EDIMAX COMPUTER COMPANY
2000A V2.4
NIC Type |
Ethernet |
Transfer Rate |
10Mbps |
Data Bus |
16-bit ISA |
Topology |
Star Linear Bus |
Wiring Type |
Unshielded twisted pair RG-58A/U 50ohm coaxial AUI transceiver via DB-15 port |
Boot ROM |
Available |
COMPATIBILITY MODE | ||
Setting |
JP1 | |
Disabled |
Pins 1 & 2 closed | |
Enabled |
PIns 2 & 3 closed | |
Note:On some systems the data bus timing is not truly IBM PC/AT compatible. If the card is not initializing, enabling the compatibility mode may allow the card to function properly |
INTERRUPT SETTINGS | |||||||||||
IRQ |
JP2A |
JP2B |
JP2C |
JP2D |
JP2E |
JP2F |
JP2G |
JP2H |
JP2I |
JP2J |
JP2K |
2/9 |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
3 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
4 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
5 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
6 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
7 |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
10 |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
11 |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
12 |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
14 |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
15 |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
I/O BASE ADDRESS | |||
Address |
JP2L |
JP2M | |
300h |
Closed |
Closed | |
320h |
Closed |
Open | |
340h |
Open |
Closed | |
360h |
Open |
Open |
BOOT ROM | ||
Setting |
JP3 | |
Disabled |
Open | |
Enabled |
Closed |
BOOT ROM ADDRESS | |||||
Address |
JP4A |
JP4B |
JP4C |
JP4D | |
C0000h |
Closed |
Closed |
Closed |
Closed | |
C4000h |
Closed |
Closed |
Closed |
Open | |
C8000h |
Closed |
Closed |
Open |
Closed | |
CC000h |
Closed |
Closed |
Open |
Open | |
D0000h |
Closed |
Open |
Closed |
Closed | |
D4000h |
Closed |
Open |
Closed |
Open | |
D8000h |
Closed |
Open |
Open |
Closed | |
DC000h |
Closed |
Open |
Open |
Open |
SIGNAL QUALITY ERROR (SQE) TEST | ||
Setting |
JP5 | |
Enabled |
Pins 1 & 2 closed | |
Disabled |
Pins 2 & 3 closed | |
Note:Signal Quality Error (SQE) is a test of the collision circuitry and path. Link integrity must be enabled for SQE to be enabled. |
CABLE LENGTH SELECT | ||
Setting |
JP7 | |
185meters |
Pins 1 & 2 closed | |
305meters |
Pins 2 & 3 closed | |
Note: All cards on the network segment must have this function set the same. Link integrity must be enabled to select long cable length. |
LINK INTEGRITY | ||
Setting |
JP8 | |
Enabled |
Pins 2 & 3 closed | |
Disabled |
Pins 1 & 2 closed | |
Note:If this option is disabled, SQE is also disabled and Cable Length is set to 185 meters |
CABLE TYPE | ||||
Type |
JP9A - JP9F |
JP10 |
JP12 | |
RG-58A/U 50ohm coaxial |
Open |
Pins 2 & 3 closed |
Pins 2 & 3 closed | |
AUI transceiver via DB-15 port |
Open |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
Unshielded twisted pair |
Closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
AUTOPOLARITY | ||
Setting |
JP14 | |
Enabled |
Pins 1 & 2 closed | |
Disabled |
Pins 2 & 3 closed | |
Note: When disabled, if the network wire polarities are reversed, the card will be damaged. |
FACTORY CONFIGURED SETTINGS | |
Jumper |
Setting |
JP6 |
Unused |
CONNECTORS | |
Setting |
Location |
External power LED. |
JP11 |
DIAGNOSTIC LED(S) | |||
LED |
Color |
Status |
Condition |
LED1 |
Yellow |
Off |
Normal operation |
LED1 |
Yellow |
On |
A reversed twisted pair is detected and corrected |
LED2 |
Green |
On |
Twisted pair network connection is good |
LED2 |
Green |
Off |
Twisted pair network connection is broken |