OC-3102

OLICOM INTERNATIONAL

OC-3102

NIC Type

Token-Ring

Transfer Rate

4Mbps

Data Bus

16-bit ISA

Topology

Ring

Wiring Type

Shielded twisted pair (DB-9 port)

Boot ROM

Available

INTERRUPT REQUEST

IRQ

SR3A

SR3B

SR3C

SR3D

SR3E

SR3F

SR3G

SR3H

SR3I

ť
2/9

Open

Open

Open

Open

Open

Closed

Open

Open

Open

3

Closed

Open

Open

Open

Open

Open

Open

Open

Open

4

Open

Closed

Open

Open

Open

Open

Open

Open

Open

5

Open

Open

Closed

Open

Open

Open

Open

Open

Open

6

Open

Open

Open

Closed

Open

Open

Open

Open

Open

7

Open

Open

Open

Open

Closed

Open

Open

Open

Open

10

Open

Open

Open

Open

Open

Open

Closed

Open

Open

11

Open

Open

Open

Open

Open

Open

Open

Closed

Open

12

Open

Open

Open

Open

Open

Open

Open

Open

Closed

DMA CHANNEL

Channel

SR4A

SR4B

SR4C

SR4D

SR4E

SR4F

ť
DMA5

Closed

Open

Open

Closed

Open

Open

DMA6

Open

Closed

Open

Open

Closed

Open

DMA7

Open

Open

Closed

Open

Open

Closed

CLOCK SELECT

Setting

SR6

ť
Onboard clock

Pins 1 & 2 closed

System bus clock

Pins 2 & 3 closed

Note:If the system's bus clock speed is greater than 8MHz the onboard clock must be enabled.

BOOT ROM SIZE

Size

SR11

SR12

ť
8/16KB

Pins 1 & 2 closed

Pins 1 & 2 closed

32KB

Pins 2 & 3 closed

Pins 1 & 2 closed

64KB

Pins 2 & 3 closed

Pins 2 & 3 closed

BOOT ROM

Setting

SR13

ť
Disabled

Pins 1 & 2 closed

Enabled

Pins 2 & 3 closed

PRIMARY/ALTERNATE SELECT, I/O BASE ADDRESS, AND BOOT ROM ADDRESS

Setting

I/O Address

Boot ROM Address

SR14

ť
Primary

0A20 - 0A2Fh

D0000 - D7FFFh

Pins 1 & 2 closed

Alternate

1A20 - 1A2Fh

D8000 - DFFFFh

Pins 2 & 3 closed

Note:If two cards are to be used in a single system, one of the cards must be set to primary and the other must be set to alternate.

BRIDGE PAL ENABLE

Setting

SR15

ť
Disabled

Pins 1 & 2 closed

Enabled

Pins 2 & 3 closed

Note:If installing two NICs for a bridge configuration, both cards must have this option enabled and a other must be set to alternate.

This jumper is the only jumper that the Micro Channel version has.

NIC Type	Token-Ring
Transfer Rate	4Mbps
Data Bus	16-bit ISA
Topology	Ring
Wiring Type	Shielded twisted pair (DB-9 port)
Boot ROM	Available

INTERRUPT REQUEST
IRQ		SR3A	SR3B	SR3C	SR3D	SR3E	SR3F	SR3G	SR3H	SR3I
ť	2/9	Open	Open	Open	Open	Open	Closed	Open	Open	Open
	3	Closed	Open	Open	Open	Open	Open	Open	Open	Open
	4	Open	Closed	Open	Open	Open	Open	Open	Open	Open
	5	Open	Open	Closed	Open	Open	Open	Open	Open	Open
	6	Open	Open	Open	Closed	Open	Open	Open	Open	Open
	7	Open	Open	Open	Open	Closed	Open	Open	Open	Open
	10	Open	Open	Open	Open	Open	Open	Closed	Open	Open
	11	Open	Open	Open	Open	Open	Open	Open	Closed	Open
	12	Open	Open	Open	Open	Open	Open	Open	Open	Closed

DMA CHANNEL
Channel		SR4A	SR4B	SR4C	SR4D	SR4E	SR4F
ť	DMA5	Closed	Open	Open	Closed	Open	Open
	DMA6	Open	Closed	Open	Open	Closed	Open
	DMA7	Open	Open	Closed	Open	Open	Closed

CLOCK SELECT
Setting		SR6
ť	Onboard clock	Pins 1 & 2 closed
	System bus clock	Pins 2 & 3 closed
Note:If the system's bus clock speed is greater than 8MHz the onboard clock must be enabled.

BOOT ROM SIZE
Size		SR11	SR12
ť	8/16KB	Pins 1 & 2 closed	Pins 1 & 2 closed
	32KB	Pins 2 & 3 closed	Pins 1 & 2 closed
	64KB	Pins 2 & 3 closed	Pins 2 & 3 closed

BOOT ROM
Setting		SR13
ť	Disabled	Pins 1 & 2 closed
	Enabled	Pins 2 & 3 closed

PRIMARY/ALTERNATE SELECT, I/O BASE ADDRESS, AND BOOT ROM ADDRESS
Setting		I/O Address	Boot ROM Address	SR14
ť	Primary	0A20 - 0A2Fh	D0000 - D7FFFh	Pins 1 & 2 closed
	Alternate	1A20 - 1A2Fh	D8000 - DFFFFh	Pins 2 & 3 closed
Note:If two cards are to be used in a single system, one of the cards must be set to primary and the other must be set to alternate.

BRIDGE PAL ENABLE
Setting		SR15
ť	Disabled	Pins 1 & 2 closed
	Enabled	Pins 2 & 3 closed
Note:If installing two NICs for a bridge configuration, both cards must have this option enabled and a other must be set to alternate. This jumper is the only jumper that the Micro Channel version has.