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UN-1083E

MICRO EQUIPMENT CORPORATION

UN-1083E

Data bus:

32-bit VL-Bus

Size:

Three/quarter-length, full-height card

Hard drive supported:

Four IDE (AT) interface drives

Floppy drives supported:

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

CONNECTIONS

Function

Location

40-pin Primary IDE (AT) interface connector

CN1

40-pin Secondary IDE (AT) interface connector

CN2

34-pin control cable connector - floppy drive

CN3

16-pin game port - internal

CN4

10-pin serial port - internal

COMA

10-pin serial port - internal

COMB

2-pin connector - drive active LED

LED1

25-pin parallel port - external

P1

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Factory configured - do not alter

W1

N/A

Factory configured - do not alter

W2

N/A

Factory configured - do not alter

W3

N/A

Factory configured - do not alter

W4

N/A

Factory configured - do not alter

W5

N/A

IOCHRDY 759AF select

W6/pins 2 & 3

closed

 

IOCHRDY ISA select

W6/pins 1 & 2

closed

Primary IDE (AT) interface enabled

W8/pins 2 & 3

closed

 

Primary IDE (AT) interface disabled

W8/pins 1 & 2

closed

Secondary IDE (AT) interface enabled

W9/pins 2 & 3

closed

 

Secondary IDE (AT) interface disabled

W9/pins 1 & 2

closed

Speed 50MHz select

W10/pins 2 & 3

closed

 

Speed 33MHz select

W10/pins 1 & 2

closed

Factory configured - do not alter

W13

N/A

Floppy drive order A:, B: normal

W26/pins 1 & 2

closed

 

Floppy drive order A:, B: exchange

W26/pins 2 & 3

closed

Floppy drive address is 3F0h-3F7h

W27/pins 2 & 3

closed

 

Floppy drive address is 370h-377h

W27/pins 1 & 2

closed

Floppy controller enabled

W28/pins 1 & 2

closed

 

Floppy controller disabled

W28/pins 2 & 3

closed

Factory configued - do not alter

W32

N/A

Factory configured - do not alter

W33

N/A

Factory configured - do not alter

W34

N/A

Game port enabled

W46

closed

 

Game port disabled

W46

open

IDE (AT) TIMMING & MODE CONFIGURATION

Timing

Mode

W11

W12

240ns

3

pins 1 & 2 closed

pins 1 & 2 closed

400ns

2

pins 1 & 2 closed

pins 2 & 3 closed

500ns

1

pins 2 & 3 closed

pins 1 & 2 closed

600ns

0

pins 2 & 3 closed

pins 2 & 3 closed

HARD DRIVE DMA SELECTION

Channel

W14

W15

W16

W17

W18

W19

5

open

open

closed

open

open

closed

6

open

closed

open

open

closed

open

7

closed

open

open

closed

open

open

SERIAL PORT 1 CONFIGURATION

COM

W20

W21

COM1 (3F8h)

pins 1 & 2 closed

pins 2 & 3 closed

 

COM3 (3E8h)

pins 2 & 3 closed

pins 1 & 2 closed

 

Not available

pins 1 & 2 closed

pins 1 & 2 closed

 

Disabled

pins 2 & 3 closed

pins 2 & 3 closed

SERIAL PORT 2 CONFIGURATION

COM

W22

W23

COM2 (2F8h)

pins 1 & 2 closed

pins 2 & 3 closed

 

COM4 (2E8h)

pins 2 & 3 closed

pins 1 & 2 closed

 

Not available

pins 1 & 2 closed

pins 1 & 2 closed

 

Disabled

pins 2 & 3 closed

pins 2 & 3 closed

PARALLEL PORT CONFIGURATION

LPT

W24

W25

LPT1 (378h)

pins 2 & 3 closed

pins 1 & 2 closed

 

LPT2 (278h)

pins 1 & 2 closed

pins 2 & 3 closed

 

LPT3 (3BCh)

pins 1 & 2 closed

pins 1 & 2 closed

 

Disabled

pins 2 & 3 closed

pins 2 & 3 closed

PARALLEL PORT MODE SELECTION

Mode

W29

W30

Printer

pins 1 & 2 closed

pins 1 & 2 closed

EPP/ECP

pins 1 & 2 closed

pins 2 & 3 closed

EPP/SPP

pins 2 & 3 closed

pins 1 & 2 closed

EXT2FDD

pins 2 & 3 closed

pins 2 & 3 closed

SERIAL PORT 1 INTERRUPT SELECTION

IRQ

W35

W36

W37

4

closed

open

open

 

3

open

closed

open

 

5

open

open

closed

SERIAL PORT 2 INTERRUPT SELECTION

IRQ

W38

W39

W40

3

closed

open

open

 

4

open

closed

open

 

5

open

open

closed

PARALLEL PORT INTERRUPT SELECTION

IRQ

W41

W42

7

closed

open

 

5

open

closed

PRINTER OUTPUT CONFIGURATION

Setting

W43

Output

closed

Bi-directional

open

DMA SELECTION

Channel

W31

W44

W45

1

pins 1 & 2 closed

closed

open

3

pins 2 & 3 closed

open

closed