HP dc7700 Serial and Parallel ATA Drive Guidelines and Features, 4.1SATA Hard Drives

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Serial and Parallel ATA Drive Guidelines and Features

✎Serial ATA = SATA Parallel ATA = PATA

HP only supports the use of SATA hard drives on these models of computer. The USDT model is the only product that supports a PATA optical drive. No PATA drives are supported on any other model.

4.1SATA Hard Drives

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 connectors on the system board are color coded to make identification easier.

			Attachment
SATA Identification	Color	Port	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

✎If there is an error on the application of the attach rules, a POST error message may be displayed.

Service Reference Guide, dc7700 433612-001 4–1