DECpc

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]

DECpc wordmark
DECpc wordmark

Some entries in the desktop DECpc range were built by Olivetti S.p.A. and Tandy Corporation.[1]

Line-up
Close-up of a DECpc LPv 425sx
DECpc 320P
DECpc 425SE Color
Explanatory notes
† Upgradable with snap-in processor/cache daughtercard[2]
‡ Advanced Power Management–compliant[3]

Desktops
Model Processor Clock speed Form factor Drive bays Bus architecture Expansion slots Date introduced
333sx LP 386SX 33 Small-form-factor desktop 2 × 5.25-in (1 internal)
1 × 3.5-in 		ISA, VLB November 1992[2]
340dx LP 386DX† 40 Small-form-factor desktop 2 × 5.25-in (1 internal)
1 × 3.5-in 		ISA, VLB November 1992[2]
425sx LP 486SX† 25 Small-form-factor desktop 2 × 5.25-in (1 internal)
1 × 3.5-in 		ISA, VLB November 1992[2]
433dx LP 486DX† 33 Small-form-factor desktop 2 × 5.25-in (1 internal)
1 × 3.5-in 		ISA, VLB November 1992[2]
450d2 LP 486DX2† 50 Small-form-factor desktop 2 × 5.25-in (1 internal)
1 × 3.5-in 		ISA, VLB November 1992[2]
466d2 LP 486DX2† 66 Small-form-factor desktop 2 × 5.25-in (1 internal)
1 × 3.5-in 		ISA, VLB November 1992[2]
LPv 425sx 486DX† 25 Small-form-factor desktop 2 × 5.25-in (1 internal)
1 × 3.5-in 		ISA, VLB August 1993[4]
LPv 433dx 486DX 33 Small-form-factor desktop 2 × 5.25-in (1 internal)
1 × 3.5-in 		ISA, VLB 3 1993[5]
LPv 450d2 486DX2 50 Small-form-factor desktop 2 × 5.25-in (1 internal)
1 × 3.5-in 		ISA, VLB 3 1993[5]
LPx 433sx 486SX 33 Full desktop 3 × 5.25-in
1 × 3.5-in 		ISA, VLB 1993[6]
LPx 433dx 486DX 33 Full desktop 3 × 5.25-in
1 × 3.5-in 		ISA, VLB 1993[6]
LPx 450d2 486DX2 50 Full desktop 3 × 5.25-in
1 × 3.5-in 		ISA, VLB 1993[6]
LPx 466d2 486DX2 66 Full desktop 3 × 5.25-in
1 × 3.5-in 		ISA, VLB 1993[6]
MTE 433dx 486DX 33 Mini-tower 5 × 5.25-in
1 × 3.5-in 		EISA 5 1993[7]
MTE 466d2 486DX2 66 Mini-tower 5 × 5.25-in
1 × 3.5-in 		EISA 5 1993[7]
ST Full tower 5 × 5.25-in
1 × 3.5-in 		EISA 8 (2 proprietary) 1993[8]
LPv+ 425sx 486SX 25 Small-form-factor desktop 2 × 5.25-in (1 internal)
1 × 3.5-in 		ISA, VLB‡ 3[9] January 1994[3]
LPv+ 433sx 486SX 33 Small-form-factor desktop 2 × 5.25-in (1 internal)
1 × 3.5-in 		ISA, VLB‡ 3[9] January 1994[3][9]
LPv+ 433dx 486DX 33 Small-form-factor desktop 2 × 5.25-in (1 internal)
1 × 3.5-in 		ISA, VLB‡ 3[9] January 1994[3][9]
LPv+ 450d2 486DX2 50 Small-form-factor desktop 2 × 5.25-in (1 internal)
1 × 3.5-in 		ISA, VLB‡ 3[9] January 1994[3][10]
LPv+ 466d2 486DX2 66 Small-form-factor desktop 2 × 5.25-in (1 internal)
1 × 3.5-in 		ISA, VLB‡ 3[9] January 1994[3]
LPv+ 4100 486DX4 100 Small-form-factor desktop 2 × 5.25-in (1 internal)
1 × 3.5-in 		ISA, VLB‡ 3[9] May 1994[10]
LPx+ 450d2 486DX2 50 Full desktop 3 × 5.25-in
1 × 3.5-in 		ISA, VLB‡ May 1994[10]
LPx+ 4100 486DX4 100 Full desktop 3 × 5.25-in
1 × 3.5-in 		ISA, VLB‡ May 1994[10]

Laptops
Model Processor Clock speed Max. RAM (MB) LCD technology and size (diagonal) Manufacturer Date introduced
320P 80386SX 20 8 Passive-matrix monochrome, 7 in PTCC, Inc. (Tandy–Matsushita) February 1992[11][12]
325P 80386SL 25 Passive-matrix monochrome, 10 in PTCC, Inc.[13] November 1992[14]
325SL 80386SL 25 Passive-matrix monochrome, 10 in AST Research 1993[15]
325SLC 80386SL 25 Passive-matrix color, 9.5 in[16] AST Research 1993[15]
425SL 80486SL 25 32 Passive-matrix monochrome, 10 in AST Research 1993[15]
425SLC 80486SL 25 32 Active-matrix color, 9.5 in AST Research 1993[17]
433SLC Premium 80486SL 33 32 Active-matrix color, 9.5 in AST Research January 1994[3][18]
425SE 80486SL 25 20 Passive-matrix monochrome, 9.5 in AST Research January 1994[3][19]
425SE Color 80486SL 25 20 Passive-matrix color, 9.5 in AST Research January 1994[3][19]
433SE 80486SL 33 Passive-matrix monochrome, 9.5 in AST Research April 1994[20]
433SE Color 80486SL 33 Passive-matrix color, 9.5 in AST Research April 1994[20]

Workstations and servers
See also: DECpc AXP 150
Model Processor Clock speed Form factor Drive bays Bus architecture Expansion slots Date introduced
XL Server 466 486DX2 66 Full tower 9 EISA, PCI 7 (4 EISA, 2 PCI, 1 proprietary, dual-use network bus) March 1994[21]
XL Server 560 Pentium 60 Full tower 9 EISA, PCI 7 (4 EISA, 2 PCI, 1 proprietary, dual-use network bus) March 1994[21]
XL Server 566 Pentium 66 Full tower 9 EISA, PCI 7 (4 EISA, 2 PCI, 1 proprietary, dual-use network bus) March 1994[21]

See also

References
  1. Darrow, Barbara (May 27, 1991). "DEC Attempts to Crack PC Market". InfoWorld. IDG Publications. 13 (21): 23 – via Google Books.
  2. Torgan, Emerson Andrew (November 10, 1992). "DEC Dives into the Low-End PC Arena with DECpc LP Line". PC Magazine. Ziff-Davis. 11 (19): 62 – via Google Books.
  3. Quinlan, Tom (January 17, 1994). "Digital systems target desktop publishing". InfoWorld. IDG Publications. 16 (3): 29 – via Google Books.
  4. Stedman, Craig (August 30, 1993). "DEC PC push to take low-cost turn". Computerworld. CW Communications. 27 (35): 16 – via Google Books.
  5. Rist, Oliver (December 7, 1993). "DECpc LPv". PC Magazine. Ziff-Davis. 12 (21): 200 – via Google Books.
  6. Rist, Oliver (December 7, 1993). "DECpc LPx". PC Magazine. Ziff-Davis. 12 (21): 200 – via Google Books.
  7. Rist, Oliver (December 7, 1993). "DECpc MTE". PC Magazine. Ziff-Davis. 12 (21): 200 – via Google Books.
  8. Rist, Oliver (December 7, 1993). "DECpc ST". PC Magazine. Ziff-Davis. 12 (21): 202 – via Google Books.
  9. Service Maintenance Manual: DECpc LPv/LPv+ PC (PDF). Digital Equipment Corporation. January 1996. p. 9.
  10. DiCarlo, Lisa (May 23, 1994). "DEC unveils 6 PCs, upgrades others". PC Week. Ziff-Davis. 11 (20): 29 – via Gale OneFile.
  11. Fisher, Susan E. (February 3, 1992). "DEC to offer direct-market notebook PC". PC Week. Ziff-Davis. 9 (5): 14 – via Gale OneFile.
  12. Garretson, Rob (June 1992). "A Notebook to Notice". PC World. IDG Publications. 10 (6): 66 – via Gale OneFile.
  13. Anothony, Robert; Julie Cohen (December 22, 1992). "DECpc 325P, GRiD 1660, GRiD 1755 486SLC". PC Magazine. Ziff-Davis. 11 (22): 222–223 – via Google Books.
  14. Wilson, Jayne (November 9, 1992). "Notebook from DEC is a battery miser". InfoWorld. IDG Publications. 14 (45): 40 – via Google Books.
  15. Rist, Oliver (August 1993). "AST Research EL Color, AST Research 3/25SL, AST Research 4/25SL Color Plus, DECpc 325SL, DECpc 325SLC, DECpc 425SL". PC Magazine. Ziff-Davis: 148–157 – via Google Books.
  16. Nash, Siobhan, ed. (March 22, 1993). "Color notebooks". InfoWorld. IDG Publications. 15 (12): 72–83 – via Google Books.
  17. Potter, Steve (December 21, 1993). "DECpc 425SLC". PC Magazine. Ziff-Davis. 12 (22): 239–241 – via Google Books.
  18. Flanagan, William P. (August 1994). "DECpc 433SLC Premium". PC Magazine. Ziff-Davis. 13 (14): 189, 203 – via Google Books.
  19. Wynblatt, Jodi L. (August 1994). "DECpc SE, DECpc SE Color". PC Magazine. Ziff-Davis. 13 (14): 188, 203 – via Google Books.
  20. Staff writer (April 14, 1994). "DEC Gets Serious About Notebooks with DECpc SE Mono and Colour". Computer Business Review. New Statesman Media Group. Archived from the original on March 1, 2022.
  21. Burns, Christine (March 14, 1994). "Digital and HP roll out servers". Network World. IDG Publications. 11 (11): 8 – via Google Books.
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