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Product Specifications
Function: Functions as a PCI RAM device (Memory Technology Device - MTD).
System Usage: Used in embedded cPCI systems, often for quick, local, non-volatile or RAM-based storage.
Driver Support: The Linux kernel includes a driver (drivers/mtd/devices/pmc551.c) to interface with this device, allowing it to be used as an MTD device.
Component Identification: Examples include the Concurrent PMC 551 PCB card (CL PMC/551-00U)
Driver Details: The driver for the PMC551 is meant to support the RAM-based PMC device from Ramix Inc.
Debugging: In older Linux kernel versions, a config option CONFIG_MTD_PMC551_DEBUG was available to increase verbosity for debugging.
Physical Characteristics: It is a, compact circuit board (PCB) designed to be mounted onto a host board.
The PMC551-b is a PMC Mezzanine module (PCI Mezzanine Card) designed for cPCI (CompactPCI) embedded systems. It is often identified as a PCI RAM device, acting as a high-speed memory storage or RAM disk.
Alternative Part No. 700910 REV.A , PCB 700912 REV.A