EVGA 750i SLI manual Connecting Serial ATA Cables, Connecting Floppy Disk Drive

nForce 750i SLI Motherboard

Connecting Serial ATA Cables

The Serial ATA II connector is used to connect the Serial ATA II device to the motherboard. These connectors support the thin Serial ATA II cables for primary storage devices. The current Serial ATA II interface allows up to 300MB/s data transfer rate.

There are four serial ATA connectors on the motherboard that support RAID 0,RAID 1, RAID 5, RAID 0+1 and JBOD configurations.

v Pin Assignments

SATA B1

SATA B0

SATA A0 (bottom) SATA A1 (top)

Connector		Pin	Signal
	1		GND
	2		TX+
	3		TX-
	4		GND
	5		RX+
	6		RX-
	7		GND

Connecting Floppy Disk Drive

The motherboard supports a standard 360K, 720K, 1.2M, 1.44m, and a 2.88M floppy disk drive (FDD).

vPin Assignments

Connector	Pin	Signal	Pin	Signal
	1	GND	2	Drive Density Election
	3	GND	4	NC
	5	GND	6	DSI
	7	GND	8	Index
	9	GND	10	Motor Enable 0
	11	GND	12	DSB
	13	GND	14	Drive Select 0
	15	GND	16	Motor Enable 1
	17	GND	18	Direction
	19	GND	20	Step
	21	GND	22	Write Data
	23	GND	24	Write Gate
	25	GND	26	Track 0
	27	GND	28	Write Protect
	29	NC	30	Read Data
	31	GND	32	Side 1 Select
	33	NC	34	Diskette Change