GE Intelligent Solutions PMC243 High-capacity disk, PMC form factor

GE PMC243
pmc	powerpc	v. 4.0
Market:	military and aerospace

The PMC243 family of embedded disk modules offers a totally new, high performance, low cost option for file system and boot storage. Combining high performance controllers developed for high end workstations with disk technology used in laptops, the PMC243 embedded disk module delivers very high data rates in a compact form factor implemented with components designed for physically demanding environments.

With the PMC243 "single slot," computing solutions do not need to compromise on either capacity or performance. In addition, card edge PCI systems can be accommodated using GE Intelligent Solutions Embedded Systems' PMC239 adapter for rapid prototype and development.

The PMC243 is fully PMC compliant, meeting all mechanical, electrical and protocol specifications. Disk capacities from 10GB to 32GB (rotating media) and from 32MB to 2GB (Flash) are supported.

The PCI controller on the PMC243 makes full and efficient use of the PCI bandwidth. FIFO buffers allow effective use of PCI burst modes, critical to achieving low PCI overheads. The PMC243 can execute data transfers at full PCI bus speeds. The PMC243 will mount on any PMC location (either directly on a processor card or on a PMC carrier board).

On the disk side, the controller can support 66Mbyte/second transfers to the disk (4 to 6MB burst for Flash), compatible with the most aggressive disk drives.

Utilizing disk drives developed for high end laptops provides two benefits:

• access to rapidly evolving capabilities in both capacity and transfer performance
• integration with environmental requirements that are more stringent than general purpose processor environments

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