DEC Alpha 21064
E440486
The DEC Alpha 21064 is a 64-bit RISC microprocessor from Digital Equipment Corporation’s Alpha family, notable as one of the first commercially available 64-bit CPUs and used in high-performance workstations and servers in the early 1990s.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Alpha 21064 | 1 |
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
64-bit RISC microprocessor
ⓘ
microprocessor ⓘ |
| addressSpace | 64-bit virtual address space ⓘ |
| applicationDomain |
enterprise servers
ⓘ
high-performance computing ⓘ technical workstations ⓘ |
| architecture | Alpha NERFINISHED ⓘ |
| category |
central processing unit
ⓘ
microprocessor ⓘ |
| clockFrequencyRange | around 150 MHz ⓘ |
| codeName | EV4 NERFINISHED ⓘ |
| designedBy | Digital Equipment Corporation NERFINISHED ⓘ |
| designStyle | RISC ⓘ |
| endianess | little-endian ⓘ |
| familyGeneration | first-generation Alpha implementation ⓘ |
| floatingPointSupport | integrated floating-point unit ⓘ |
| instructionSetArchitecture | Alpha ISA NERFINISHED ⓘ |
| integerUnit | integrated integer unit ⓘ |
| introductionDate | 1992 ⓘ |
| manufacturer | Digital Equipment Corporation NERFINISHED ⓘ |
| marketAvailability | early 1990s ⓘ |
| marketPosition | high-end ⓘ |
| marketSegment |
departmental servers
ⓘ
professional workstations ⓘ |
| notableFor |
being one of the first commercially available 64-bit CPUs
ⓘ
high performance for its time ⓘ |
| partOf | DEC Alpha family NERFINISHED ⓘ |
| pipelineType | superscalar ⓘ |
| predecessor | DEC Alpha 21064AA NERFINISHED ⓘ |
| successor | DEC Alpha 21164 NERFINISHED ⓘ |
| supports |
32-bit compatibility mode
ⓘ
64-bit integer arithmetic ⓘ 64-bit virtual memory ⓘ IEEE floating-point ⓘ out-of-order-like performance via deep pipelining ⓘ superscalar execution ⓘ |
| technologyNode | CMOS ⓘ |
| usedIn |
DEC Alpha AXP systems
NERFINISHED
ⓘ
servers ⓘ workstations ⓘ |
| usedWith |
DEC OSF/1
NERFINISHED
ⓘ
OpenVMS NERFINISHED ⓘ UNIX operating systems ⓘ |
| wordSize | 64-bit ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Alpha 21064