Serial And Parallel Ata Drive Guidelines And Features; Sata Hard Drives - HP dx2420 - Microtower PC Service & Reference Manual

4 Serial and Parallel ATA Drive Guidelines
and Features
NOTE: Serial ATA = SATA
Parallel ATA = PATA

SATA Hard Drives

Serial ATA Hard Drive Characteristics
Number of pins/conductors in data cable
Number of pins in power cable
Maximum data cable length
Data interface voltage differential
Drive 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
NOTE: If there is an error on the application of the attach rules, a POST error message may be
displayed.
16 Chapter 4 Serial and Parallel ATA Drive Guidelines and Features
7/7
15
39.37 in (100 cm)
400-700 mV
3.3 V, 5 V, 12 V
N/A
3.0 Gb/s
Color Port
Dark blue SATA 0
Light Blue SATA 2
White SATA 1
Orange SATA 3
Attachment Sequence
1
4
2
3