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DEC: Flip Chip - Inverter R107
Circuit board with small handle.
'Inverter R107C' and '7 - 66' marked on board; 'R107' marked on handle.
'Digital Equipment Corporation Maynard Massachusetts' marked on insertion handle edge.
'Inverter R107C' and '7 - 66' marked on board; 'R107' marked on handle.
'Digital Equipment Corporation Maynard Massachusetts' marked on insertion handle edge.
DEC: wired core memory 32K stack board
Large circuit board with additional board attached (screws removed, hinge attached).
Has 6 back plane connectors, two locking insertion handles, and 4 ribbon cable connectors.
Board marked 'Side 2 32K Stack Board' and '5011643B' and…
Has 6 back plane connectors, two locking insertion handles, and 4 ribbon cable connectors.
Board marked 'Side 2 32K Stack Board' and '5011643B' and…
DEC: System Building Block - Flip Flop
System Building Block in enclosure. Flip-Flop 3201 marked on front; number stamped '15863' front top, label applied to front marked 'C'.
'Digital Equipment Corporation Maynard Massachusetts' marked on back.
'Digital Equipment Corporation Maynard Massachusetts' marked on back.
DEC: System Building Block - Flip Flop
System Building Block in enclosure
Flip-Flop 3201 marked on front
circuit board marked FF 3201-J Pat. Pend.
'Digital Equipment Corporation Maynard Massachusetts' marked on back.
Flip-Flop 3201 marked on front
circuit board marked FF 3201-J Pat. Pend.
'Digital Equipment Corporation Maynard Massachusetts' marked on back.
DEC: serial bus port module circuit board M7127
Large circuit board with 4 plastic insertion handles, one marked 'M7127'. 4 back plane connectors.
Edge of board marked with side designations (Side 1 and Side 2), with additional markings including: 'Serial Bus Port Module' and 'M7127', along…
Edge of board marked with side designations (Side 1 and Side 2), with additional markings including: 'Serial Bus Port Module' and 'M7127', along…
DEC: Power supply board, in original box
Power supply board, in original box; appears unused.
Box marked '9905439 Rev B 11/80'.
Board marked: '50007271-P2 Side 2'.
Very large capacitors and other components attached.
Box marked '9905439 Rev B 11/80'.
Board marked: '50007271-P2 Side 2'.
Very large capacitors and other components attached.
DEC: LPWR circuit board, modified as wall clock
Large circuit board modified to be a wall clock (cut out and modified with addition of a small quartz clock movement).
Board marked 'LPWR' and 'GS-2' and 'digital' logo, along with other various designations.
4 back plane connectors and two locking…
Board marked 'LPWR' and 'GS-2' and 'digital' logo, along with other various designations.
4 back plane connectors and two locking…
DEC: circuit board with prototype chips and EPROM extension
Circuit board with EPROM chip insertion extension at end.
Two chips center-marked with 'PROTO'.
End of board marked with '50-21531-01 A1' and 'OCt-10 94V-0' and '29591'.
extensive modification to circuitry has been performed in the form of added…
Two chips center-marked with 'PROTO'.
End of board marked with '50-21531-01 A1' and 'OCt-10 94V-0' and '29591'.
extensive modification to circuitry has been performed in the form of added…
DEC: circuit board with prototype chips
Circuit board.
Two chips center-marked with 'PROTO'.
End of board marked with '50-21531-01 A1' and 'OCT-10 94V-0' and '29591'.
Extensive dust covering back from use.
Two chips center-marked with 'PROTO'.
End of board marked with '50-21531-01 A1' and 'OCT-10 94V-0' and '29591'.
Extensive dust covering back from use.
DEC PDP-8/e Computer
Digital Equipment Corporation
This is the processor for the PDP-8/e, a (relatively) low-cost minicomputer model that was introduced in 1970. (The PDP-8/e was sold with a tape drive, terminal, and cabinets that we do not have.)
The 12-bit CPU was built using DEC M-series Flip…
The 12-bit CPU was built using DEC M-series Flip…
DEC Memory Tester 1516
A black and white photo of DEC Memory Tester 1516. The first systems Digital made were memory test systems to check the core stacks that were the memories used at that time. The technology used in these test systems were later used to build memories…
DEC Keyboard LK201AA
Digital Equipment Corporation
The keyboard was introduced in 1982 to be used with the VT 220 terminal.
DEC FDDI PCI Controller
Digital Equipment Corporation
The circuit board is embedded in acrylic and used as a display.
FDDI stands for "Fiber Distributed Data Interface", a standard used in the early 1990s for data transmission in a local area network using optical fiber cables.
FDDI stands for "Fiber Distributed Data Interface", a standard used in the early 1990s for data transmission in a local area network using optical fiber cables.
DEC Family Tree
A map of the origin and development of Digital Equipment Corporation from 1957 through 1986. The DEC Tree is an article that was published in the magazine "Computerworld" on September 24, 1986.
