversed & corrected | |||
| Note:Changing this option to reversed does not reverse the polarity of the twisted pair wires, that is done
 | ||||
| COMPATIBILITY MODE | ||
| Setting | JP7 | |
| » | Disabled | Closed | 
| Enabled | Open | |
| Note:If the system in which the card is to be installed is an 80286 using an older C & T or VLSI chipset and the
 | ||
| DIAGNOSTIC LED(S) | |||
| LED | Color | Status | Condition | 
| LED1 | Green | On | Twisted pair network connection is good | 
| LED1 | Green | Off | Twisted pair network connection is broken | 
| LED2 | Red | On | Data is being transmitted or received | 
| LED2 | Red | Off | Data is not being transmitted or received | 
| LED3 | Red | On | Collision detected on network | 
| LED3 | Red | Off | No collisions detected on network | 
| Note:For the function of LED4, please see the Polarity LED Configuration table. | |||