PDP-11 - Wikipedia
WEBThe PDP–11 is a series of 16-bit minicomputers sold by Digital Equipment Corporation (DEC) from 1970 into the late 1990s, one of a set of products in the Programmed Data Processor (PDP) series. In total, around 600,000 PDP-11s of all models were sold, making it one of DEC's most successful product lines.
PDP-11 chassis and backplanes - Brouhaha
WEBApr 12, 2015 · PDP-11 chassis and backplanes. Unibus. Note that the H742/H7420 bulk power supply use up to five regulator assemblies (max four for the H7420-E and H7420-F) of various types, the H750 uses one regulator, and the H765 uses two regulators: Unibus Backplanes. Qbus. See Also. Pete Turnbull's Qbus chassis page.
An Entire PDP-11 On Your Bench - Hackaday
WEBAug 24, 2019 · The PDP-11/hack is a PDP-11 as a set of daughter cards on a lightly modified Q-bus backplane. The DCJ11 and its memory sit on one, an emulated disc controller on another, and finally a...
PDP-11/34 Restoration And The Virtue Of Persistence
WEBMar 29, 2022 · [Jerry] has gone to exhaustive lengths to restore his PDP-11/34 to working condition, painstakingly troubleshooting wire-wrapped backplane and replacing suspect ICs across the entire system.
PDP-11 System Tour: Overview, Processor, and Backplane
WEBA walkthrough of a PDP-11/34A system, with a focus on the CPU cabinet and its backplane. The topology of the UNIBUS and its peripheral cards is discussed, a...
A PDP 11 By Any Other Name: Heathkit H11 Teardown And Repair
WEBNov 23, 2021 · We miss the days that your computer broke down into multiple boards plugged into a backplane. Even though the computer is a Heathkit, the CPU board came from DEC assembled.
Dealing with Backplanes - retrocmp.com
WEBBackplanes are either of generic type, with a max of 9 quad and hex SPC (Small Peripheral Connector) slots, or they come prewired for older device controllers, which consist of many logic cards, or a mix of both. As example see an empty 4-slot backplane and a DV11 Communication Multiplexer, occupying a 9-slot backplane:
PDP-11/05 - Computer History Wiki - Gunkies
WEBBackplane versions. The PDP-11/05 and /10 came in three versions, with four different versions of the main backplane (the 9-slot system unit holding the two CPU cards). All have two single-height slot sections for the KM11 card, plugged in to debug the CPU; each slot is numbered with the correct KD11-B KM11 overlay for a KM11 in that slot. (The ...
What Have We Learned from the PDP-11? - Dave Cheney
WEBDec 4, 2017 · Character handling. A fifth weakness of prior minicomputers, inadequate character-handling capability, was met in the PDP-11 by providing direct byte addressing capability. Strings and character handling were of increasing importance during the 1960’s as scientific and business computing converged.
PDP-11 Projects Page - ClassicCMP
WEBIn the fall of 2018, I was able to buy a PDP-11/23 case (BA11-N) with the 18-bit H9273-A backplane for a reasonable price. Then I filled in with an M8045 MSV11 64k RAM board and an M8043
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