GATEWAY COMMUNICATIONS, INC.
G/ETHERTWIST 8
| 
 NIC Type  | 
 Ethernet  | 
| 
 Transfer Rate  | 
 10Mbps  | 
| 
 Data Bus  | 
 8-bit ISA  | 
| 
 Topology  | 
 Linear bus Star  | 
| 
 Wiring Type  | 
 Unshielded twisted pair  | 
| 
 Boot ROM  | 
 Available  | 
| 
 BOOT ROM ADDRESS  | |||
| 
 PROM Address  | 
 SW1/4  | 
 SW1/5  | 
 SW1/6  | 
| 
 C4000h - C7FFFh  | 
 On  | 
 On  | 
 On  | 
| 
 C8000h - CBFFFh  | 
 Off  | 
 On  | 
 On  | 
| 
 CC000h - CFFFFh  | 
 On  | 
 Off  | 
 On  | 
| 
 D0000h - D3000h  | 
 Off  | 
 Off  | 
 On  | 
| 
 D4000h - D7000h  | 
 On  | 
 On  | 
 Off  | 
| 
 D8000h - DBFFFh  | 
 Off  | 
 On  | 
 Off  | 
| 
 DC000h - DFFFFh  | 
 On  | 
 Off  | 
 Off  | 
| 
 Disabled  | 
 Off  | 
 Off  | 
 Off  | 
| 
 CONNECTIONS  | |
| 
 Purpose  | 
 Location  | 
| 
 On-board link test LED  | 
 JP9, Pins 1 & 3  | 
| 
 Optional link test LED  | 
 JP9, Pins 3 & 4  | 
| 
 Receive LED  | 
 JP9, Pins 5 & 6  | 
| 
 Transmit LED  | 
 JP9, Pins 7 & 8  | 
| 
 Collision LED  | 
 JP9, Pins 9 & 10  | 
| 
 INTERRUPT SELECT  | |||||||
| 
 IRQ  | 
 JP10/A  | 
 JP10/B  | 
 JP10/C  | 
 JP10/D  | 
 JP10/E  | 
 JP10/F  | |
| » | 
 IRQ5  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 IRQ2  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 IRQ3  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 IRQ4  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | |
| 
 IRQ6  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | |
| 
 IRQ7  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | |
| 
 I/O ADDRESS SELECT  | ||||
| 
 Address Range  | 
 SW1/1  | 
 SW1/2  | 
 SW1/3  | |
| » | 
 2A0h - 2BFh  | 
 On  | 
 Off  | 
 On  | 
| 
 260h - 27Fh  | 
 On  | 
 On  | 
 On  | |
| 
 280h - 29Fh  | 
 Off  | 
 On  | 
 On  | |
| 
 2E0h - 2FFh  | 
 Off  | 
 Off  | 
 On  | |
| 
 300h - 31Fh  | 
 On  | 
 On  | 
 Off  | |
| 
 320h - 33Fh  | 
 Off  | 
 On  | 
 Off  | |
| 
 380h - 39Fh  | 
 On  | 
 Off  | 
 Off  | |
| 
 3E0h - 3FFh  | 
 Off  | 
 Off  | 
 Off  | |
| 
 WAIT STATE  | ||
| 
 Setting  | 
 SW1/7  | |
| » | 
 Disabled  | 
 Off  | 
| 
 Enabled  | 
 On  | |
| 
 FACTORY CONFIGURED SETTINGS  | |
| 
 Switch  | 
 Setting  | 
| 
 SW1/8  | 
 N/A  | 
| 
 DIAGNOSTIC LED  | ||
| 
 Color  | 
 Status  | 
 Condition  | 
| 
 Green  | 
 On  | 
 Network connection is good  | 
| 
 Green  | 
 Off  | 
 Network connection is broken  |