Pata Device Information; Pata Cables; Pata Data Cable - HP Compaq Businessdc7600 Service & Reference Manual

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.
Parallel ATA MultiBay Hard Drive Characteristics
Number of pins/conductors in data cable
Number of pins in power cable
Maximum data cable length
Data interface voltage
Drive voltages
Jumpers for configuring drive
Data transfer rate

4.4 PATA Cables

4.4.1 PATA Data Cable

Pin Signal
1 Reset
2 Ground
3 DD7
4 DD8
5 DD6
6 DD9
7 DD5
8 DD10
9 DD4
10 DD11
11 DD3
12 DD12
13 DD2
14 DD13
Service Reference Guide, dc7600
Serial and Parallel ATA Drive Guidelines and Features
Pin Signal
15 DD1
16 DD14
17 DD0
18 DD15
19 Ground
20 (Key)
21 DMARQ
22 Ground
23 DIOW
24 Ground
25 DIOR
26 Ground
27 IORDY
28 CSEL
390742-001
40/80
4
18 in (45.7 cm)
5V
5V
Required
24 MB/s
Pin Signal
29 DMAK
30 Ground
31 INTRQ
32 IOCS16
33 DA1
34 PDIAG (cable detect)
35 DA0
36 DA2
37 CS1FX
38 CS3FX
39 DASP
40 Ground
4–3