Intel
®
X18-M/X25-M SATA Solid State Drive
February 2009 Product Manual
Order Number: 319765-006US 17
Intel
®
X18-M/X25-M SATA SSD
5.1.2 2.5” Pin Locations
5.2 Signal Description Table
Note: Key and spacing separate signal and power segments.
Figure 7. Layout of Signal and Power Segment Pins
Signal Segment S1 Power Segment P1
Table 13. Serial ATA Connector Pin Signal Definitions for 1.8” and 2.5” Form Factors
Pin Function Definition
S1 Ground 2nd mate
S2 A+
Differential signal pair A
S3 A-
S4 Ground 2nd mate
S5 B-
Differential signal pair B
S6 B+
S7 Ground 2nd mate
Table 14. Serial ATA Power Pin Definitions for 1.8” Form Factor
Pin Function Definition Mating Order
1
P1 V
33
3.3 V Power
2
2nd Mate
P2 V
33
3.3 V Power, pre-charge
2
1st Mate
P3 Ground
3
1st Mate
P4 Ground
3
1st Mate
P5 V
5
5 V Power. Not connected
4
1st Mate