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Chapter 1 Hardware Installation
1
1 Hardware Installation
Overview
The American Megatrends Pegasus PCI Pentium II ISA motherboard features
include:
• an Intel Pentium II CPU operating at 233, 266, 300 MHz or higher
speeds ,
• up to 768 MB of system memory on the motherboard,
• parity checking or ECC (Error Checking and Correction),
• PCI local bus throughput of 132 megabytes per second,
• the American Megatrends SystemGuru server management software,
• three ISA expansion slots, and
• four PCI expansion slots.
CPUs The Pegasus motherboard will support all Intel Slot1 CPUs operating at 233
MHz, 266 MHz, 300 MHz, or faster speeds.
PCI Bus Speed AMIBIOS automatically configures the PCI slots. The PCI slots are
synchronous with the CPU clock:
CPU External Clock Frequency PCI Expansion Slot Frequency
66 MHz 33 MHz
60 MHz 30 MHz
Onboard I/O The Pegasus motherboard includes:
• two 40-pin IDE connectors for 1 – 4 IDE drives,
• a 34-pin floppy drive connector,
• two serial port connectors,
• a 25-pin parallel port connector,
• a keyboard DIN connector,
• two 4-pin USB ports, and
• a 9-pin berg mouse connector.
Server Management Software The American Megatrends SystemGuru server management
software is included with the Pegasus motherboard. SystemGuru uses the
LM78 interface to constantly monitor and report the CPU temperature, fan
speed, ECC memory errors, ambient temperature, CPU voltage, system
voltage and other user-specified system status information to any remote
client computer. See the American Megatrends SystemGuru User’s Guide for
additional information.