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Service Reference Guide, dc7600 390742-001 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.
Only a MultiBay PATA hard drive is supported on these computers. No other PATA hard drives
are supported on these models.
4.4 PATA Cables
4.4.1 PATA Data Cable
Parallel ATA MultiBay Hard Drive Characteristics
Number of pins/conductors in data cable 40/80
Number of pins in power cable 4
Maximum data cable length 18 in (45.7 cm)
Data interface voltage 5V
Drive voltages 5V
Jumpers for configuring drive Required
Data transfer rate 24 MB/s
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