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

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
320sx LP	386SX	20	Small-form-factor desktop	1 × 5.25-in 3 × 3.5-in (2 internal)	ISA		April 1992[4]
325sx LP	386SX	25	Small-form-factor desktop	1 × 5.25-in 3 × 3.5-in (2 internal)	ISA		April 1992[5][4]
333sx LP	386SX	33	Small-form-factor desktop	1 × 5.25-in 3 × 3.5-in (2 internal)	ISA, VLB		November 1992[2]
340dx LP	386DX†	40	Small-form-factor desktop	1 × 5.25-in 3 × 3.5-in (2 internal)	ISA, VLB		November 1992[2]
425sx LP	486SX†	25	Small-form-factor desktop	1 × 5.25-in 3 × 3.5-in (2 internal)	ISA, VLB		November 1992[2]
433dx LP	486DX†	33	Small-form-factor desktop	1 × 5.25-in 3 × 3.5-in (2 internal)	ISA, VLB		November 1992[2]
450d2 LP	486DX2†	50	Small-form-factor desktop	1 × 5.25-in 3 × 3.5-in (2 internal)	ISA, VLB		November 1992[2]
466d2 LP	486DX2†	66	Small-form-factor desktop	1 × 5.25-in 3 × 3.5-in (2 internal)	ISA, VLB		November 1992[2]
LPv 425sx	486DX†	25	Small-form-factor desktop	1 × 5.25-in 3 × 3.5-in (2 internal)	ISA, VLB		August 1993[6]
LPv 433dx	486DX	33	Small-form-factor desktop	1 × 5.25-in 3 × 3.5-in (2 internal)	ISA, VLB	3	1993[7]
LPv 450d2	486DX2	50	Small-form-factor desktop	1 × 5.25-in 3 × 3.5-in (2 internal)	ISA, VLB	3	1993[7]
LPx 433sx	486SX	33	Full desktop	3 × 5.25-in 1 × 3.5-in	ISA, VLB		1993[8]
LPx 433dx	486DX	33	Full desktop	3 × 5.25-in 1 × 3.5-in	ISA, VLB		1993[8]
LPx 450d2	486DX2	50	Full desktop	3 × 5.25-in 1 × 3.5-in	ISA, VLB		1993[8]
LPx 466d2	486DX2	66	Full desktop	3 × 5.25-in 1 × 3.5-in	ISA, VLB		1993[8]
MTE 433dx	486DX	33	Mini-tower	5 × 5.25-in 1 × 3.5-in	EISA	5	1993[9]
MTE 466d2	486DX2	66	Mini-tower	5 × 5.25-in 1 × 3.5-in	EISA	5	1993[9]
ST			Full tower	5 × 5.25-in 1 × 3.5-in	EISA	8 (2 proprietary)	1993[10]
LPv+ 425sx	486SX	25	Small-form-factor desktop	1 × 5.25-in 3 × 3.5-in (2 internal)	ISA, VLB‡	3[11]	January 1994[3]
LPv+ 433sx	486SX	33	Small-form-factor desktop	1 × 5.25-in 3 × 3.5-in (2 internal)	ISA, VLB‡	3[11]	January 1994[3][11]
LPv+ 433dx	486DX	33	Small-form-factor desktop	1 × 5.25-in 3 × 3.5-in (2 internal)	ISA, VLB‡	3[11]	January 1994[3][11]
LPv+ 450d2	486DX2	50	Small-form-factor desktop	1 × 5.25-in 3 × 3.5-in (2 internal)	ISA, VLB‡	3[11]	January 1994[3][12]
LPv+ 466d2	486DX2	66	Small-form-factor desktop	1 × 5.25-in 3 × 3.5-in (2 internal)	ISA, VLB‡	3[11]	January 1994[3]
LPv+ 4100	486DX4	100	Small-form-factor desktop	1 × 5.25-in 3 × 3.5-in (2 internal)	ISA, VLB‡	3[11]	May 1994[12]
LPx+ 450d2	486DX2	50	Full desktop	3 × 5.25-in 1 × 3.5-in	ISA, VLB‡		May 1994[12]
LPx+ 4100	486DX4	100	Full desktop	3 × 5.25-in 1 × 3.5-in	ISA, VLB‡		May 1994[12]

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[13][14]
325P	80386SL	25		Passive-matrix monochrome, 10 in	PTCC, Inc.[15]	November 1992[16]
325SL	80386SL	25		Passive-matrix monochrome, 10 in	AST Research	1993[17]
325SLC	80386SL	25		Passive-matrix color, 9.5 in[18]	AST Research	1993[17]
425SL	80486SL	25	32	Passive-matrix monochrome, 10 in	AST Research	1993[17]
425SLC	80486SL	25	32	Active-matrix color, 9.5 in	AST Research	1993[19]
433SLC Premium	80486SL	33	32	Active-matrix color, 9.5 in	AST Research	January 1994[3][20]
425SE	80486SL	25	20	Passive-matrix monochrome, 9.5 in	AST Research	January 1994[3][21]
425SE Color	80486SL	25	20	Passive-matrix color, 9.5 in	AST Research	January 1994[3][21]
433SE	80486SL	33		Passive-matrix monochrome, 9.5 in	AST Research	April 1994[22]
433SE Color	80486SL	33		Passive-matrix color, 9.5 in	AST Research	April 1994[22]

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[23]
XL Server 560	Pentium	60	Full tower	9	EISA, PCI	7 (4 EISA, 2 PCI, 1 proprietary, dual-use network bus)	March 1994[23]
XL Server 566	Pentium	66	Full tower	9	EISA, PCI	7 (4 EISA, 2 PCI, 1 proprietary, dual-use network bus)	March 1994[23]

See also

• Digital HiNote, the successor to the DECpc line of laptops
• DECstation, concurrent line of workstations

References

1. Darrow, Barbara (May 27, 1991). "DEC Attempts to Crack PC Market". InfoWorld. 13 (21). IDG Publications: 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. 11 (19). Ziff-Davis: 62 – via Google Books.
3. Quinlan, Tom (January 17, 1994). "Digital systems target desktop publishing". InfoWorld. 16 (3). IDG Publications: 29 – via Google Books.
4. "DECpc Advertisement". The Straits Times. 27 April 1992. Retrieved 28 January 2024.
5. "DEC makes its own". The Canberra Times. 13 April 1992. Retrieved 28 January 2024.
6. Stedman, Craig (August 30, 1993). "DEC PC push to take low-cost turn". Computerworld. 27 (35). CW Communications: 16 – via Google Books.
7. Rist, Oliver (December 7, 1993). "DECpc LPv". PC Magazine. 12 (21). Ziff-Davis: 200 – via Google Books.
8. Rist, Oliver (December 7, 1993). "DECpc LPx". PC Magazine. 12 (21). Ziff-Davis: 200 – via Google Books.
9. Rist, Oliver (December 7, 1993). "DECpc MTE". PC Magazine. 12 (21). Ziff-Davis: 200 – via Google Books.
10. Rist, Oliver (December 7, 1993). "DECpc ST". PC Magazine. 12 (21). Ziff-Davis: 202 – via Google Books.
11. Service Maintenance Manual: DECpc LPv/LPv+ PC (PDF). Digital Equipment Corporation. January 1996. p. 9.
12. DiCarlo, Lisa (May 23, 1994). "DEC unveils 6 PCs, upgrades others". PC Week. 11 (20). Ziff-Davis: 29 – via Gale OneFile.
13. Fisher, Susan E. (February 3, 1992). "DEC to offer direct-market notebook PC". PC Week. 9 (5). Ziff-Davis: 14 – via Gale OneFile.
14. Garretson, Rob (June 1992). "A Notebook to Notice". PC World. 10 (6). IDG Publications: 66 – via Gale OneFile.
15. Anothony, Robert; Julie Cohen (December 22, 1992). "DECpc 325P, GRiD 1660, GRiD 1755 486SLC". PC Magazine. 11 (22). Ziff-Davis: 222–223 – via Google Books.
16. Wilson, Jayne (November 9, 1992). "Notebook from DEC is a battery miser". InfoWorld. 14 (45). IDG Publications: 40 – via Google Books.
17. 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.
18. Nash, Siobhan, ed. (March 22, 1993). "Color notebooks". InfoWorld. 15 (12). IDG Publications: 72–83 – via Google Books.
19. Potter, Steve (December 21, 1993). "DECpc 425SLC". PC Magazine. 12 (22). Ziff-Davis: 239–241 – via Google Books.
20. Flanagan, William P. (August 1994). "DECpc 433SLC Premium". PC Magazine. 13 (14). Ziff-Davis: 189, 203 – via Google Books.
21. Wynblatt, Jodi L. (August 1994). "DECpc SE, DECpc SE Color". PC Magazine. 13 (14). Ziff-Davis: 188, 203 – via Google Books.
22. 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.
23. Burns, Christine (March 14, 1994). "Digital and HP roll out servers". Network World. 11 (11). IDG Publications: 8 – via Google Books.