{"id":3749,"date":"2019-12-11T11:53:29","date_gmt":"2019-12-11T11:53:29","guid":{"rendered":"http:\/\/avitech.com.au\/?p=3749"},"modified":"2019-12-11T11:53:29","modified_gmt":"2019-12-11T11:53:29","slug":"freshly-scanned-manual-for-mdb-mlsi-cr11-card-reader-controller","status":"publish","type":"post","link":"https:\/\/avitech.com.au\/?p=3749","title":{"rendered":"Freshly scanned manual for MDB MLSI-CR11 Card Reader Controller"},"content":{"rendered":"

\"\"<\/a><\/p>\n

I came across a hardcopy manual for MDB’s MLSI-CR11, which is a QBUS Card Reader Controller.<\/p>\n

It appears to be similar in function to the DEC CR11 UNIBUS controllers (M8290\/M8291) except that it has a 50-pin I\/O header instead of 40 pins.<\/p>\n

Freshly scanned manual can be found here -> https:\/\/avitech.com.au\/?page_id=951<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

I came across a hardcopy manual for MDB’s MLSI-CR11, which is a QBUS Card Reader Controller. It appears to be similar in function to the DEC CR11 UNIBUS controllers (M8290\/M8291) except that it has a 50-pin I\/O header instead of 40 pins. Freshly scanned manual can be found here -> https:\/\/avitech.com.au\/?p..<\/p>\n

<\/div>\n

Read more<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[11],"tags":[],"class_list":["post-3749","post","type-post","status-publish","format-standard","hentry","category-pdp-11"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p7xTsk-Yt","jetpack-related-posts":[{"id":2858,"url":"https:\/\/avitech.com.au\/?p=2858","url_meta":{"origin":3749,"position":0},"title":"Recently scanned RQDX Field Service Tech Tips","author":"malcolm","date":"14-November-2017","format":false,"excerpt":"Going through some boxes of documentation, I found some rather obscure DEC \"Field Service Tech Tips\" (and DEC uNote #043) that relate to the RQDX controllers. uNote #043 is already online elsewhere, but I had not seen these Tech Tips before. The 4 documents that I have scanned are: DEC\u2026","rel":"","context":"In "DEC"","block_context":{"text":"DEC","link":"https:\/\/avitech.com.au\/?cat=2"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":252,"url":"https:\/\/avitech.com.au\/?p=252","url_meta":{"origin":3749,"position":1},"title":"VT220 current loop interface","author":"malcolm","date":"14-May-2016","format":false,"excerpt":"This post takes a brief look at the current loop connectors used by DEC. The main focus of this post is the cabling needed to connect a VT220 terminal to a computer (such as a PDP-11\/10) using the 20mA current loop interface. DEC's standard connector DEC used an 8-pin Mate-N-Lok\u2026","rel":"","context":"In "Current loop"","block_context":{"text":"Current loop","link":"https:\/\/avitech.com.au\/?cat=10"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/avitech.com.au\/wp-content\/uploads\/2016\/05\/conn-male-top.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/avitech.com.au\/wp-content\/uploads\/2016\/05\/conn-male-top.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/avitech.com.au\/wp-content\/uploads\/2016\/05\/conn-male-top.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/avitech.com.au\/wp-content\/uploads\/2016\/05\/conn-male-top.jpg?resize=700%2C400 2x, https:\/\/i0.wp.com\/avitech.com.au\/wp-content\/uploads\/2016\/05\/conn-male-top.jpg?resize=1050%2C600 3x"},"classes":[]},{"id":1413,"url":"https:\/\/avitech.com.au\/?p=1413","url_meta":{"origin":3749,"position":2},"title":"New neon indicator for DEC 871B Power Controller","author":"malcolm","date":"26-December-2016","format":false,"excerpt":"The 871B Power Controller is a single-phase 240VAC power controller found in some PDP-11 systems. It has 6 switched power sockets. One of my holiday projects was to replace the faulty neon indicator in this Power Controller. I have just posted a short webpage with some information about this repair,\u2026","rel":"","context":"In "DEC"","block_context":{"text":"DEC","link":"https:\/\/avitech.com.au\/?cat=2"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/avitech.com.au\/wp-content\/uploads\/2016\/12\/20161226_105815-Large-300x169.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":285,"url":"https:\/\/avitech.com.au\/?p=285","url_meta":{"origin":3749,"position":3},"title":"DECnet Level 2 routing","author":"malcolm","date":"3-May-2016","format":false,"excerpt":"I have a few VAX\/VMS DECnet machines with node addresses in Area 4. Their full DECnet node addresses are 4.200, 4.202, etc.\u00a0 When I connect a DECnet machine in Area 33 (full address 33.13) to the same Ethernet segment, each of the Area 4 machines can see each other over\u2026","rel":"","context":"In "DECnet"","block_context":{"text":"DECnet","link":"https:\/\/avitech.com.au\/?cat=3"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":605,"url":"https:\/\/avitech.com.au\/?p=605","url_meta":{"origin":3749,"position":4},"title":"Imaging DEC VAX\/VMS CDs","author":"malcolm","date":"10-June-2016","format":false,"excerpt":"I have some original VMS CDROMs. I was looking for a way to image these (for use with SIMH) and also a way to write ISO images back to blank CDs, to use on real hardware. This should be a fairly simple process using a modern Linux computer and the\u2026","rel":"","context":"In "VMS"","block_context":{"text":"VMS","link":"https:\/\/avitech.com.au\/?cat=5"},"img":{"alt_text":"vaxvms061cd","src":"https:\/\/i0.wp.com\/avitech.com.au\/wp-content\/uploads\/2016\/06\/vaxvms061cd-300x300.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":1285,"url":"https:\/\/avitech.com.au\/?p=1285","url_meta":{"origin":3749,"position":5},"title":"[Outdated post] Vintage computers for sale or swap","author":"malcolm","date":"13-October-2016","format":false,"excerpt":"15-May-2021: Note this is a very old post - most of the items below are no longer available. It's time to thin out my vintage computer collection a little. Below is a list of items currently available. My order of priority for finding new homes for this equipment is as\u2026","rel":"","context":"With 40 comments","block_context":{"text":"With 40 comments","link":"https:\/\/avitech.com.au\/?p=1285#comments"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/avitech.com.au\/wp-content\/uploads\/2016\/05\/factory-20151007-143900-Medium.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/avitech.com.au\/wp-content\/uploads\/2016\/05\/factory-20151007-143900-Medium.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/avitech.com.au\/wp-content\/uploads\/2016\/05\/factory-20151007-143900-Medium.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/avitech.com.au\/wp-content\/uploads\/2016\/05\/factory-20151007-143900-Medium.jpg?resize=700%2C400 2x, https:\/\/i0.wp.com\/avitech.com.au\/wp-content\/uploads\/2016\/05\/factory-20151007-143900-Medium.jpg?resize=1050%2C600 3x"},"classes":[]}],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/avitech.com.au\/index.php?rest_route=\/wp\/v2\/posts\/3749","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/avitech.com.au\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/avitech.com.au\/index.php?rest_route=\/wp\/v2\/types\/post"}],"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=3749"}],"version-history":[{"count":2,"href":"https:\/\/avitech.com.au\/index.php?rest_route=\/wp\/v2\/posts\/3749\/revisions"}],"predecessor-version":[{"id":3752,"href":"https:\/\/avitech.com.au\/index.php?rest_route=\/wp\/v2\/posts\/3749\/revisions\/3752"}],"wp:attachment":[{"href":"https:\/\/avitech.com.au\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3749"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/avitech.com.au\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3749"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/avitech.com.au\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3749"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}