Silicon Graphics 230, Руководство пользователя

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Chapter 3
3. System Board
The Silicon Graphics 230 Visual Workstation contains an M23D system board. This
chapter describes the M23D system board and all its major components. It contains the
system board layout, jumper settings, cache and memory configurations, and
information on other internal devices.
Overview
The M23D system board is a PCI bus-based, single processor system board built on an
extended ATX baseboard. It comes with a single FC-PGA (Flip-Chip Pin Grid Array)
processor socket using a Pentium
® III processor integrated with the VIA Apollo Pro 133A
chipset. The system board also integrates the Intel ® 82559 10/100 Mbps PCI Ethernet
chipset that supports WOL (Wake on LAN) and AOL (Alert on LAN) for better remote
site management.
For expandability, the system board includes one AGP (Accelerated Graphics Port) slot,
five PCI-bus slots, and three DIMM sockets.
For connectivity, the system board supports two USB (Universal Serial Bus) connectors,
a speaker-out/audio-out, audio-in, and microphone-in port, and other standard features
such as two UART NS16C550 serial ports, one enhanced parallel port with Enhanced
Parallel Port (EPP)/Extended Capabilities Port (ECP) support, a diskette drive interface,
and two embedded hard disk interfaces.
Processor
The Pentium III processor implements Dynamic Execution performance, a
multi-transaction system bus, and Intel MMX media enhancement technology. Also, it
offers Streaming SIMD (Single Instruction Multiple Data) Extensions — 70 new
instructions enabling advanced imaging, 3D, streaming audio and video, and speech
recognition applications. The Pentium III processor delivers higher performance than the