• ATX compatible form factor
• Supports the Intel Willamette processor family in the PGA423 Socket Only. (Currently P4)
• Tehama chipset:
  • MCH - Memory Controller Hub
  • ICH2 - Input/Output Controller Hub 2
  • FWH - Firmware Hub
• Two lock-stepped D-RDRAM channels with two Rambus Interface Memory Modules (RIMMs) per channel (4 total RIMM sockets)
  • This provides a system memory range of 128MB minimum to 1.5GB maximum using 128Mbit, 256Mbit or 512Mbit D-RDRAM technology.
  • Ripcurl supports PC800MHz RDRAM only (400Mhz data bus)
• Supports the Accelerated Graphics Port with 1.5V AGP only connector
  • 1.5V AGP 4x design - 3.3V AGP cards are not supported
  • Conforms with the AGP Specification v2.0
• Ripcurl standard product will have no audio
• SMSC LPC Super I/O Controller
• 5 PCI slots
• Optional 1 CNR connector (for audio, modem, LAN, and/or HPNA); CNR resides in a shared space with PCI Slot #5
• Two Universal Serial Bus controllers (4 ports)
  • Default configuration is 2 ports at the back I/O panel and 2 via front panel header (pin out TBD)
• Supports ACPI 1.0 power management
• Instantly Available PC features:
  • Wake on USB, PCI, CNR, RS-232, PS/2, LAN, Front Panel
  • AMI BIOS with user and administrator password recovery in BIOS via Maintenance menu
  • PC 99A compliant feature set

Processor support will consist of:

• Single Willamette processor in Willamette processor package (PGA423)
• PGA423 socket interconnect on desktop system board
• 400Mhz system data bus

Ripcurl will implement the system memory bus using Direct Rambus™ technology. The Tehama Memory Controller Hub (MCH) integrates two lock-stepped Direct Rambus Channels, providing processor to memory bandwidth of 3.2GB/sec. The memory system will consist of the following features:

• 4 RIMM connectors, 2 per channel = 2 channel board
• 2.5V and 2.5V SB VREGs supporting both channels
• Maximum of 32 Direct Rambus devices per channel
• Single or double-sided RIMM configurations
• Memory configurations from 128MB minimum to 1.5GB Supported - must be PC800 compliant

Supports the Intel Willamette processor in the PGA423 socket with a 400Mhz data bus

• Integrated dual lock-step Direct Rambus Channels
  • Supports PC800 (400Mhz) D-RDRAM · Minimum 128MB to a maximum of 1.5GB system memory using 128Mb, 256Mb or 512Mb technology
  • Supports up to 32 Direct Rambus devices per channel (64 total devices loaded on system)
  • Auto-detection of D-RDRAM memory
• Supports a single AGP device running in 2x or 4x AGP mode at 1.5V only
  • 1.5V (only) interface - 3.3v AGP cards are not supported
  • Accelerated Graphics Port (AGP) 2.0 compliant interface
  • Support for Fast Writes in either 2x or 4x mode · Interface to ICH2 via HL1.0 for I/O support
• ACPI rev 1.0 compliant power management

• PCI rev 2.2 compliant
• SMBus to PCI Bus #2
• 2 USB root hubs supplying 4 user connection ports
• IDE performance enhancements to 100 MB/s via Ultra ATA-100 technology
• SMbus master/slave mode enhanced management features
• Up to 8 PCI interrupts
• Implements serial termination option for HL1.0 interface
• Willamette support (system bus interrupt message delivery)

• 4 Mb Flash symmetrical E2PROM
• 5 General Purpose Inputs (GPI's)
• Top block swap for safe boot (Requires corresponding ICH2 feature)

• Single Floppy Controller support (1.44Mb, 3-mode)
• Two Serial Ports
• 1 on the back panel (standard) and an additional serial port (optional) at back panel I/O
• One Parallel Port
• PS/2 mouse and keyboard inputs

• 1- serial (16550)
• 1- parallel (EPP/ECP)
• 1- keyboard
• 1- pointing device (PS/2 style mouse)
• 3- Audio (microphone, line in, line out) - for retail/BTO models only
• 2- Universal Serial Bus (USB) Connectors at back of unit
• 1- VGA Connector