WESTERN DIGITAL CORPORATION

WD1009V-SE1, WD1009V-SE2

Data bus: 16-bit, PC/AT

Size: Full-length, full-height card

Hard drives supported: Two ESDI drives with up to a 24Mbps (MHz) transfer rate (Three may be supported with a software driver and a 3-plug control cable)

Floppy drives supported: WD1009V-SE1: None

WD1009V-SE2: Two 360KB, 720KB, 1.2MB, 1.44MB drives

CONNECTIONS

Function

Location

34-pin control cable connector-floppy drive (WD1009V-SE2 only)

J1

20-pin data cable connector-drive 1

J3

20-pin data cable connector-drive 0

J4

34-pin control cable connector-hard drive

J5

4-pin connector-drive active LED

J6

INTERRUPT REQUEST

IRQ

W5/jumper 8

W5/jumper 9

»

Interrupt request is IRQ14

open

open

 

Interrupt request is IRQ12

closed

open

 

Interrupt request is IRQ15

open

closed

 

Interrupt request is IRQ11

closed

closed

MISCELLANEOUS TECHNICAL NOTES

This controller has a built in low-level format program. To enter the program run the DEBUG utility supplied with DOS and at the prompt enter: G=C800:5.

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

Supports end-twisted floppy drive cable*

W2

pins 2 & 3 closed

 

Supports center-twisted floppy drive cable *

W2

pins 1 & 2 closed

»

Supports AT-Type 1.44MB floppy drives*

W3

pins 1 & 2 closed

 

Supports PS/2-Type 1.44MB floppy drives*

W3

pins 2 & 3 closed

»

Card always enabled

W4

open

 

Card enabled by the EISA host

W4

closed

»

Sector sparing disabled

W5/jumper 1

open

 

Sector sparing enabled

W5/jumper 1

closed

»

Translation mode enabled

W5/jumper 2

open

 

Translation mode disabled

W5/jumper 2

closed

»

Sector translation forced to 35/53 SPT

W5/jumper 3

open

 

Sector translation set for physical mode

W5/jumper 3

closed

»

Four-Byte ECC

W5/jumper 4

open

 

Seven-byte ECC

W5/jumper 4

closed

»

Look-ahead cache enabled

W5/jumper 5

open

 

Look-ahead cache disabled

W5/jumper 5

closed

»

BIOS address is C800h

W5/jumper 6

open

 

BIOS address is CC00h

W5/jumper 6

closed

»

BIOS enabled

W5/jumper 7

open

 

BIOS disabled

W5/jumper 7

closed

»

DMA channel is 6

W5/jumper 10

open

 

DMA channel is 7

W5/jumper 10

closed

»

Hard drive address is 1F0-1F7h

W5/jumper 11

open

 

Hard drive address is 170-177h

W5/jumper 11

closed

»

Hard drive enabled

W5/jumper 12

open

 

Hard drive disabled

W5/jumper 12

closed

»

Floppy drive enabled *

W6/jumper 1

open

 

Floppy drive disabled *

W6/jumper 1

closed

»

Floppy DMA channel is 2 *

W6/jumper 2

open

 

Floppy DMA channel is 3 *

W6/jumper 2

closed

»

Floppy port address is 3F0-3F7h *

W6/jumper 3

open

 

Floppy port address is 370-377h *

W6/jumper 3

closed

»

Single speed floppy supported *

W6/jumper 4

open

 

Dual speed floppy supported *

W6/jumper 4

closed

»

EISA Auto configuration enabled

W7

closed

 

EISA Auto configuration disabled

W7

open

Note:* These settings only valid on the WD1009V-SE2.