ATI A4 (Radeon IGP340) chipset (IGP340 + ATI-SB South bridge, Socket 478) 
microATX / ATX Motherboard

Award BIOS


A0530IAG.BIN 	BIOS for (IGP340 + ATI-SB South Bridge + VIA VT6202 USB2.0)
		*** ATI-SB "Stepping A-33"
		*** BIOS ID = 6a662prb

A0920IAG.BIN	BIOS for (IGP340 + ATI-SB South Bridge)
		*** ATI-SB "Stepping A-41/42"
		*** BIOS ID = 6a662prc

		

.2MBit Flash
.May/2003 built core
.Initial Mass Production Release
.Support for ATI-SB South Bridge "Stepping A-33"
(May/2003)

.2MBit Flash
.July/2003 built core
.Support for ATI-SB South Bridge "Stepping A-41/42"
(July/2003)

.2MBit Flash
.Sept/2003 built core
.For ATI-SB South Bridge "Stepping A-41/42"
.Corrected the "unexpected stop" when running AC97 Sound
(Sept/2003)


Remark :
=======
The hardware of ATI-SB South Bridge "Stepping A-33" is different from the "Stepping A-41/42", therefore the BIOS are NOT interchangeable.  Please identify the hardware of the motherboard (South Bridge Stepping number) before picking the correct BIOS to match to the hardware.