American Megatrends MAN-758 Overview, CPUs, CPUExternalClockFrequency PCIExpansionSlotFrequency

1 Hardware Installation

Overview

The American Megatrends MegaRUM PCI Dual Pentium II ISA motherboard features include:

∙two Intel Pentium II CPUs operating at 120, 133, 150, 166, 180, 200, 210, 233, 240, 266 MHz or higher speeds ,

∙up to 1 GB of system memory on the motherboard,

∙parity checking or ECC (Error Checking and Correction),

∙PCI local bus throughput of 132 megabytes per second,

∙two Ultra Wide SCSI channels operating at 40 MBs,

∙specially designed for the American Megatrends RAID Upgrade controller cards,

∙onboard ATI Rage II PCI VGA controller with 2 MB of synchronous graphics RAM,

∙the American Megatrends SystemGuru server management software,

∙two ISA expansion slots, and

∙sixPCIexpansionslots.

CPUs	The MegaRUM motherboard will support all Intel Slot1 CPUs operating at 233
	MHz, 266 MHz, or faster speeds.

PCI Bus Speed AMIBIOS automatically configures the PCI slots. The PCI slots are synchronous with the CPU clock:

CPUExternalClockFrequency	PCIExpansionSlotFrequency
66 MHz	33 MHz
60 MHz	30 MHz

Cont’d

Chapter 1 Hardware Installation 1