3COM CORPORATION
ETHERLINK PLUS (3C505; ASSY.#1194)
|
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 | |||
|
Type |
U54 |
U55 | |
| » |
RG--58A/U 50ohm coaxial |
Installed |
Open |
|
AUI transceiver via DB-15 port |
Open |
Installed | |
|
INTERRUPT REQUEST SELECTION | |||||||||||
|
IRQ |
JP27 |
JP28 |
JP29 |
JP30 |
JP31 |
JP32 |
JP33 |
JP34 |
JP35 |
JP36 |
JP37 |
|
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 |
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 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 CONFIGURATION | ||
|
Setting |
JP12 | |
| » |
Disabled |
Pins 1 & 2 Closed |
|
Enabled |
Pins 2 & 3 Closed | |
|
Note:JP12 is located at the bottom of the JP12-JP19 jumper block. | ||
|
DMA CHANNEL | |||||||
|
Channel |
JP20 |
JP21 |
JP22 |
JP23 |
JP24 |
JP25 |
JP26 |
|
DMA1 |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
|
DMA3 |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
|
DMA5 |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
|
DMA6 |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
|
DMA7 |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
|
Note:Closing a single jumper requires two jumper shunts to cover all four pins. | |||||||
|
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:Jumpers are labeled from the bottom to the top of the card. Pins designated should be in the closed position. | |||||||
|
FACTORY CONFIGURED SETTINGS | |
|
Jumper |
Setting |
|
JP1 |
Pins 2 & 3 Closed |
|
JP2 |
Pins 1 & 2 Closed |