Interface Connector; Pin Description Summary; Data Connector - Maxtor DIAMONDMAXTM PLUS 5120 90750D3 Product Manual

AT INTERFACE DESCRIPTION
AT Interface Description

Interface Connector

All DiamondMax™ Plus 5120 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 (max cable length:
18 inches).

Pin Description Summary

PIN SIGNAL
01
03
05
07
09
11
13
15
17
19
21 DMARQ
23 DIOW -:STOP
25 DIOR -:HDMARDY:HSTROBE
27 IORDY:DDMARDY:DSTROBE
29 DMACK -
31
33
35
37
39
5 – 22
Reset -
DD7
DD6
DD5
DD4
DD3
DD2
DD1
DD0
Ground
INTRQ
DA1
DA0
CS0 -
DASP -
Figure 5-1

Data Connector

PIN SIGNAL
02 Ground
04 DD8
06 DD9
08 DD10
10 DD11
12 DD12
14 DD13
16 DD14
18 DD15
20 (keypin)
22 Ground
24 Ground
26 Ground
28 CSEL
30 Ground
IOCS16
32
Obsolete
34 PDIAG -
36 DA2
38 CS1 -
40 Ground
SECTION 5