• Thumbnail for Alpha 21064
    The Alpha 21064 is a microprocessor developed and fabricated by Digital Equipment Corporation that implemented the Alpha (introduced as the Alpha AXP)...
    29 KB (4,124 words) - 14:43, 14 February 2024
  • Thumbnail for DEC Alpha
    Alpha architecture. One key difference between the EV3 and later models was the absence of a floating-point unit. The first version, the Alpha 21064 or...
    63 KB (6,329 words) - 21:36, 4 September 2024
  • Thumbnail for Alpha 21264
    (43-bit virtual and 40-bit physical for Alpha 21164, and 43-bit virtual and 34-bit physical for Alpha 21064). The Alpha 21264 contained 15.2 million transistors...
    18 KB (2,675 words) - 03:04, 31 July 2024
  • Thumbnail for Pentium (original)
    included the superscalar PowerPC 601 (1993), SuperSPARC (1992), DEC Alpha 21064 (1992), AMD 29050 (1990), Motorola MC88110 (1991) and Motorola 68060...
    36 KB (3,491 words) - 02:26, 9 September 2024
  • Daniel W. Dobberpuhl, who was previously the lead designer for the DEC Alpha 21064 and StrongARM processors. The company employed a 150-person engineering...
    9 KB (719 words) - 14:07, 2 April 2024
  • Thumbnail for Instructions per second
    March 1991). "Computerworld". IDG Enterprise – via Google Books. Digital's 21064 Microprocessor, Digital Equipment Corporation[permanent dead link] (c1992)...
    64 KB (3,347 words) - 08:20, 8 September 2024
  • DEC J-11 DEC V-11 MicroVAX 78032 CVAX Rigel Mariah NVAX Alpha 21064 Alpha 21164 Alpha 21264 Alpha 21364 StrongARM Vortex86 Emotion Engine Elbrus 2K (VLIW...
    10 KB (746 words) - 22:45, 2 August 2024
  • 75 4.2 PowerPC 601 clock × 0.84 4.7 Alpha 21064/21064A clock × 0.99 5.5 Alpha 21066/21066A clock × 0.99 5.5 Alpha 21164/21164A clock × 0.99 5.5 Intel...
    10 KB (1,008 words) - 05:29, 4 June 2024
  • Entertainment PC was dropped. Required: 120 MHz Pentium, MIPS R4x00, Digital Alpha 21064 (EV4) or IBM PowerPC architecture (latter three only under Windows NT)...
    9 KB (674 words) - 04:47, 16 July 2024
  • Thumbnail for CPU socket
    "LGA 4189 Socket and Hardware" (PDF). Hachman, Mark (February 2, 1999). "Alpha camp moves to "Slot B" connector to push further into workstations". EE...
    34 KB (730 words) - 21:50, 8 September 2024
  • Communications Instruction translation buffer, a type of cache used in Alpha 21064 microprocessors Search for "itb" on Wikipedia. ITBS (disambiguation)...
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  • Thumbnail for 64-bit computing
    processors). Alpha 21064 supported 43 bits of virtual memory address space (8 TB) and 34 bits of physical memory address space (16 GB). Alpha 21164 supported...
    56 KB (7,163 words) - 18:12, 10 September 2024
  • OpenVMS Alpha releases support a maximum virtual address space size of 8TiB (a 43-bit address space), which is the maximum supported by the Alpha 21064 and...
    102 KB (9,045 words) - 20:01, 10 August 2024
  • Chips. Smith, James E.; Weiss, Shlomo (June 1994). "PowerPC 601 and Alpha 21064: A Tale of Two RISCs" (PDF). IEEE Computer. 27 (6): 46–58. doi:10.1109/2...
    36 KB (4,280 words) - 16:03, 10 September 2024
  • Thumbnail for History of computing hardware (1960s–present)
    1992 DEC Alpha 21064; Hewlett-Packard PA-7100; Sun microSPARC I 1993 IBM POWER2, PowerPC 601; Intel Pentium; Hitachi SuperH 1994 DEC Alpha 21064A; Hewlett-Packard...
    52 KB (4,871 words) - 06:30, 8 September 2024
  • University Graduate School of Management. He was a co-architect of the Alpha 21064 and Alpha 21264 microprocessors during his employment at DEC and also worked...
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  • Thumbnail for Branch predictor
    Pentium, DEC Alpha 21064, the MIPS R8000, and the IBM POWER series. These processors all rely on one-bit or simple bimodal predictors. The DEC Alpha 21264 (EV6)...
    40 KB (4,762 words) - 04:55, 15 June 2024
  • Thumbnail for POWER2
    introduced, the POWER2 was the fastest microprocessor, surpassing the Alpha 21064. When the Alpha 21064A was introduced in 1993, the POWER2 lost the lead and became...
    8 KB (1,007 words) - 03:27, 15 December 2022
  • 32 and 2048 Processing Elements (PEs), each comprising a 150 MHz DEC Alpha 21064 (EV4) microprocessor and either 16 or 64 MB of DRAM. PEs were grouped...
    3 KB (356 words) - 15:43, 12 February 2024
  • Thumbnail for Microprocessor chronology
    IBM 33 MHz 32 800 nm 1.0 1992 SH-1 Hitachi 20 MHz 32 800 nm 0.6 1992 Alpha 21064 DEC 100–200 MHz 64 750 nm 1.68 1992 microSPARC I Sun 40–50 MHz 32 800 nm...
    52 KB (2,639 words) - 08:29, 8 September 2024
  • speculative issue eSi-3250 5 In-order, speculative issue EV4 (Alpha 21064) Superscalar EV7 (Alpha 21364) Superscalar design with out-of-order execution, branch...
    18 KB (160 words) - 12:17, 4 June 2024
  • Thumbnail for MPIR (mathematics software)
    Assembly language code exists for these as of 2012[update]: ARM, DEC Alpha 21064, 21164, and 21264, AMD K6, K6-2, Athlon, K8 and K10, Intel Pentium, Pentium...
    3 KB (246 words) - 02:05, 26 September 2023
  • Kaufmann. ISBN 1558602798. — Relevant parts: Chapter 8 (describes the PowerPC 601), and Chapter 11 (a comparison of the PowerPC 601 and Alpha 21064)...
    35 KB (4,360 words) - 14:47, 4 October 2023
  • Thumbnail for Alpha 21164
    The B-cache is controlled by on-die external interface logic, unlike the 21064, which required an external cache controller. The B-cache could be built...
    22 KB (3,041 words) - 03:04, 31 July 2024
  • Thumbnail for Silicon Glen
    manufacturing plant in South Queensferry where the pioneering 64-bit Alpha 21064 and its derivatives were made. Digital also opened an office in Livingston...
    15 KB (1,528 words) - 14:01, 11 August 2024
  • Thumbnail for Encore Computer
    time in the high-performance real-time market, Encore turned to the Alpha 21064 to create the Infinity R/T Model 300, which first shipped in late 1994...
    8 KB (842 words) - 03:40, 27 August 2024
  • microprocessor (that is, excluding the cache). For example, the last DEC Alpha chip uses 90% of its transistors for cache. A graphics processing unit (GPU)...
    229 KB (10,130 words) - 09:25, 5 September 2024
  • Thumbnail for PA-7100
    and competed primarily with the Digital Equipment Corporation (DEC) Alpha 21064 in the workstation and server markets. PA-7100 users were HP in its HP...
    5 KB (488 words) - 12:38, 23 November 2022
  • Thumbnail for AlphaStation
    the name suggests, the AlphaStations were based on the DEC Alpha 64-bit microprocessor. Supported operating systems for AlphaStations comprise Tru64 UNIX...
    11 KB (279 words) - 18:12, 6 September 2023
  • Thumbnail for AlphaServer
    AlphaServer is a series of server computers, produced from 1994 onwards by Digital Equipment Corporation, and later by Compaq and HP. AlphaServers were...
    29 KB (705 words) - 01:30, 7 July 2024