Intel IQ31244 user manual 5.0SATA Interface, SATA Port Assignment, SATA Port Pin Assignment

Intel® IQ31244 Customer Reference Board

5.0SATA Interface

On the IQ31244, the Intel® 31154 133 MHz PCI Bridge interfaces with four Intel® 31244 PCI-X to Serial ATA Controllers on the 64-bit data secondary PCI-X bus clocking at 100 MHz. The 31244 chip transmits and receives commands to one of the four Serial ATA channel with speeds of

1.5Gb/s and 8b/10b encoded data. Each 31244 controller (U27–U30) has four channels. There is a total of sixteen SATA signal connectors (J21–J36) on the IQ31244 board. The IQ31244 is configured for Direct Port Access (DPA) mode to allow independent control of the SATA devices.

Table 13.	SATA Port Assignment
	SATA	Port 0	Port 1	Port 2	Port 3	LED
	Controller
	U27	J24	J23	J22	J21	J16
	U28	J28	J27	J26	J25	J17
	U29	J32	J31	J30	J29	J18
	U30	J36	J35	J34	J33	J20

Table 14.	SATA Port Pin Assignment
	Pin	Symbol
	1	Ground
	2	A+
	3	A-
	4	Ground
	5	B-
	6	B+
	7	Ground

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