Intel X25-M, X18-M 5.2Signal Description Table, 5.1.22.5” Pin Locations, Signal Segment S1

Intel® X18-M/X25-M SATA SSD

5.1.22.5” Pin Locations

Figure 7. Layout of Signal and Power Segment Pins

Signal Segment S1 Power Segment P1

5.2Signal Description Table

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
Note: Key and spacing separate signal and power segments.

Table 14.	Serial ATA Power Pin Definitions for 1.8” Form Factor
Pin		Function	Definition		Mating Order1
P1		V	3.3 V Power2		2nd Mate
		33
P2		V	3.3 V Power, pre-charge2		1st Mate
		33
P3		Ground3			1st Mate
P4		Ground3			1st Mate
P5		V	5 V Power. Not connected4		1st Mate
		5
				Intel® X18-M/X25-M SATA Solid State Drive
February 2009					Product Manual
Order Number: 319765-006US				17