User's Manual

AT INTERFACE DESCRIPTION

5 – 1

SECTION 5

T Interface DescriptionT Interface Description

T Interface Description

Interface ConnectorInterface Connector

Interface Connector

All Maxtor hard drives have a 40-pin ATA interface connector mounted on the PCBA. The drive may connect

directly to the host; or it can also accommodate a cable connection (maximum cable

length: 18 inches).

Figure 5-1

Data Connector

Pin Description SummaryPin Description Summary

Pin Description Summary

PIN SIGNAL PIN SIGNAL

01 Reset - 02 Ground

03 DD7 04 D D8

05 DD6 06 D D9

07 DD5 08 DD 10

09 DD4 10 D D11

11 D D3 12 DD 12

13 DD2 14 DD 13

15 D D1 16 DD 14

17 DD0 18 DD15

19 Ground 20 (k eypin)

21 DMARQ 22 Ground

23 DIOW -:STOP 24 Ground

25 DIOR -:HD MARDY:HSTROBE 26 Ground

27 IORDY:DDMARDY:DSTROBE 28 CSEL

29 DMACK - 30 Ground

31 INTRQ 32

IOCS16

Obsolete

33 DA1 34 PDIAG -

35 DA0 36 DA2

37 C S0 - 38 C S1 -

39 DASP - 40 Ground