3COM CORPORATION
ETHERLINK PLUS (3C505B; ASSY.#2012)
NIC Type |
Ethernet |
Transfer Rate |
10Mbps |
Data Bus |
16-bit ISA |
Topology |
Linear Bus |
Wiring Type |
RG-58A/U 50ohm coaxial AUI transceiver via DB-15 port |
Boot ROM |
Available |
CABLE TYPE SELECTION | ||
Type |
JP45 - JP51 | |
» |
RG-58A/U 50ohm coaxial |
Pins 2 & 3 Closed |
AUI transceiver via DB-15 port |
Pins 1 & 2 Closed |
INTERRUPT REQUEST SELECTION | |||||||||||
IRQ |
JP29 |
JP30 |
JP31 |
JP32 |
JP33 |
JP34 |
JP35 |
JP36 |
JP37 |
JP38 |
JP39 |
2 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
3 |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
4 |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
5 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
6 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
7 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
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 |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
15 |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
DMA CHANNEL SELECTION | ||||||||
Channel |
JP21 |
JP22 |
JP23 |
JP24 |
JP25 |
JP26 |
JP27 |
JP28 |
Disabled |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Closed |
5 |
Open |
Open |
Open |
Open |
Closed |
Closed |
Open |
Open |
6 |
Open |
Open |
Closed |
Closed |
Open |
Open |
Open |
Open |
7 |
Closed |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
I/O BASE ADDRESS SELECTION | ||||||
Address |
JP4 |
JP5 |
JP6 |
JP7 |
JP8 |
JP9 |
200h |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 2 & 3 |
210h |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 1 & 2 |
220h |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 2 & 3 |
230h |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 2 & 3 |
240h |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 2 & 3 |
250h |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 2 & 3 |
260h |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 2 & 3 |
270h |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 2 & 3 |
280h |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 2 & 3 |
290h |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 2 & 3 |
2A0h |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 2 & 3 |
2B0h |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 2 & 3 |
2C0h |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 2 & 3 |
2D0h |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 2 & 3 |
2E0h |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 2 & 3 |
2F0h |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 2 & 3 |
300h |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 2 & 3 |
310h |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 2 & 3 |
320h |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 2 & 3 |
330h |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 2 & 3 |
340h |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 2 & 3 |
350h |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 2 & 3 |
360h |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 2 & 3 |
370h |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
380h |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
390h |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
3A0h |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
3B0h |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
3C0h |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
3D0h |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
3E0h |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
3F0h |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
Note:Pins designated should be in the closed position. |
BOOT ROM ADDRESS SELECTION | |||||||
Address |
JP13 |
JP14 |
JP15 |
JP16 |
JP17 |
JP18 |
JP19 |
CC000h |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 1 & 2 |
EC000h |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 1 & 2 |
Pins 1 & 2 |
Note:Pins designated should be in the closed position. |
BOOT ROM CONFIGURATION | ||
Setting |
JP12 | |
» |
Disabled |
Pins 1 & 2 Closed |
Enabled |
Pins 2 & 3 Closed |