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Chapter 1 – System Board 1-3
1.2 Major Components
The system board has the following major components:
• Supports dual Intel Pentium
II processors
• Four DIMM sockets that accept 128 and 256 MB DIMMs with a maximum of
1024 MB system memory
• Two ISA, four PCI, and one AGP bus slots (one PCI and ISA shared slot)
• 512-KB Flash ROM for system BIOS
• 512-KB pipelined-burst second-level cache built-in Pentium II CPU
• System clock/calendar with battery backup
• I/O APIC device that provides support for SMP interrupts
• Integrates an enhanced PCI local bus IDE controller
• Intel 440BX chipset that supports AGP (Accelerated Graphics Port) and Ultra
DMA/33 functions
• RDM daughter board
• EIDE and diskette drive interfaces
• Auxiliary power connector for 280W SPS
• Super I/O, memory, and Advanced Server Management (ASM) controller
chipsets
• External ports:
• USB connector • PS/2-compatible keyboard
port
• RJ-45 jack • PS/2-compatible mouse port
• Parallel port • Serial port 1 and 2