HP dx5150 Informations techniques Page 43

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4
Serial and Parallel ATA Drive
Guidelines and Features
Serial ATA = SATA
Parallel ATA = PATA
Ä
CAUTION: HP only supports a PATA hard drive in SATA systems when the PATA hard drive is used in
a MultiBay device.
4.1 SATA Hard Drive Information
SATA connectors on the system board are color coded to make identification easier.
4.1.1 SATA Data Cable
The SATA data cable is a thin, 7-pin cable designed to transmit data for only a single drive. As
shown in the table, each cable has three grounds, and four transmit/receive pins.
SATA data cables are susceptible to damage if overflexed. Never crease a SATA data cable and
never bend it tighter than a 30 mm (1.18 in) radius.
Characteristic SATA
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 1.5 Gb/s
SATA Identification Color
Primary channel, device 0 Blue
Secondary channel, device 0 White
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