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