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ZOBEX 4HDC-62W

ZOBEX

ZOBEX 4HDC-62W

Data Bus

8-bit ISA

Card Size

Three-quarter length, full-height card

Hard Drives supported

Four ST-506/412(MFM) drives

Floppy drives supported

None

CONNECTIONS

Function

Location

Function

Location

34-pin control cable connector

J1

20-pin data cable connector

J4

20-pin data cable connector - drive 0

J2

20-pin data cable connector

J5

20-pin data cable connector - drive 1

J3

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

IRQ 5 enable

JP4/1

Closed

 

IRQ 5 disable

JP4/1

Open

»

Factory configured - do not alter

P2

Open

»

Write Protect drive 0 disabled

P3/pins 1 & 2

Open

 

Write Protect drive 0 enabled

P3/pins 1 & 2

Closed

»

Write Protect drive 1 disabled

P3/pins 3 & 4

Open

 

Write Protect drive 1 enabled

P3/pins 3 & 4

Closed

»

Write Protect drive 2 disabled

P3/pins 5 & 6

Open

 

Write Protect drive 2 enabled

P3/pins 5 & 6

Closed

»

Write Protect drive 3 disabled

P3/pins 7 & 8

Open

 

Write Protect drive 3 enabled

P3/pins 7 & 8

Closed

»

Factory configured - do not alter (Ext. Stat. Reg. Bit 4)

SW1/1

Off

»

Factory configured - do not alter (Ext. Stat. Reg. Bit 5)

SW1/2

Off

»

Factory configured - do not alter (Ext. Stat. Reg. Bit 6)

SW1/3

Off

»

Factory configured - do not alter (Ext. Stat. Reg. Bit 7)

SW1/4

Off

»

Factory configured - do not alter

SW2/7

Unidentified

»

Factory configured - do not alter

SW2/8

Unidentified

PIN 2 CABLE SELECTION FOR CABLE J1

Setting

P1/1

P1/2

P1/3

P1/4

 

Change Cartridge Signal

Open

Open

Open

Closed

 

Head Select

Open

Open

Closed

Open

»

Reduced Write Current

Open

Closed

Open

Open

 

Disable pin 2 3

Closed

Open

Open

Open

Note: Select the ‘Head Select’ setting if the attached drive is large capacity with more than 8 heads.

DMA CHANNEL SELECTION

Channel

JP4/1

JP4/2

»

DMA 3 disabled

Open

Open

 

DMA 3 enabled

Closed

Closed

BASE ADDRESS SELECTION

Setting

SW2/1

SW2/2

SW2/3

SW2/4

SW2/5

SW2/6

»

300h

On

On

On

Off

Off

On