GATEWAY COMMUNICATIONS, INC.
G/ETHERTWIST 8 ADAPTER
|
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 |
|
INTERRUPT REQUEST | |||||||
|
IRQ |
JP2A |
JP2B |
JP2C |
JP2D |
JP2E |
JP2F | |
|
3 |
Open |
Closed |
Open |
Open |
Open |
Open | |
|
2 |
Closed |
Open |
Open |
Open |
Open |
Open | |
|
4 |
Open |
Open |
Closed |
Open |
Open |
Open | |
|
5 |
Open |
Open |
Open |
Closed |
Open |
Open | |
|
6 |
Open |
Open |
Open |
Open |
Closed |
Open | |
|
7 |
Open |
Open |
Open |
Open |
Open |
Closed | |
|
CABLE TYPE | ||
|
Type |
JP4 | |
|
RG-58A/U 50ohm coaxial |
Pins 1 & 2 Closed | |
|
AUI transceiver via DB-15 port |
Pins 2 & 3 Closed | |
|
LINK INTEGRITY TEST | ||
|
Setting |
JP5 | |
|
Enabled |
Pins 1 & 2 Closed | |
|
Disabled |
Pins 2 & 3 Closed | |
|
Note:Link Integrity is only used with 10Base-T wiring. When using an AUI transciever, the test should be disabled. | ||
|
I/O BASE ADDRESS | |||||
|
Address |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 | |
|
2A0-2BF |
On |
Off |
On |
On | |
|
280-29F |
On |
On |
On |
On | |
|
2C0-2DF |
On |
On |
Off |
On | |
|
2E0-2FF |
On |
Off |
Off |
On | |
|
300-31F |
On |
On |
On |
Off | |
|
320-33F |
On |
Off |
On |
Off | |
|
340-35F |
On |
On |
Off |
Off | |
|
360-37F |
On |
Off |
Off |
Off | |
|
BOOT ROM ADDRESS | |||
|
Address |
SW1/5 |
SW1/6 | |
|
CC000-CFFFFh |
Off |
Off | |
|
C0000-C3FFFh |
On |
On | |
|
C4000-C7FFFh |
Off |
On | |
|
C8000-CBFFFh |
On |
Off | |
|
DIAGNOSTIC LED(S) | ||
|
LED |
Status |
Condition |
|
1 |
On |
Card is sending random data (Jabbering) |
|
1 |
Off |
Card is configured correctly and is operating normally |
|
2 |
On |
Network connection is good 1 |
|
2 |
Off |
Card is not connected to network 1 |
|
2 |
On |
Link test is disabled 2 |
|
2 |
Blinking |
Disabled the link test signal 3 |
|
3 |
Blinking |
Data is being transmitted |
|
3 |
Off |
Data is not being transmitted |
|
4 |
Blinking |
Data is being received |
|
4 |
Off |
Data is not being received |
|
Note 1 :Used when the Link Test signal is enabled (JP5)Note 2 :LED remains on when the Link Test signal is disabled (JP5)Note 3 :When the Link Test signal is enabled and the card is connected to a hub that does not use theLink Test signal, the user should disable the Link Test signal. | ||
|
FACTORY CONFIGURED SETTINGS - DO NOT ALTER | |
|
Jumper |
Setting |
|
JP1 |
Unknown (Used for Channel configuration) |
|
Note:Link Integrity is only used with 10Base-T wiring. When using an AUI transciever, the test should be disabled. | |
|
MISCELLANEOUS NOTES |
|
Different drivers must be used for the National & the Fujitsu chipset cards, they are not interchangeable. Fujitsu drivers may be used for either 8 or 16 bit Fujitsu cards, while the National chipset cards require a different driver for an 8 or 16 bit card. |