Serial and Parallel ATA Drive Guidelines and
Serial ATA = SATA
Parallel ATA = PATA
HP does not support the use of PATA (IDE) hard drives when SATA hard drives are installed on
the computer.
4.1
SATA and PATA Device Information
Number of pins/conductors in data cable
Number of pins in power cable
Maximum data cable length
Data interface voltage differential
Drive motor voltages
Jumpers for configuring drive
Data transfer rate
SATA connectors on the system board are color coded to make identification easier.
SATA Identification
Primary channel, device 0
Primary channel, device 1
Secondary channel, device 0
Secondary channel, device 1
Service Reference Guide, dc7100
Characteristic
361288-003
Serial and Parallel ATA Drive Guidelines and Features
SATA
7/7
15
39.37 in (100 cm)
600 mV
3.3 V, 12 V
N/A
150 MB/s
Color
Dark blue
Light Blue
White
Orange
4
Features
PATA
40/80
4
18 in (45.7 cm)
5 V
5 V, 12 V
Required
up to 100 MB/s
4–1