DISK DRIVE OPERATION

 

 

Table 6-1AT-Bus Interface Signals (continued)

 

 

 

 

 

 

 

 

 

 

Drive Connector

 

 

Direction

 

AT System BUS

 

 

Signal Name

 

Pin No.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DMARQ

Ground

IOW-

Ground

IOR-

Ground

IORDY

Reserved

DMACK-

Ground

INTRQ

IOCS16-

ADDR1 PDIAG- / CBLID- ADDR0 ADDR2 CS1FX- CS3FX- DASP-

Ground

21

22

23

23

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

→



←



←



→

←



→

→

←

* *

←

←

←

←

*→



DMARQ

Ground

IOW-

Ground

IOR-

Ground

IORDY

No Connection

DMACK-

Ground

INTRQ

IOCS16-

SA1

PDIAG-

SA0

SA2

CS0-

CS1-

DASP-

Ground

* Drive Intercommunication Signals

Drive 1

34

39

PDIAG →

DASP- →

Drive 0

3434

3939



→

Host

34

39

44

SpinPoint V40 Product Manual

Page 52
Image 52
Samsung spinpoint v40, 3.5 hard disk drives manual Drive Host