Intel 31244 PCI-X manual Shows the block diagram of this customer reference board

Intel® 31244 PCI-X to Serial ATA Controller

Intel® IQ31244 PCI-X to Serial ATA Controller Evaluation Platform Board

Intel® IQ31244 PCI-X to Serial ATA Controller Evaluation Platform Board 12

The Intel® IQ31244 PCI-X to Serial ATA Controller Evaluation Platform Board (IQ31244) is an Intel® 80321 I/O processor-based design using a PCI-X bridge, four Intel SATA controllers, and Intel® 82546EB Dual-Port Gigabit Ethernet Controller.

The main application for this customer reference board is external storage. The primary function of this system is to translate between a disk or network interconnect and SATA. It will also be used to demonstrate iSCSI and basic NAS functionality.

Figure 27 shows the block diagram of this customer reference board.

Figure 27. Intel® IQ31244 PCI-X to Serial ATA Controller Evaluation Platform Board Block Diagram

SATA

Connectors

Intel® 31244 Controller

SATA

Connectors

Intel® 31244 Controller

SATA

Connectors

Intel® 31244 Controller

SATA

Connectors

Intel® 31244 Controller

Secondary PCI-X

PCI-X	Bus
Bridge	Arbiter
	Logic

PCI-X

Network

Port

Network

Port

Intel®

82546

H	SSP*
JTAG Port	JTAG
H	I2C

Primary PCI-X

Intel® 80321 I/O Processor

DDR

DDR

Memory (DIMM)

Expansion Slot

Compact Flash Connector

PBI

Buzzer

RJ-11

UART

HEX

Disp

Rotary

Switch

Flash

B0607-01

Design Guide 67