HP dx5150 Technical Information Page 44

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4–2 361685-001 Service Reference Guide, dx5150
Serial and Parallel ATA Drive Guidelines and Features
4.1.2 SATA Power Cable
4.2 PATA Hard Drive Information
Pin Number Usage Device Plug Host Plug
P1 Ground Ground Ground
P2* A+ Transmit data Receive data
P3* A- Transmit data Receive data
P4 Ground Ground Ground
P5** B- Receive data Transmit data
P6** B+ Receive data Transmit data
P7 Ground Ground Ground
*P2 and P3 differential signal pair
**P5 and P6 differential signal pair
Pin Usage Notes Pin Usage Notes
P1 V3.3 3.3 V power P9 V5 5 V power
P2 V3.3 3.3 V power P10 Ground
P3 V3.3 3.3 V power P11 Reserved
P4 Ground P12 Ground
P5 Ground P13 V 12 12 V power
P6 Ground P14 V12 12 V power
P7 V5 5 V power P15 V12 12 V power
P8 V5 5 V power
Characteristic PATA
Number of pins/conductors in data cable 40/80
Number of pins in power cable 4
Maximum data cable length 18 in (45.7 cm)
Data interface voltage 5 V
Drive voltages 5 V, 12 V
Jumpers for configuring drive Required
Data transfer rate up to 1.0 Gb/s
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