GATEWAY COMMUNICATIONS, INC.
G/EtherTwist PC-WS Adapter (NATIONAL CHIPSET)
NIC Type |
Ethernet |
Transfer Rate |
10Mbps |
Data Bus |
8-bit ISA |
Topology |
Star |
Wiring Type |
Shielded twisted pair Unshielded twisted pair AUI transceiver via DB-15 port |
Boot ROM |
Available |
INTERRUPT REQUEST | |||||||
IRQ |
JP2 |
JP3 |
JP4 |
JP5 |
JP6 |
JP7 | |
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 |
I/O BASE ADDRESS | |||||
I/O |
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 |
Off |
On |
Off |
Off |
BASE MEMORY ADDRESS | |||
Address |
SW1/5 |
SW1/6 | |
CC000- CFFFF |
Off |
Off | |
C0000-C3FFF |
On |
On | |
C4000-C7FFF |
Off |
On | |
C8000-CBFFF |
On |
Off |
LINK INTEGRITY TEST | ||
Setting |
JP31 | |
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. |
CABLE TYPE | |||||||
Type |
JP8 |
JP9 |
JP10 |
JP11 |
JP12 |
JP13 | |
Shielded/Unshielded twisted pair |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Open | |
AUI transceiver via DB-15 port |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
Closed | |
Note: Pins designated should be in the closed position. |
DIAGNOSTIC LED(S) | |
Status |
Condition |
Jabber LED (1) on (Red) |
Adapter is continually sending random data |
Link test LED (2) on (Red) |
Network connection good |
Transmit LED (3) blinks (Red) |
Data is being transmitted |
Receive LED (4) on (Red) |
Data is being received |
Note: When using the AUI port, the LEDs are not functional. |
MISCELLANEOUS NOTES |
The PC adapter can be used in a file server or a work station. The PC-WS adapter can be used in a work station only. 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. |