Serial And Parallel Ata Drive Guidelines And Features; Pata And Sata Device Information; Ata Cables; Sata Data Cable - HP Compaq dx6050 MT Reference Manual

Serial and Parallel ATA Drive Guidelines and
4.1

PATA and SATA Device Information

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

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
P1
P2*
P3*
P4
P5**
P6**
P7
*P2 and P3 differential signal pair
**P5 and P6 differential signal pair
Service Reference Guide, d300, dx6050
Characteristic
Usage
Ground
A+
A-
Ground
B-
B+
Ground
319865-008
PATA
40/80
4
18 in (45.7 cm)
5 V
5 V, 12 V
Required
up to 100 MB/s
Device Plug
Ground
Transmit data
Transmit data
Ground
Receive data
Receive data
Ground
4
Features
SATA
7/7
15
39.37 in (100 cm)
600 mV
3.3 V, 12 V
N/A
150 MB/s
Host Plug
Ground
Receive data
Receive data
Ground
Transmit data
Transmit data
Ground
4–1