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Service Reference Guide, dx2100 MT 404569-001 4–3
Serial and Parallel ATA Drive Guidelines and Features
4.3 PATA Device Information
This information applies to optical drives in a computer having one or two SATA drive
controllers and a single PATA drive controller.
PATA hard drives are not supported on these models.
4.4 PATA Cables
4.4.1 PATA Data Cable
4.4.2 PATA Power Cable
4.5 PATA Drive Installation Guidelines
The computer system boards for these products have one Parallel ATA (PATA) channel with a
single connector. The channel can have up to two devices attached to it. All drives are connected
to the channel using an industry-standard 80-conductor cable.
✎
The industry-standard 1.44 MB diskette drive has its own separate channel and is not included as
a part of the maximum four ATA drives.
Pin Signal Pin Signal Pin Signal
1
2
3
4
5
Reset
Ground
DD7
DD8
DD6
15
16
17
18
19
DD1
DD14
DD0
DD15
Ground
29
30
31
32
33
DMAK
Ground
INTRQ
IOCS16
DA1
6
7
8
9
10
DD9
DD5
DD10
DD4
DD11
20
21
22
23
24
(Key)
DMARQ
Ground
DIOW
Ground
34
35
36
37
38
PDIAG (cable detect)
DA0
DA2
CS1FX
CS3FX
11
12
13
14
DD3
DD12
DD2
DD13
25
26
27
28
DIOR
Ground
IORDY
CSEL
39
40
DASP
Ground
Pin Usage
1 +12 V
2Ground
3Ground
4+5 V