===== CPUs =====

Wikipedia has many articles on Alpha CPUs that we will not duplicate:

  - [[wp>DEC Alpha|DEC Alpha]]
  - [[wp>Alpha 21064|21064]]
  - [[wp>Alpha 21164|21164]]
  - [[wp>Alpha 21264|21264]]
  - [[wp>Alpha 21364|21364]]
  - [[wp>Alpha 21464|21464]]

==== Socket 499 (PC164, PC164LX, PC164BX/UX, Personal Workstation) ====

^ Manufacturer ^ Part Number ^ Type ^ Frequency ^
| Digital | 21-43918-03 | EV56 | 400 MHz |
| Digital | 21-43918-10 | EV56 | 433 MHz |
| Digital | 21-43918-35 | EV56 | 533 MHz |
| Digital | 21-43918-37 | EV56 | 600 MHz |
| Digital | 21-43918-42 | EV56 | 433 MHz |
| Digital | 21-43918-44 | EV56 | 500 MHz |
| Digital | 21-43918-45 | EV56 | 533 MHz |
| Digital | 21-43918-46 | EV56 | 600 MHz |
| | 21-43918-S5 | EV56 | 500 MHz |
| | 21-43918-S6 | EV56 | 533 MHz |
| | 21-43918-S7 | EV56 | 600 MHz |
| | 21-43918-S8 | EV56 | 633 MHz |
| Samsung | KP21164-533CN | EV56 | 533 MHz |
| Samsung | KP21164-633CN | EV56 | 633 MHz |

==== DP264, DS20, DS20e ====

  * KN31**0** is 500 MHz
  * KN31**1** is 667 MHz
  * KN31**2** is 833 MHz
  * -//x//B is for Tru64 UNIX
  * -//x//C is for OpenVMS
  * -//x//D is for Linux

^ Part Number ^ Type ^ Frequency ^ Cache ^ Pass ^ Notes ^
| 54-24758-01 | EV6 | 500 MHz | 4 MB | | |
| 54-24758-02 | EV6 | 500 MHz | 4 MB | | |
| 54-24758-03 | EV6 | 500 MHz | 4 MB | | |
| 54-24758-05 | EV6 | 500 MHz | 4 MB | 2.3 | |
| 54-24758-06 | EV6 | 500 MHz | | | |
| 54-24758-07 | EV6 | 500 MHz | | | |
| 54-24758-08 | EV6 | 500 MHz | | | |
| 54-24758-35 | EV6 | 500 MHz | 4 MB | | IBM cache |
| 54-30060-01 | EV67 | 667 MHz | 8 MB | 2.2 | IBM/Sony cache |
| 54-30060-02 | EV67 | 667 MHz | 8 MB | 2.2.3 | IBM/Sony cache |
| 54-30060-03 | EV67 | 667 MHz | 8 MB | 2.6 | IBM/Sony cache |
| 54-30060-04 | EV67 | 667 MHz | 8 MB | 2.6 | IBM/Sony cache |
| 54-30068-01 | EV67 | 667 MHz | | | |
| 54-30482-01 | EV68 | 833 MHz | 8 MB | | IBM/Sony cache |
| 54-30482-02 | EV68 | 833 MHz | 8 MB | | |

{{tag>hardware}}