DEC part numbers for microprocessors
| Alpha 21064 |
| DEC part number | Frequency (MHz) | Comment |
| 21-35023-05 | ? | May be marked as "PROTO" |
| 21-35023-08 | ? | |
| 21-35023-12 | ? | |
| 21-35023-13 | 150 | Order number 21064-AA Used in Alphastation 4/150 |
| 21-35023-14 | 166 | Order number 21064-CA Used in Alphastation 200 4/166 |
| 21-35023-19 | 150 | Order number 21064-AA Used in DECstation 3000-300 LX w/CPU board 54-22257-04 |
| 21-35023-20 | ? | |
| 21-35023-21 | 200 | Used in Alphastation 200 4/200 |
| Alpha 21066 |
| DEC part number | Frequency (MHz) | Comment |
| 21-37430-01 | 166 | Order number 21066-AA |
| 21-40501-01 | | Order number 21066-AB |
| 21-40501-04 | | Order number 21066-DB |
| Alpha 21064A |
| DEC part number | Frequency (MHz) | Comment |
| 21-40532-01 | 225 | |
| 21-40532-02 | 200 | Order number 21064-AB |
| 21-40532-03 | 233 | Order number 21064-BB |
| 21-40532-04 | 275? | |
| 21-40532-05 | 275 | Order number 21064-DB |
| 21-40532-06 | 300 | Order number 21064-EB Used in Alphastation 255 |
| 21-40532-08 | 275 | Order number 21064-P1 Used in Alpha Workstation XL266 |
| 21-40532-14 | ? | |
| Alpha 21164 |
| DEC part number | Frequency (MHz) | Comment |
| 21-40658-15 | 266 | Order number 21164-AA |
| 21-40658-17 | 300 | Order number 21164-BA |
| 21-40658-18 | 333 | Order number 21164-CA |
| 21-40658-20 | 300 (?) | |
| Alpha 21164A (21164?) |
| DEC part number | Frequency (MHz) | Comment |
| 21-43918-01 | 333 | Order number 21164-DB |
| 21-43918-02 | 366 | Order number 21164-EB Used in Alpha Workstation XL366 |
| 21-43918-03 | 400 | Order number 21164-FB |
| 21-43918-07 | 500 | Order number 21164-JB |
| 21-43918-10 | 433 | Order number 21164-P6 |
| 21-43918-13 | 400(?) | |
| 21-43918-19 | 333 | Order number 21164-DB |
| 21-43918-21 | 400 | Order number 21164-FB |
| 21-43918-22 | 433? | |
| 21-43918-23 | 466 | Order number 21164-IB |
| 21-43918-25 | 533? | |
| 21-43918-34 | 500? | |
| 21-43918-35 | 533 | Order number 21164-KC |
| 21-43918-37 | 600 | Order number 21164-MC |
| 21-43918-42 | 433 | Order number 21164-P6 Used in Digital server 3000 CPU w/Processor Board 54-24801-04 |
| 21-43918-44 | 500 | Order number 21164-P7 |
| 21-43918-45 | 533 | Order number 21164-P8 |
| 21-43918-S5 | 500? | |
| 21-43918-S6 | 533? | |
| 21-43918-S7 | 600? | |
| 21-43918-S8 | 633? | |
| Alpha 21264 |
| DEC part number | Frequency (MHz) | Comment |
| 21-49643-09 | 575? | |
| 21-49643-57 | 500? | |
| 21-49643-S8 | 525 | |
| 21-49643-SB | 500? | |
| DE-A264A-G2 | 500 | |
| DE-A264A-G3 | 525 | |
| Alpha 21264B |
| DEC part number | Frequency (MHz) | Comment |
| 21-56328-S4 | ? | |
please add 21-43918-03
The 21-43918-03 is missing from your list.
This is a 21164 400MHz also marked 21164-FB 400.
Please add if possible. Regards, G.A.