HP Dx2250 HP Compaq dx2250 Business PC, Service Reference Guide, 1st Edition - Page 54
SATA Power Cable, Serial and Parallel ATA Drive Guidelines and Features
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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 SATA Power Cable Pin Usage P1 V3.3 P2 V3.3 P3 V3.3 P4 Ground P5 Ground P6 Ground P7 V5 P8 V5 Notes 3.3 V power 3.3 V power 3.3 V power 5 V power 5 V power 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 P9 V5 5 V power P10 Ground P11 Ground P12 Ground P13 V12 12 V power P14 V12 12 V power P15 V12 12 V power 48 Chapter 5 Serial and Parallel ATA Drive Guidelines and Features ENWW
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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
SATA Power Cable
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
Ground
P4
Ground
P12
Ground
P5
Ground
P13
V12
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
48
Chapter 5
Serial and Parallel ATA Drive Guidelines and Features
ENWW