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DCP486E

EMULEX CORPORATION

DCP486E

Card Type

Serial

Processor

80486

Processor Speed

Unidentified

Chipset

Unidentified

Maximum Onboard Memory

1MB DRAM

I/O Options

Serial ports (8)

Data Bus

16-bit ISA

Card Size

Full height, three-quarters length

CONNECTIONS

Function

Label

Function

Label

Header to daughterboard J1B or J1C

J1A

Header to daughterboard J2B or J1C

J2A

USER CONFIGURABLE SETTINGS

Setting

Label

Position

Shared RAM window size may be 16KB, 32KB, 64KB, or 1MB

J8

Pins 1 & 2 closed

 

Shared RAM window size may be 16KB, 64KB, or 128KB

J8

Pins 2 & 3 closed

BASE I/O ADDRESS SELECTION

Setting

SW1/1

SW1/2

SW1/3

SW1/4

 

13Ch

On

On

Off

On

 

17Ch

Off

On

Off

On

 

1BCh

On

Off

Off

On

 

1FCh

Off

Off

Off

On

 

23Ch

On

On

On

Off

 

27Ch

Off

On

On

Off

 

2BCh

On

Off

On

Off

 

2FCh

Off

Off

On

Off

33Ch

On

On

Off

Off

 

37Ch

Off

On

Off

Off

 

3BCh

On

Off

Off

Off

 

3FCh

Off

Off

Off

Off

INTERRUPT SELECTION

Setting

J13/A

J13/B

J13/C

J13/D

J13/E

J13/F

J13/G

J13/H

2/9

Open

Open

Open

Open

Open

Open

Open

Closed

3

Open

Open

Open

Open

Open

Open

Closed

Open

4

Open

Open

Open

Open

Open

Closed

Open

Open

5

Open

Open

Open

Open

Closed

Open

Open

Open

10

Open

Open

Open

Closed

Open

Open

Open

Open

11

Open

Open

Closed

Open

Open

Open

Open

Open

12

Open

Closed

Open

Open

Open

Open

Open

Open

15

Closed

Open

Open

Open

Open

Open

Open

Open

DCP486E (RS-232 DAUGHTERBOARD)

CONNECTIONS

Function

Label

Function

Label

Header to main board J1A

J1B

RS-232 serial ports via unidentified connector

J3

Header to main board J2A

J2B

   

SERIAL PORT 1 CONFIGURATION

Setting

SW1/1

SW1/2

SW1/3

DTE

On

Off

Off

DCE

Off

On

On

Note:The settings for SW2/1-SW2/3 through SW4/1-SW4/3 are identical to those for SW1/1-SW1/3. Switches SW1/1-SW1/3 set the configuration for serial port 1, while SW2/1-SW2/3 sets the configuration for serial port 3, SW3/1-SW3/3 sets the configuration for serial port 5, and SW4/1-SW4/3 sets the configuration for serial port 7..

SERIAL PORT 2 CONFIGURATION

Setting

SW1/4

SW1/5

SW1/6

DTE

On

Off

Off

DCE

Off

On

On

Note:The settings for SW2/4-SW2/6 through SW4/4-SW4/6 are identical to those for SW1/4-SW1/6. Switches SW1/4-SW1/6 set the configuration for serial port 2, while SW2/4-SW2/6 sets the configuration for serial port 4, SW3/4-SW3/6 sets the configuration for serial port 6 and SW4/4-SW4/6 sets the configuration for serial port 8.

CONNECTIONS

Function

Label

Function

Label

Header to main board J1A

J1C

RS-422 or X.21 serial ports via unidentified connector

J3

Header to main board J2A

J2C

   

SERIAL PORT 1 CONFIGURATION

Setting

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

DTE

On

Off

Off

Off

Off

DCE

Off

On

On

On

On

Note:The settings for SW2/1-SW2/5 through SW4/1-SW4/5 are identical to those for SW1/1-SW1/5. Switches SW1/1-SW1/5 set the configuration for serial port 1, while SW2/1-SW2/5 sets the configuration for serial port 3, SW3/1-SW3/5 sets the configuration for serial port 5, and SW4/1-SW4/5 sets the configuration for serial port 7..

SERIAL PORT 2 CONFIGURATION

Setting

SW1/6

SW1/7

SW1/8

SW1/9

SW1/10

DTE

On

Off

Off

Off

Off

DCE

Off

On

On

On

On

Note:The settings for SW2/6-SW2/10 through SW4/6-SW4/10 are identical to those for SW6/10-SW1/10. Switches SW1/6-SW1/10 sets the configuration for serial port 2, while SW2/6-SW2/10 sets the configuration for serial port 4, SW3/6-SW3/10 sets the configuration for serial port 6 and SW4/6-SW4/10 sets the configuration for serial port 8.

MISCELLANEOUS TECHNICAL NOTES

The method for selecting the serial port type (RS-422 or X.21) is unidentified.