20 Vintage DEC PDP - 11/70 Boards M8140 - M8144 M8133 - M8137, More
Item History & Price
Reference Number: Avaluer:1021208 | Country/Region of Manufacture: United States |
Brand: DEC |
Here are twenty vintage DEC circuit boards from an PDP 11/70 machine. They are:
M8131 data path (three of them)M8133 ROM controlM8134 Data and Unibus registersM8135 Trap and misc. control (two of them)M8136 Unibus and Console controlM8138 segmentation status registerM8139 segmentation status register (two of these)
M8140 segmentation and console controlM8141 mapping boxM8142 cache controlM8143 cache address memory (two of them)M8144 cache data memoryM8147... memory control
M8152 Address word count register (AWR) MassbusM8153 Massbus / Unibus control
All sold as found, untested.
M8131 data path (three of them)M8133 ROM controlM8134 Data and Unibus registersM8135 Trap and misc. control (two of them)M8136 Unibus and Console controlM8138 segmentation status registerM8139 segmentation status register (two of these)
M8140 segmentation and console controlM8141 mapping boxM8142 cache controlM8143 cache address memory (two of them)M8144 cache data memoryM8147... memory control
M8152 Address word count register (AWR) MassbusM8153 Massbus / Unibus control
All sold as found, untested.