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Functional Description
The Raven bridge controller ASIC provides the bridge between the PowerPC microprocessor bus and the PCI local bus. Electrically, the Raven chip is a
Flash Memory
The MVME2603/2604 base board has provision for 1MB of
The onboard monitor/debugger, PPCBug, resides in the Flash chips. PPCBug provides functionality for:
❏Booting the operating system
❏Initializing after a reset
❏Displaying and modifying configuration variables
❏Running
❏Updating firmware ROM
Under normal operation, the Flash devices are in
RAM200 Memory Module
The RAM200 is the ECC DRAM memory mezzanine module that (together with an LED mezzanine and an optional PCI mezzanine card) plugs into the base board to make a complete MVME2603 or MVME2604 single board computer. See Figure
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