1-2User’s Guide1.1 Major FeaturesThe system board has the following major features and components:• Supports Intel Pentium II processor running at 233 or 266 MHz• 256/512-KB PBSRAM (Pipelined-burst SRAM) second-levelcache (incorporated in the CPU card)• Six SIMM sockets that accepts FPM (Fast Page Mode) and EDO(Extended Data Out) RAMs for memory upgrade• Onboard PCI local bus IDE controller• Onboard 256K Flash BIOS ROM• Three ISA and four PCI slots for future expansion• SCSI and Ethernet combo card interface• Two PCI enhanced IDE interfaces that support up to four IDEdevices• External ports:• PS/2 keyboard and mouse ports• Two buffered high-speed serial ports• One SPP/ECP/EPP high-speed parallel port• Two USB ports• Power management features• APM v1.2 (Advanced Power Management)-compliant BIOS• API (Application Program Interface) feature• ATA (Advanced Technology Attachment)-compliant hard diskpower saving feature• PnP (Plug-and-Play) feature• Windows 95 software shutdown support• ADM (Advanced Desktop Manager) hardware monitor function• ATX form factor