Intel IQ31244 user manual Features and Descriptions, Feature Description

Intel® IQ31244 Customer Reference Board

1.1Features

The features of the IQ31244 are described in Table 1.

Table 1.	Features and Descriptions
	Feature		Description
	Processor	•	Intel® 80321 I/O Processor
		Options for the clock on 64-bit bus:
	Primary PCI	•	100 MHz PCI-X
		•	66 MHz PCI-X
		•	66 MHz conventional PCI
		•	Two RJ45 shielded magnetic LED gigabit connectors
	Ethernet Ports	•	Gigabit Ethernet debugging/download ports (using Intel® 82546EB
			Dual-Port Gigabit Ethernet Controller)
	PCI Slot	•	64-bit PCI-X expansion connector
	PCI-X Bridge	•	Intel® 31154 133 MHz PCI Bridge
	Secondary PCI	• 64-bit 100 MHz PCI-X bus
		•	Four Intel® 31244 PCI-X to Serial ATA Controllers
	Serial ATA	•	Sixteen SATA connectors
		•	Four Intel® 31244 PCI-X to Serial ATA Controllers
	Flash ROM	•	8 MB Flash ROM 3.3 V—16-bit Flash
	CompactFlash*	•	16-bit CompactFlash* PC Card Memory Mode
	Form Factor	•	FlexATX form factor in ATX chassis with 300 W power supply
	General-Purpose I/O	•	Eight GPIO pins
	Hex Display	•	Two 7-segment Hex LED displays
	Rotary Switch	•	Rotary/hex switch
	RTC and NVRAM Supervisor	•	Microprocessor power-on reset with watchdog timer and real-time clock
	Buzzer	•	85 dB
		•	Frequency 2300 Hz
	JTAG Port	•	ARM*-compliant JTAG 20-pin header
	Memory	•	PC 1600 Double Data Rate (DDR) SDRAM (100 MHz clock rate)
		•	256 MB 64-bit (expandable)
	Onboard Power	•	Board sources +3.3 V, +5 V, +12 V, and -12 V from ATX power supply.
		•	Cores require +1.3 V, +1.5 V, and +2.5 V.
	Power LED	•	“Power On” (green) LED indicator
	SATA LEDs	•	2-pin header for each SATA channel
	Temperature Sensor	•	2-wire serial temperature sensor
	Serial Port	•	One serial console port (16C550-compatible)
	Chassis	•	ATX desktop enclosure with 300 W power supply

User’s Manual 9