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EV8120, EV-8120A

EVEREX SYSTEMS, INC.

EV8120, EV-8120A

Data bus: 16-bit, ISA

Size: Full-length, full-height card

Hard drives supported: Two AT Interface (IDE) drives

Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB

EVEREX SYSTEMS, INC.

EV8120, EV-8120A

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CONNECTIONS

Function

Location

34-pin control cable connector-floppy drive

J1

40-pin control cable connector-hard drive

J2

34-pin control cable connector-floppy tape drive (EV-8120A only)

J3

4-pin connector drive active LED

J9

USER CONFIGURABLE SETTINGS EV-8120 & EV-8120A

Function

Location

Setting

IOCHRDY signal disabled

JP1

open

 

IOCHRDY signal enabled

JP1

closed

DMA request disabled

JP2/all

open

 

DREQ 5 (DMA request)

JP2/jumper 1

closed

 

DREQ 6 (DMA request)

JP2/jumper 2

closed

 

DREQ 7 (DMA request)

JP2/jumper 3

closed

DMA acknowledge disabled

JP3/all

open

 

DACK 5 (DMA acknowledge)

JP3/jumper 1

closed

 

DACK 6 (DMA acknowledge)

JP3/jumper 2

closed

 

DACK 7 (DMA acknowledge)

JP3/jumper 3

closed

DMA signal to the ATA adaptor disabled

JP4

open

 

DMA signal to the ATA adaptor enabled

JP4

closed

BIOS is IBM, AMI or equivalent

JP6

pins 2 & 3 closed

 

BIOS is Phoenix

JP6

pins 1 & 2 closed

Factory configured - do not alter

JP7

open

Floppy drive enabled

JP8

closed

 

Floppy drive disabled

JP8

open

Back to back I/O delay enabled

JP10

closed

 

Back to back I/O delay disabled

JP10

open

USER CONFIGURABLE SETTINGS EV-8120 ONLY

Function

Location

Setting

Hard drive port address is 1F0-1F7h

JP5

open

Hard drive port address is 310-317h

JP5

closed

USER CONFIGURABLE SETTINGS EV-8120A ONLY

Function

Location

Setting

ATA Hard Disk mode select

JP5

open

 

ATA Tape Mode select

JP5

closed

Floppy drive port address is 3F0-3F7h

JP11

open

 

Floppy drive port address is 370-377h

JP11

closed

Hard drive port address is 1F0-1F7h

JP12

open

 

Hard drive port address is 170-177h

JP12

closed

Hard drive interrrupt is IRQ14

JP13

pins 2 & 3 closed

 

Hard drive interrrupt is IRQ15

JP13

pins 1 & 2 closed