Tsunami/Typhoon 21272 Chipset

Tsunami/Typhoon 21272 Chipset is a core logic chipset used in many DEC/Compaq/HP Alpha systems. It is a set of application-specific integrated circuits (ASICs) that complement the Digital 21264 family of Alpha microprocessors. The chipset provided a solution for low-cost, high-performance, mid to high-end client systems and low-end server systems.

The key features:

• The first manual is dated by 1995. The first systems are released in 1999(?).
• Systems:
  • AlphaServer DS10,
  • AlphaServer DS10L,
  • AlphaServer DS20,
  • AlphaServer DS20E,
  • AlphaServer DS20L,
  • AlphaServer ES40,
  • and others.
• CPUs: 1-2 or Tsunami, 1-4 for Typhoon.
• IO: 1-2 PCI hoses.
• Is supported by OpenVMS starting from 7.1-2
• Is supported by Digital UNIX/Tru64 starting from 4.0E