Intel 31244 PCI-X manual Pci-X, Fifo

Intel® 31244 PCI-X to Serial ATA Controller

Overview

Feature Highlights:

•Four SATA Channels at 1.5 Gbits/s

•Serial ATA: High speed Serialized AT Attachment Specification, Revision 1.0e Compliant

•64-bit/133 MHz PCI-X Bus. Backwards compatible to 32-bit/33 MHz and 64-bit/66 MHz

•Compatible with existing Operating Systems

•Supports native PCI IDE

•Hot-Plug Drives

•Supports Master/Slave Mode for Compatibility with existing Operating Systems

•Supports SATA Direct Port Access (Master/Master Mode)

•Independent DMA Masters for each SATA Channel

•3.3 V and 2.5 V Supply, 2 W maximum

Figure 1. Intel® 31244 PCI-X to Serial ATA Controller Block Diagram

		LED0
P_AD(63:0)		LED1
		LED2
P_CBE(7:0)
		LED3
P_PAR				Serializer	TX0P
P_PAR64			Serial ATA
					TX0N
				PHY
P_FRAME#			Transport/Link		00B
				I/F
			Layer		RX0N
P_TRDY#	PCI-X	Dual		Deserializer
					RX0P
P_IRDY#	64-bit	Port
					TX1P
P_STOP#	133 MHz	FIFO	Serial ATA	Serializer
					TX1N
P_DEVSEL#	Interface	and		PHY
			Transport/Link		00B
		I/O		I/F
P_REQ#			Layer	Deserializer	RX1N
P_REQ64#		Transport			RX1P
P_ACK64#		Engine		Serializer	TX2P
			Serial ATA
P_GNT#					TX2N
				PHY
P_CLK			Transport/Link	I/F	00B
			Layer		RX2N
P_RST#				Deserializer
					RX2P
P_PERR#					TX3P
P_SERR#			Serial ATA	Serializer
					TX3N
P_INTA#				PHY
			Transport/Link		00B
				I/F
			Layer		RX3N
				Deserializer
					RX3P
					A9194-03

14 Design Guide