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1.1
System Board Layout
The system board has the following features and components:
Supports 3.3V Intel Pentium CPU (75/50, 90/60, 100/66, 120/60,
133/66, 150/60, 166/66 MHz, 200/66 MHz)
128-MB maximum system memory
Four 72-pin SIMM sockets that accept 4-, 8-, 16-, and 32-MB
SIMMs, with or without Extended Data Output (EDO) and Error
Checking and Correction (ECC) functions
256-KB or 512-KB pipelined-burst second-level cache
Integrates an enhanced PCI local bus IDE controller
Onboard video and graphics controller and 1-MB VGA memory,
upgradable to 2 MB
Audio controller compatible with Sound Blaster, Microsoft Sound,
and MPU-401
128-KB Flash ROM for system BIOS
One riser card slot
Dual 16C550 buffered serial ports and one ECP/EPP parallel port
USB interface that enables the system to support more
peripherals (optional)
Standard connector for Wavetable upgrade (optional)
PS/2 mouse and keyboard interface
Plug-and-Play function
Power-management function
Infrared function for cableless communication (optional)
Software shutdown circuitry (optional)
Figure 1-1 shows the board layout and the locations of the important
components.
1-2
User's Guide
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