ALTA RESEARCH CORPORATION
ETHERCOMBO-16 T/C (VERSION 2.0)
| NIC Type | Ethernet | 
| Transfer Rate | 10Mbps | 
| Data Bus | 16-bit ISA | 
| Topology | Star Linear bus | 
| Wiring Type | Shielded/Unshielded twisted pair RG58A/U 50ohm coaxial | 
| Boot ROM | Available | 
 
| BOOT ROM | ||
| Setting | J7 | |
| » | Disabled | Open | 
| Enabled | Closed | |
| BOOT ROM ADDRESS | |||
| Boot ROM Address | J5 | J6 | |
| » | C800h | Open | Open | 
| CC00h | Closed | Open | |
| D000h | Open | Closed | |
| D400h | Closed | Closed | |
| BUS WIDTH | ||
| Bus | J15 | |
| » | 16-bit | Open | 
| 8-bit | Closed | |
| BUS COMPATIBILITY | ||
| CHRDY | J16 | |
| » | From Strobes (Motherboard uses VLSI chipset) | Open | 
| From BALE (Motherboard uses C & T chipset) | Closed | |
| CABLE TYPE | |||
| Type | J2 | J3 | |
| » | RG58A/U 50ohm coaxial | Closed | Open | 
| Unshielded twisted pair | Open | Open | |
| Unshielded twisted pair extended mode | Closed | Closed | |
| CONFIGURATION SETTING | ||
| Configuration | J1 | |
| » | Via Software | Closed | 
| Via Hardware | Open | |
| I/O BASE ADDRESS | ||||
| Address | J9 | J10 | J11 | |
| » | 300h - 31Fh | Open | Open | Open | 
| 240h - 25Fh | Open | Closed | Open | |
| 280h - 29Fh | Closed | Closed | Open | |
| 2C0h - 2DFh | Open | Open | Closed | |
| 320h - 33Fh | Closed | Open | Closed | |
| 340h - 35Fh | Open | Closed | Closed | |
| 360h - 37Fh | Closed | Closed | Closed | |
| INTERRUPT REQUEST | ||||
| IRQ | J12 | J13 | J14 | |
| » | 3 | Open | Open | Open | 
| 2/9 | Closed | Closed | Open | |
| 4 | Closed | Open | Open | |
| 5 | Open | Closed | Open | |
| 10 | Open | Open | Closed | |
| 11 | Closed | Open | Closed | |
| 12 | Open | Closed | Closed | |
| 15 | Closed | Closed | Closed | |
| READ ACCESS SELECTION | ||
| Setting | J6 | |
| » | I/O port | Open | 
| Shared memory | Closed | |
| Note:I/O port must be selected when using the Novell NE2000 driver. Shared memory must be used when using WD/SMC8013. Boot PROMS will not operate in the Shared Memory mode. | ||
| DIAGNOSTIC LED(S) | |||
| LED | Color | Status | Condition | 
| LED1 | Green | On | Twisted pair network is valid | 
| 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 | 
| LED4 | Red | On | Twisted pair polarity reversed and corrected | 
| LED4 | Red | Off | Twisted pair polarity correct |