HP (Hewlett-Packard) dx2100 MT Manuel D’Utilisation
4–2
404569-001
Service Reference Guide, dcx210 MT
Serial and Parallel ATA Drive Guidelines and Features
4.2 SATA Hard Drive Cables
4.2.1 SATA Data Cable
Always use an HP approved SATA 3.0 Gb/s cable as it is fully backwards compatible with the
SATA 1.5 Gb/s drives.
SATA 1.5 Gb/s drives.
SATA data cables are susceptible to damage if overflexed. Never crease a SATA data cable and
never bend it tighter than a 30 mm (1.18 in) radius.
never bend it tighter than a 30 mm (1.18 in) radius.
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.
shown in the table, each cable has 3 grounds, and 4 transmit/receive pins.
4.2.2 SATA Power Cable
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
**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
Ground
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