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MicroVAX II Museum

The World's First MicroVAX II Museum

  • Home Page
    • Home Page
    • About
  • Howto
    • Howto
    • Backup/Restore on a VAX
    • TK50 Formatting
    • TK50 Cleaning
    • Repairs
      • BA213 Power Supply Upgrade
      • DECSERVER 200 Fan Replacement
      • VT320 CRT Replacement
      • Attempted Repair – Cipher 880 (or 891) Tape Drive
      • LK402-AA Keyboard Fix
      • VT320 CRT Replacement
      • KA630 Console Bulkhead Dead LED Output Fuse Fix
  • Literature
  • Useful Information
    • MicroVAX II Hardware Resources
    • Links
    • Switch and Jumper Settings
    • Useful Tips (Software)
    • ROM Images
  • Photo Galleries
  • Projects
    • A Custom Combo MicroVAX II Panel Board
    • BA23 Power Supply (H7684-A / H7864-B) Replacement
    • KA630/650/655 TOY Battery Replacement Board
    • FUNCT SEL/SLU Module Replacement Project
    • TARZAN- a Homebrew MicroVAX II
  • Exhibits
    • MicroVAX 3 (Actually a DSVAX III)
    • The MicroVAX I – Slow, Really Slow
    • The MicroVAX II – Workhorse of the 80’s

Year: 2017

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  • 2017
Exhibits

MicroVAX 3 (Actually a DSVAX III)

May 25, 2017March 7, 2019By Alon

The MicroVAX II’s “successor” was the MicroVAX 3300/3400, which used the KA640 CPU (2.4 VUPS). The MicroVAX 3 was based on the not-so-much-faster KA650, rated at

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Exhibits

The MicroVAX I – Slow, Really Slow

May 25, 2017March 7, 2019By Alon

The picture would not be complete without a look at the MicroVAX I, the II’s predecessor.

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Exhibits

The MicroVAX II – Workhorse of the 80’s

May 25, 2017January 13, 2020By Alon

“MicroVAX II is one of the most significant and exciting products we’ve ever had” – Ken Olsen, 1985 “Most of the computers that have come

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Repairs Uncategorized

BA213 Power Supply Upgrade

May 24, 2017March 24, 2018By Alon

I managed to put my hands on a “Dec ChannelServer II” BA213 box, with a dead H7868-B power supply. The ChannelServer was based on a

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Recent Posts

  • Recordings of MicroVAX II Machines
  • More On the DSVAX III
  • VT320 Horizontal Size Adjustment Hack
  • JANE the MicroVAX II is Here!
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Pages

  • A Custom Combo MicroVAX II Panel Board
  • About
  • Backup/Restore Operations on a VAX
  • Home Page
  • Links
  • Literature Collection
  • MicroVAX II Hardware Resources
  • ROM Images
  • Switch and Jumper Settings
  • Useful Tips (Software)

Recent Posts

  • Recordings of MicroVAX II Machines
  • More On the DSVAX III
  • VT320 Horizontal Size Adjustment Hack
  • JANE the MicroVAX II is Here!

Pages

  • A Custom Combo MicroVAX II Panel Board
  • About
  • Backup/Restore Operations on a VAX
  • Home Page
  • Links
  • Literature Collection
  • MicroVAX II Hardware Resources
  • ROM Images
  • Switch and Jumper Settings
  • Useful Tips (Software)
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