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\n\t\t<\/div>\n\n","protected":false},"excerpt":{"rendered":"These are my rough notes regarding the DEC BA23 chassis. The BA23 houses the H9278A backplane. On the back of the H9278A there is a BA23-A breakout board for RQDXn-series controllers. I’ve not been able to locate any schematics for the BA23 enclosure. The following manuals have useful information about the BA23 breakout board (and ..<\/p>\n
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Factory 71, 22 Dunn Crescent, Dandenong Here's a partial list of what will be available (this list will be updated on Friday): The Free Pile DEC Networking\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":2060,"url":"https:\/\/avitech.com.au\/?page_id=2060","url_meta":{"origin":2393,"position":1},"title":"MFM Hard Drives","author":"malcolm","date":"8-June-2017","format":false,"excerpt":"This page is a collection of notes regarding MFM hard drives. Drive-Select Jumper Settings When using an MFM drive on my RQDX Breakout Board, install link DS1 on the MFM drive. When using an MFM drive in a DEC BA23 chassis, install link DS3 on the MFM drive (if you\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1657,"url":"https:\/\/avitech.com.au\/?page_id=1657","url_meta":{"origin":2393,"position":2},"title":"QBUS Front Panel Project","author":"malcolm","date":"31-January-2017","format":false,"excerpt":"This project is an Arudino-based front panel for a bare QBUS PDP-11 chassis. It provides the switch and indicator functionality typically found on an early QBUS PDP-11 chassis (such as a BA11-MF or BA11-NC) and does the following: Switches an ATX power supply on and off, to power the PDP-11\u2026","rel":"","context":"With 5 comments","block_context":{"text":"With 5 comments","link":"https:\/\/avitech.com.au\/?page_id=1657#comments"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/avitech.com.au\/wp-content\/uploads\/2017\/01\/20170712_111817-Medium.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/avitech.com.au\/wp-content\/uploads\/2017\/01\/20170712_111817-Medium.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/avitech.com.au\/wp-content\/uploads\/2017\/01\/20170712_111817-Medium.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/avitech.com.au\/wp-content\/uploads\/2017\/01\/20170712_111817-Medium.jpg?resize=700%2C400 2x"},"classes":[]},{"id":645,"url":"https:\/\/avitech.com.au\/?page_id=645","url_meta":{"origin":2393,"position":3},"title":"RQDX Breakout Board","author":"malcolm","date":"28-June-2016","format":false,"excerpt":"Quick Links Feel free to click on one of the links in this section to jump to the material you are looking for: Introduction \u00a0 Quickstart Guide \u00a0 Floppy Drives \u00a0 Hard Drives \u00a0 Miscellaneous \u00a0 Downloads \u00a0 Table of Contents \u00a0 Contact Details Introduction DEC made a series of\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"rqdx3-cropped","src":"https:\/\/i0.wp.com\/avitech.com.au\/wp-content\/uploads\/2016\/06\/rqdx3-cropped-300x175.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":903,"url":"https:\/\/avitech.com.au\/?page_id=903","url_meta":{"origin":2393,"position":4},"title":"PDP-11\/34 decdatasystem","author":"malcolm","date":"25-July-2016","format":false,"excerpt":"In my collection I have a blue-and-white \"decdatasystem\" consisting of a TU10W drive and an RK07 drive. I decided to investigate these a little further last weekend, and unexpectedly found that below the TU10W is an entire PDP-11\/34 chassis with programmers panel and interfaces for the TU10W and RK07. Here\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/avitech.com.au\/wp-content\/uploads\/2016\/07\/decdatasystem-front-1.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/avitech.com.au\/wp-content\/uploads\/2016\/07\/decdatasystem-front-1.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/avitech.com.au\/wp-content\/uploads\/2016\/07\/decdatasystem-front-1.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/avitech.com.au\/wp-content\/uploads\/2016\/07\/decdatasystem-front-1.jpg?resize=700%2C400 2x"},"classes":[]},{"id":1664,"url":"https:\/\/avitech.com.au\/?page_id=1664","url_meta":{"origin":2393,"position":5},"title":"QBUS Notes","author":"malcolm","date":"1-February-2017","format":false,"excerpt":"This page captures my rough working notes regarding QBUS systems. You probably won't find anything greatly useful here. It is mainly a place for me to records things that I seem to continually forget the details of! BA11-NC Chassis This is a 9 row 18-bit ABCD chassis. So dual-height cards\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"_links":{"self":[{"href":"https:\/\/avitech.com.au\/index.php?rest_route=\/wp\/v2\/pages\/2393","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/avitech.com.au\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/avitech.com.au\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/avitech.com.au\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/avitech.com.au\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2393"}],"version-history":[{"count":3,"href":"https:\/\/avitech.com.au\/index.php?rest_route=\/wp\/v2\/pages\/2393\/revisions"}],"predecessor-version":[{"id":2398,"href":"https:\/\/avitech.com.au\/index.php?rest_route=\/wp\/v2\/pages\/2393\/revisions\/2398"}],"wp:attachment":[{"href":"https:\/\/avitech.com.au\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2393"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
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