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Product Detail


NuVAX 4400 System

VAX Replacement System With KWV11-C Clock, 9 Option Slots and Embedded Ethernet

MVX-4400 Data Sheet

MVX-4400 Manual

Product Description

NuVAX 4400 is a modern, industry-standard system that replaces the VAX chassis, CPU, memory, KWV11-C clock and mass storage. Your current VAX disk images can be transferred onto a NuVAX system and run your existing operating system and applications. You can select from a variety of new technology controllers such as the DRV11-WA and DRQ3B to replace popular legacy Qbus interfaces. When a new interface is not available for your application, you can choose to retain your interface in a Qbus chassis connected to the NuVAX, or we can design a replacement.


  • Obsolete disks and tapes
  • High maintenance costs
  • Aging, unreliable equipment


  • Existing applications
  • Specialized Qbus I/O interfaces
  • Packaging and cables


  • Performance up to 70 VUPS
  • New equipment, new warranty
  • High performance disk

Qbus Support

  • Support for multiple Qbus devices
  • Follows all Qbus rules and specifications
  • Both Qbus PIO and DMA data transers are supported as well as all four Qbus interrupts
  • Qbus PIO and DMA data transfers occur at maximum Qbus speeds; throughput is limited only by the Qbus device(s)

VAX Compatibility

  • Software compatible with existing applications
  • Hardware compatible
  • Diagnostic compatible

Additional Information

Processors Supported

MicroVAX, MicroVAX 3300, MicroVAX 3400, MicroVAX 3500, MicroVAX 3600, MicroVAX 3800, MicroVAX 3900, MicroVAX II

Disk Controllers Emulated


Tape Controllers Emulated

TQK50, TQK70

VAX Memory

128 MB

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