HP Dc7100 HP Compaq Business Desktop dc7100 Series Service Reference Guide, 3r - Page 59
SATA and PATA Device Information
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Serial and Parallel ATA Drive Guidelines and Features 4 Serial and Parallel ATA Drive Guidelines and Features ✎ 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 Characteristic 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 7/7 15 39.37 in (100 cm) 600 mV 3.3 V, 12 V N/A 150 MB/s PATA 40/80 4 18 in (45.7 cm) 5 V 5 V, 12 V Required up to 100 MB/s 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 Color Dark blue Light Blue White Orange Service Reference Guide, dc7100 361288-003 4-1