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WD1007A-WX2

WESTERN DIGITAL CORPORATION

WD1007A-WX2

Card Type

Hard drive controller card

Hard Drives supported

Two ESDI drives

Floppy drives supported

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

Data Bus

16-bit ISA

Card Size

Three-quarter length, full-height card

CONNECTIONS

Function

Location

Function

Location

34-pin control cable connector-hard drive

J1

34-pin data cable connector-floppy drive

J4

20-pin data cable connector-drive 0

J2

4-pin connector-drive active LED

J5

20-pin data cable connector-drive 1

J3

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

Factory configured (BIOS enabled)

W3

Closed

Factory configured (floppy drive controller)

W4

Open

Factory configured (single spindle speed select)

W5

Open

Floppy drive port address is 3F0-3F7h

W6

Pins 2 & 3 closed

 

Floppy drive port address is 370-377h

W6

Pins 1 & 2 closed

Factory configured (floppy drive select)

W7

Pins 1 & 2 closed

WD1007 emulation mode

W8

Open

 

WD1005 emulation mode

W8

Closed

Factory configured (chassis ground disconnected)

W9

Open

Digital input register unlatched

W10

Open

 

Digital input register latched

W10

Closed

Factory configured (floppy change enable with FDC option)

W11

Closed

Factory configured (secondary address select)

W12

Open

Floppy controller enabled (diskette drive controller enabled in etch)

W13

Uncut

Sector translation enabled

W14

Open

 

Sector translation disabled

W14

Closed

Factory configured (ECC length is 4 bytes)

W15

Open

BIOS ADDRESS SELECTION

Address

W1

W2

C8000-C9FFFh

Pins 2 & 3 closed

Pins 2 & 3 closed

 

CA000-CBFFFh

Pins 2 & 3 closed

Pins 1 & 2 closed

 

CC000-CDFFFh

Pins 1 & 2 closed

Pins 2 & 3 closed

 

CE000-CFFFFh

Pins 1 & 2 closed

Pins 1 & 2 closed

MISCELLANEOUS TECHNICAL INFORMATION

The WD1007A supports 1:1 interleave drives with up to 2048 cylinders and 16 heads.