Interface connector, Pin description summary, All diamondmax – Maxtor DIAMONDMAX 91536H2 User Manual
Page 25

AT INTERFACE DESCRIPTION
5 – 1
SECTION 5
AT Interface Description
Interface Connector
All DiamondMax
®
60 AT 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 Summary
PIN
SIGNAL
PIN
SIGNAL
01
Reset -
02
Ground
03
D D 7
04
D D 8
05
D D 6
06
D D 9
07
D D 5
08
DD10
09
D D 4
10
DD11
11
D D 3
12
DD12
13
D D 2
14
DD13
15
D D 1
16
DD14
17
D D 0
18
DD15
19
Ground
20
(keypin)
21
D M A R Q
22
Ground
23
DIOW -:STOP
24
Ground
25
DIOR -:HDMARDY:HSTROBE
26
Ground
27
IORDY:DDMARDY:DSTROBE
28
C S E L
29
D M A C K -
30
Ground
31
INTRQ
32
IOCS16
Obsolete
33
DA1
34
PDIAG -
35
DA0
36
DA2
37
C S 0 -
38
C S 1 -
39
D A S P -
40
Ground
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