HP D530 HP Compaq Business Desktop d500 Service Reference Guide, 5th Edition - Page 53
Serial and Parallel ATA Drive Guidelines and Features, 4.1 PATA and SATA Device Information
UPC - 808736649308
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4 Serial and Parallel ATA Drive Guidelines and Features 4.1 PATA and SATA 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 PATA 40/80 4 18 in (45.7 cm) 5 V 5 V, 12 V Required up to 100 MB/s SATA 7/7 15 39.37 in (100 cm) 600 mV 3.3 V, 12 V N/A 150 MB/s 4.2 ATA Cables 4.2.1 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 3 grounds, and 4 transmit/receive pins. Pin Number Usage P1 Ground P2* A+ P3* A- P4 Ground P5** B- P6** B+ P7 Ground *P2 and P3 differential signal pair **P5 and P6 differential signal pair Device Plug Ground Transmit data Transmit data Ground Receive data Receive data Ground Host Plug Ground Receive data Receive data Ground Transmit data Transmit data Ground Service Reference Guide, d500 336492-005 4-1