1 sata hard drives – HP COMPAQ DC5750 User Manual
Page 55

Service Reference Guide, dc5750
437963-001
4–1
4
Serial and Parallel ATA Drive Guidelines and
Features
✎
Serial ATA = SATA
Parallel ATA = PATA
HP only supports the use of SATA drives on these models of computer. No PATA drives are
supported on these models.
4.1 SATA
Hard
Drives
SATA connectors on the system board are color coded to make identification easier.
✎
If there is an error on the application of the attach rules, a POST error message may be displayed.
Serial ATA Hard Drive Characteristics
Number of pins/conductors in data cable
7/7
Number of pins in power cable
15
Maximum data cable length
39.37 in (100 cm)
Data interface voltage differential
400-700 mV
Drive voltages
3.3 V, 5V, 12 V
Jumpers for configuring drive
N/A
Data transfer rate
3.0 Gb/s
SATA Identification
Color
Port
Attachment
Sequence
Primary channel, device 0
Dark blue
SATA 0
1
Primary channel, device 1
Light Blue
SATA 2
4
Secondary channel, device 0
White
SATA 1
2
Secondary channel, device 1
Orange
SATA 3
3