User:Jnc

Although I have a wide interest in older computers, I worked with PDP-11's very extensively 'back in the day', and consider them perhaps the most elegant architecture ever devised (the power and flexibility they obtained with only 16-bit wide instructions were a revelation when new), so I have focused on them.

For more about me, see my home page.

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Pages I have added

• Virtual memory
• EIA RS-232 serial line interface
• FLIP CHIP
• DEC card form factor
• DEC alphabet
• PDP-10
  • KA10
  • KI10
  • KL10
• PDP-11 Memory Management
• FP11 floating point
• UNIBUS map
• Extended UNIBUS
• Small Peripheral Controller
• Modified UNIBUS Device
• UNIBUS H854 header pinout
• CD interconnect
• Private Memory Interconnect
• DEC asynchronous serial line pinout
• Upgrading QBUS backplanes
• KA11 CPU
• PDP-11/05
• PDP-11/83
• LSI-11
• F-11 chip set
• KDF11 CPUs
  • KDF11-U CPU
• KDJ11 CPUs
  • KDJ11-B CPU
  • KDJ11-E CPU
• KT11-B Paging Option
  • KA11 changes for the KT11-B
  • KT11-B Technical Manual
    • KT11-B Major State circutry
• KTJ11-B UNIBUS adapter
• FP11-B Floating-Point Processor
• FP11-C Floating-Point Processor
• KY11-LB Programmer's Console
• UNIBUS memories
  • MM11-L
  • MM11-U
• QBUS memories
  • CMV-[25]xx
  • CMV-[14]000
  • MK8022
  • NS23C
  • Q-RAM 11‎
• UNIBUS boot ROMs
  • BM792 ROM
  • BM873 ROM
  • M9301 ROM
• RK02
• TM11 magtape controller
  • TU16
  • TE16
• DL11 asynchronous serial line
• Installing UNIX Sixth Edition
  • Installing UNIX Sixth Edition on Ersatz-11
• Running an LSI-11 from Unix V6
• Installing UNIX Seventh Edition

Pages I have substantially upgraded

• PDP-10
• PDP-11 architecture
• UNIBUS
• QBUS
• PDP-11/04
• PDP-11/10
• PDP-11/24
• PDP-11/45
• PDP-11/70
• KDF11-A CPU
• KDF11-B CPU
• KDJ11-A CPU
• J-11 chip set
• RK11
• RK05
• TU10