HP Dx5150 HP Business Desktop dx5150 Series Service Reference Guide, 1st Editi - Page 44

PATA Hard Drive Information

Page 44 highlights

Serial and Parallel ATA Drive Guidelines and Features 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 4.1.2 SATA Power Cable 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 Pin Usage Notes Pin P1 V3.3 3.3 V power P9 P2 V3.3 3.3 V power P10 P3 V3.3 3.3 V power P11 P4 Ground P12 P5 Ground P13 P6 Ground P14 P7 V5 5 V power P15 P8 V5 5 V power 4.2 PATA Hard Drive Information Usage V5 Ground Reserved Ground V 12 V12 V12 Notes 5 V power 12 V power 12 V power 12 V power Characteristic Number of pins/conductors in data cable Number of pins in power cable Maximum data cable length Data interface voltage Drive 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 1.0 Gb/s 4-2 361685-001 Service Reference Guide, dx5150

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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