Intel Pentium III & Celeron CPU support (Socket 370 only) 66/100/133 MHz standard Front Side bus speeds Total bus speed support for 66.6, 66.8, 68.3, 75.3, 78, 80, 95, 100, 100.2, 110, 114, 117, 122, 127, 129, 133.3, 133.6, 138, 140, 144, 146.6, 150, 157.3, 160 and 166 MHz PC-133 SDRAM support CPU clock ratio from 1.5X to 12.0X Integrated i752 graphics controller AGP 4X Slot 5 PCI Slots 1 CNR (Communications Network Riser) slot Die Hard BIOS (Dual BIOS chips) AC-97 Audio codec 24K Gold plated chipset heatsink 2200u Low ESR capacity capacitors CPU Vcore voltage adjustment from 1.3 to 3.5v 4 channel USB (2 ports on a back-plate connector)

Aopen AX3S PRO Bios 1.03

Mirror 1