Installation
3-14 Maxtor MaXLine Plus II 250GB AT
There are total of 7 pins in the signal segment and 15 pins in the power segment.
The pin definitions are shown in Table 3-3. Note that the pin is numbered from the
pin furthest from the power segment.
Table 3-3
Device plug connector pin definition
Signal
segment
S1
Ground
2
nd
Mate
S2
A+
Differential signal pair A from Phy
S3
A-
S4
Ground
2
nd
Mate
S5
B-
Differential signal pair B from Phy
S6
B+
S7
Ground
2
nd
Mate
Key and spacing separate signal and power segments
Power
segment
P1
V
33
3.3V power
P2
V
33
3.3V power
P3
V
33
3.3V power, pre-charge, 2
nd
mate
P4
Ground
1
st
mate
P5
Ground
2
nd
mate
P6
Ground
2
nd
mate
P7
V
5
5V power, pre-charge, 2
nd
mate
P8
V
5
5V power
P9
V
5
5V power
P10
Ground
2
nd
mate
P11
Reserved
1. The pin corresponding to P11 in the
backplane receptacle connector is also
reserved
2. The corresponding pin to be mated with
P11 in the power cable receptacle connec-
tor will always be grounded.
P12
Ground
1
st
mate
P13
V
12
12V power, pre-charge, 2
nd
mate
P14
V
12
12V power
P15
V
12
12V power