DECpc explained

DECpc was a wide-ranging family of desktop computers, laptops, servers, and workstations sold by Digital Equipment Corporation. The vast majority in the family are based on x86 processors, although the APX 150 uses DEC's own Alpha processor. The line was DEC's first big break into the IBM PC compatible market.[1]

Some entries in the desktop DECpc range were built by Olivetti S.p.A. and Tandy Corporation.

Line-up

Explanatory notes
  • Upgradable with snap-in processor/cache daughtercard
  • Advanced Power Management–compliant

    Desktops

    ModelProcessorClock speedForm factorDrive baysBus architectureExpansion slotsDate introduced
    320sx LP386SX20Small-form-factor desktop1 × 5.25-in
    3 × 3.5-in (2 internal)    		ISA
    325sx LP386SX25Small-form-factor desktop1 × 5.25-in
    3 × 3.5-in (2 internal)    		ISA
    333sx LP386SX33Small-form-factor desktop1 × 5.25-in
    3 × 3.5-in (2 internal)    		ISA, VLB
    340dx LP386DX40Small-form-factor desktop1 × 5.25-in
    3 × 3.5-in (2 internal)    		ISA, VLB
    425sx LP486SX25Small-form-factor desktop1 × 5.25-in
    3 × 3.5-in (2 internal)    		ISA, VLB
    433dx LP486DX33Small-form-factor desktop1 × 5.25-in
    3 × 3.5-in (2 internal)    		ISA, VLB
    450d2 LP486DX250Small-form-factor desktop1 × 5.25-in
    3 × 3.5-in (2 internal)    		ISA, VLB
    466d2 LP486DX266Small-form-factor desktop1 × 5.25-in
    3 × 3.5-in (2 internal)    		ISA, VLB
    LPv 425sx486DX25Small-form-factor desktop1 × 5.25-in
    3 × 3.5-in (2 internal)    		ISA, VLB
    LPv 433dx486DX33Small-form-factor desktop1 × 5.25-in
    3 × 3.5-in (2 internal)    		ISA, VLB3
    LPv 450d2486DX250Small-form-factor desktop1 × 5.25-in
    3 × 3.5-in (2 internal)    		ISA, VLB3
    LPx 433sx486SX33Full desktop3 × 5.25-in
    1 × 3.5-in    		ISA, VLB
    LPx 433dx486DX33Full desktop3 × 5.25-in
    1 × 3.5-in    		ISA, VLB
    LPx 450d2486DX250Full desktop3 × 5.25-in
    1 × 3.5-in    		ISA, VLB
    LPx 466d2486DX266Full desktop3 × 5.25-in
    1 × 3.5-in    		ISA, VLB
    MTE 433dx486DX33Mini-tower5 × 5.25-in
    1 × 3.5-in    		EISA5
    MTE 466d2486DX266Mini-tower5 × 5.25-in
    1 × 3.5-in    		EISA5
    STFull tower5 × 5.25-in
    1 × 3.5-in    		EISA8 (2 proprietary)
    LPv+ 425sx486SX25Small-form-factor desktop1 × 5.25-in
    3 × 3.5-in (2 internal)    		ISA, VLB3
    LPv+ 433sx486SX33Small-form-factor desktop1 × 5.25-in
    3 × 3.5-in (2 internal)    		ISA, VLB3
    LPv+ 433dx486DX33Small-form-factor desktop1 × 5.25-in
    3 × 3.5-in (2 internal)    		ISA, VLB3
    LPv+ 450d2486DX250Small-form-factor desktop1 × 5.25-in
    3 × 3.5-in (2 internal)    		ISA, VLB3
    LPv+ 466d2486DX266Small-form-factor desktop1 × 5.25-in
    3 × 3.5-in (2 internal)    		ISA, VLB3
    LPv+ 4100486DX4100Small-form-factor desktop1 × 5.25-in
    3 × 3.5-in (2 internal)    		ISA, VLB3
    LPx+ 450d2486DX250Full desktop3 × 5.25-in
    1 × 3.5-in    		ISA, VLB
    LPx+ 4100486DX4100Full desktop3 × 5.25-in
    1 × 3.5-in    		ISA, VLB

    Laptops

    ModelProcessorClock speed RAM (MB)LCD technology and size (diagonal)ManufacturerDate introduced
    320P80386SX208Passive-matrix monochrome, 7 inPTCC, Inc. (Tandy–Matsushita)
    325P80386SL25Passive-matrix monochrome, 10 inPTCC, Inc.[2]
    325SL80386SL25Passive-matrix monochrome, 10 inAST Research
    325SLC80386SL25Passive-matrix color, 9.5 inAST Research
    425SL80486SL2532Passive-matrix monochrome, 10 inAST Research
    425SLC80486SL2532Active-matrix color, 9.5 inAST Research
    433SLC Premium80486SL3332Active-matrix color, 9.5 inAST Research
    425SE80486SL2520Passive-matrix monochrome, 9.5 inAST Research
    425SE Color80486SL2520Passive-matrix color, 9.5 inAST Research
    433SE80486SL33Passive-matrix monochrome, 9.5 inAST Research
    433SE Color80486SL33Passive-matrix color, 9.5 inAST Research

    Workstations and servers

    See also: DECpc AXP 150.

    ModelProcessorClock speedForm factorDrive baysBus architectureExpansion slotsDate introduced
    XL Server 466486DX266Full tower9EISA, PCI7 (4 EISA, 2 PCI, 1 proprietary, dual-use network bus)[3]
    XL Server 560Pentium60Full tower9EISA, PCI7 (4 EISA, 2 PCI, 1 proprietary, dual-use network bus)
    XL Server 566Pentium66Full tower9EISA, PCI7 (4 EISA, 2 PCI, 1 proprietary, dual-use network bus)

    See also

    Notes and References

    1. Darrow . Barbara . May 27, 1991 . DEC Attempts to Crack PC Market . InfoWorld . IDG Publications . 13 . 21 . 23 . Google Books.
    2. Anothony . Robert . Julie Cohen . December 22, 1992 . DECpc 325P, GRiD 1660, GRiD 1755 486SLC . PC Magazine . Ziff-Davis . 11 . 22 . 222–223 . Google Books.
    3. Burns . Christine . March 14, 1994 . Digital and HP roll out servers . Network World . IDG Publications . 11 . 11 . 8 . Google Books.

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