UNIDENTIFIED

L20E

Data bus:

32-bit, VL-bus

Size:

Three/quarter-length, full-height card

Hard drive supported:

Two IDE (AT) interface drives

Floppy drives supported:

Two 360KB, 720KB, 1.2MB or 1.44MB drives

CONNECTIONS

Function

Location

40-pin IDE (AT) interface connector - port 1

CN1

4-pin connector - drive active LED

CN2

VESA-feature connector

CN3

10-pin serial port 1

CN4

10-pin serial port 2

CN5

4-pin connector - drive active LED

J5

15-pin analog video port

J8

25-pin parallel port

J21

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

Factory configured - do not alter

JP1

N/A

»

VGA IRQ9 enabled

JP2

Closed

 

VGA IRQ9 disabled

JP2

Open

»

Floppy drive enabled

J14

Pins 1 & 2 closed

 

Floppy drive disabled

J14

Pins 2 & 3 closed

»

Factory configured - do not alter

J16

Pins 1 & 2 closed

»

Parallel port uses IRQ7

J17

Pins 2 & 3 closed

 

Parallel port uses IRQ5

J17

Pins 1 & 2 closed

»

Video port enabled

J22

Pins 1 & 2 closed

 

Video port disabled

J22

Pins 2 & 3 closed

UARTS

UART 1

UART 2

J9

J10

J11

»

Enabled

Enabled

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

 

Enabled

Disabled

Pins 1 & 2 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

 

Controls Port 2

Controls Port 1

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

 

Disabled

Controls Port 1

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

 

Disabled

Enabled

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

 

Controls Port 2

Disabled

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

 

Disabled

Disabled

N/A

Pins 2 & 3 closed

Pins 2 & 3 closed

SERIAL PORTS 1 & 2 CONFIGURATIONS

Port 1

Port 2

J19

J20

»

COM1

COM2

Pins 1 & 2 closed

Pins 2 & 3 closed

 

COM1

COM4

Pins 1 & 2 closed

Pins 1 & 2 closed

 

COM2

COM3

Pins 2 & 3 closed

Pins 1 & 2 closed

 

COM3

COM4

Pins 2 & 3 closed

Pins 2 & 3 closed

PARALLEL PORT CONFIGURATION

LPT

J12

J13

»

LPT1

Pins 1 & 2 closed

Pins 2 & 3 closed

 

LPT2

Pins 1 & 2 closed

Pins 1 & 2 closed

 

LPT3

Pins 2 & 3 closed

Pins 1 & 2 closed

 

Disabled

Pins 2 & 3 closed

Pins 2 & 3 closed

HARD DRIVE

Setting

J15

J18

»

HDD enabled

Closed

Closed

 

HDD disabled

Open

Open