Intel SE7520JR2 manual 6

	Table of Contents				Intel® Server Board SE7520JR2
3.4.3			Interrupt Routing ....................................................................................................			52
3.4.3.1				Legacy Interrupt Routing....................................................................................		52
3.4.3.2				APIC Interrupt Routing .......................................................................................		53
3.4.3.3				Legacy Interrupt Sources ...................................................................................		54
3.4.3.4				Serialized IRQ Support ......................................................................................		54
		3.4.3.5 IRQ Scan for PCIIRQ .........................................................................................				55
3.4.4			SCSI Support.........................................................................................................			58
		3.4.4.1 LSI* 53C1030 Dual Channel Ultra320 SCSI Controller				..................................... 58
3.4.4.2				Zero Channel RAID............................................................................................		60
3.4.5			IDE Support ...........................................................................................................			60
3.4.5.1				Ultra ATA/100.....................................................................................................		61
3.4.5.2				IDE Initialization .................................................................................................		61
3.4.6			SATA Support........................................................................................................			61
3.4.6.1				SATA RAID ........................................................................................................		62
		3.4.6.2 Intel® RAID Technology Option ROM................................................................				62
3.4.7			Video Support ........................................................................................................			62
3.4.7.1				Video Modes ......................................................................................................		62
3.4.7.2				Video Memory Interface .....................................................................................		63
3.4.7.3				Dual video ..........................................................................................................		64
3.4.8			Network Interface Controller (NIC) ........................................................................			64
		3.4.8.1 NIC Connector and Status LEDs .......................................................................				65
3.4.9			USB 2.0 Support....................................................................................................			65
3.4.10			Super I/O Chip .......................................................................................................			65
3.4.10.1				GPIOs ..............................................................................................................		65
3.4.10.2				Serial Ports.......................................................................................................		67
3.4.10.3				Removable Media Drives .................................................................................		69
3.4.10.4				Floppy Disk Support.........................................................................................		69
		3.4.10.5 Keyboard and Mouse Support .........................................................................				69
3.4.10.6				Wake-up Control ..............................................................................................		69
3.4.11			BIOS Flash ............................................................................................................			69
3.5			Configuration and Initialization...............................................................................			70
3.5.1			Memory Space.......................................................................................................			70
3.5.1.1				DOS Compatibility Region .................................................................................		71
3.5.1.2				Extended Memory ..............................................................................................		73
3.5.1.3				Memory Shadowing ...........................................................................................		74
		3.5.1.4 System Management Mode Handling ................................................................				75
3.5.2			I/O Map ..................................................................................................................			76
3.5.3			Accessing Configuration Space.............................................................................			78
3.5.3.1				CONFIG_ADDRESS Register............................................................................		79
3.6			Clock Generation and Distribution .........................................................................			79
	4. System BIOS.......................................................................................................................					80
4.1			BIOS Identification String.......................................................................................			80
4.2			Flash Architecture and Flash Update Utility...........................................................			81
	vi			C78844-002		Revision 1.0