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Product Detail

PDQ-1200 Product Photo

PDP-11 on a Board

Single PDPq Qbus replacement module

PDQ-1200 Data Sheet

SKU: PDQ-1200-AA. Category: .

Product Description

NEW PDP-11 on a Board (NuPDPq 1200) allows you to “drop a new engine” in your PDP-11. Now you can upgrade your real-time application with modern, easy-to-maintain equipment that allows you to preserve your investment in hardware and software while improving performance and lowering operating costs.


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


  • Existing PDP-11 applications
  • Specialized Qbus I/O interfaces
  • Packaging and cables


  • Speeds up to 25 times the speed of a PDP-11
  • 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)

PDP-11 Compatibility

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

Additional Information

Processors Supported

PDP-11/03, PDP-11/23, PDP-11/53, PDP-11/73, PDP-11/83, PDP-11/93

Disk Controllers Emulated

QDA50, RLV11, RLV12, RQDX3, RQZX1, RX21, RXV11

Tape Drives Emulated

TK25, TK50, TK70, TU58

  • CPU, memory and mass storage module
  • NuPDPq software license
  • Serial console cables (9 and 25-pin)
  • "In everything we do, we strive to exceed expectations" - Les Wellington, President

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