Emerson / Motorola 01-W3259F-12A Memory Board

The Emerson/Motorola 01-W3259F-12A is a memory expansion board designed for the MVME2700 Series VME/VME64 Processor Modules. It has 256 MB of ECC DRAM to extend system memory capacity without consuming additional VME slots, making it ideal for industrial, aerospace, military, and medical applications requiring error-corrected memory storage.

Technical Specifications

Memory Capacity: 256 MB ECC DRAM

Memory Technology: Error-Correcting Code Dynamic Random-Access Memory (ECC DRAM)

Manufacturer: Emerson/Motorola

Model: 01-W3259F-12A

Product Type: Memory Expansion Mezzanine

Key Features

ECC DRAM technology for reliable data integrity in systems

Mezzanine form factor eliminates consumption of VME backplane slots

Designed for PowerPC-based processor platforms

Memory upgrade path supporting up to 256 MB total DRAM capacity

Typical Applications The 01-W3259F-12A serves military and aerospace systems, industrial automation controllers, and medical instrumentation platforms where error-corrected memory and VME/VME64 architecture are required. Its ability to add substantial memory without slot conflicts makes it particularly valuable in space-constrained crate installations.

Compatibility & Integration This memory board is engineered specifically for the Motorola MVME2700 Series VME/VME64 Processor Modules, which incorporate PowerPC 750 32-bit microprocessors. The MVME2700 platform features a 32 KB/32 KB L1 cache and 1 MB backside L2 cache, with support for IEEE P1386.1-compatible 32/64-bit PMC expansion slots. The processor module provides Ethernet with 32-bit PCI DMA, 8/16-bit Fast SCSI-2, parallel, floppy, keyboard, and mouse interfaces. On-board resources include 4 MB or 8 MB flash memory with 1 MB socketed option, 8 KB × 8 NVRAM with battery-backed time-of-day clock, and on-board debug monitor with self-test diagnostics.