Intel IQ31244 user manual Contents

				Contents
Contents
1.0	Introduction			7
	1.1	Features		9
	1.2	Electrical Specifications		10
		1.2.1	SATA Drive Enclosures	10
	1.3	Environmental Specifications		10
	1.4	Physical Characteristics		11
	1.5	Physical Configuration		12
	1.6	Reference Information		13
2.0	PCI-X Interface			14
	2.1	PAL Arbitration Circuit		15
3.0	Intel® 80321 I/O Processor			16
	3.1	Interrupts		18
	3.2	General-Purpose I/O Unit		19
	3.3	I2C Bus Units		19
	3.4	SDRAM EEPROM		20
	3.5	Temperature Sensors		20
	3.6	Reset Supervisor		20
	3.7	DDR SDRAM		21
		3.7.1	Upgrading SDRAM	21
		3.7.2 Installation and Removal of Memory Modules		21
4.0	Gigabit Ethernet Interface			22
	4.1	Intel® 82546EB Dual-Port Gigabit Ethernet Controller		22
5.0	SATA Interface			23
	5.1	SATA JTAG Interface		24
	5.2	Intel® 31244 PCI-X to Serial ATA Controller		24
	5.3	Activity LEDs		25
6.0	Peripheral Bus Interface Unit			26
	6.1	Flash ROM		26
	6.2	CompactFlash*		26
	6.3	Console Serial Port		27
	6.4	Rotary Switch		27
	6.5	JTAG Emulator Support		28
	6.6	Hex Display		28
	6.7	LEDs	...................................................................................................................................	28
7.0	ATX Power Connector			29
8.0	Jumpers			30

User’s Manual 3