INSTALLATIONS

FDD1: Floppy Drive Connector (Reserved)

FDD1 is a slim 26-pin connector and will support up to 2.88MB FDD.

Signal Name

Pin #

Pin #

Signal Name

VCC

1

2

INDEX

VCC

3

4

DRV_SEL

VCC

5

6

DSK_CH

NC

7

8

NC

NC

9

10

MOTOR

DINST

11

12

DIR

NC

13

14

STEP

GND

15

16

WDATA

GND

17

18

WGATE

GND

19

20

TRACK

NC

21

22

WPROT

GND

23

24

RDATA

GND

25

26

SIDE

IDE1: Primary IDE Connectors (40-pin 2.54mm)

The ICH6 supports only one Primary IDE interface and can be either IDE1 or IDE2 based on the user’s selection.

 

Signal Name

Pin #

Pin #

 

 

Signal Name

 

 

Reset IDE

1

2

 

 

Ground

 

 

Host data 7

3

4

 

 

Host data 8

 

 

Host data 6

5

6

 

 

Host data 9

 

 

Host data 5

7

8

 

 

Host data 10

 

 

Host data 4

9

10

 

 

Host data 11

 

 

Host data 3

11

12

 

 

Host data 12

 

 

Host data 2

13

14

 

 

Host data 13

 

 

Host data 1

15

16

 

 

Host data 14

 

 

Host data 0

17

18

 

 

Host data 15

 

 

Ground

19

20

 

 

Protect pin

 

 

DRQ0

21

22

 

 

Ground

 

 

Host IOW

23

24

 

 

Ground

 

 

Host IOR

25

26

 

 

Ground

 

 

IOCHRDY

27

28

 

 

Host ALE

 

 

DACK0

29

30

 

 

Ground

 

IDE1

IRQ14

31

32

 

 

No connect

 

Address 1

33

34

 

 

No connect

 

 

Address 0

35

36

 

 

Address 2

 

 

Chip select 0

37

38

 

 

Chip select 1

 

 

Activity

39

40

 

 

Ground

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MB893 User’s Manual

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Image 23
Intel MB893 user manual FDD1 Floppy Drive Connector Reserved, IDE1 Primary IDE Connectors 40-pin 2.54mm