Intel VC820 Design Guide - Page 203
MHz, 300 MHz, 356 MHz and 400 MHz Direct RDRAM Support, Reference Design Schematics: Dual-Processor
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Reference Design Schematics: Dual-Processor Reference Design Schematics: Dual-Processor B B.1 Reference Design Feature Set The reference schematics feature the following core feature set: • Intel® 820 Chipset - Memory Controller Hub (MCH) - I/O Controller Hub (ICH) - FWH Flash BIOS interface • Support for the two Pentium III (SC242) Processors - 100/133 MHz System Bus Frequency - Debug Port • IOAPIC Integrated into the ICH • Direct RDRAM Memory Interface - 266 MHz, 300 MHz, 356 MHz and 400 MHz Direct RDRAM Support - 2 RIMM Sockets • 4 PCI Add-in Slots - Via 4 REQ/GNT pairs (ICH supports 6 REQ#/GNT# pairs) • AGP Universal Connector - 3.3V - 1X,2X signaling - 1.5V - 1X, 2X, 4X signaling • 2 IDE Connectors with Ultra ATA/66 Support • 2 USB Connectors • ATX Power Connector • LPC Ultra I/O - Floppy Disk Controller - 1 Parallel Port, 2 Serial Ports - Keyboard Controller • AC'97 Bus Connector and Audio Codec • WfM Support • Integrated System Management • Integrated Power Management - ACPI Rev. 1.0 Compliant - APM Rev. 1.2 Compliant • Pentium III on-board VRM 8.4 compliant regulator • 4 Layer Design Intel®820 Chipset Design Guide B-1