{"id":2570,"date":"2017-09-05T13:18:49","date_gmt":"2017-09-05T13:18:49","guid":{"rendered":"http:\/\/avitech.com.au\/?page_id=2570"},"modified":"2017-09-05T14:20:13","modified_gmt":"2017-09-05T14:20:13","slug":"saturn-for-rsx-11","status":"publish","type":"page","link":"https:\/\/avitech.com.au\/?page_id=2570","title":{"rendered":"Saturn for RSX-11"},"content":{"rendered":"<p><a href=\"https:\/\/i0.wp.com\/avitech.com.au\/wp-content\/uploads\/2017\/09\/saturn-rsx-disk1-label.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2576\" data-permalink=\"https:\/\/avitech.com.au\/?attachment_id=2576\" data-orig-file=\"https:\/\/i0.wp.com\/avitech.com.au\/wp-content\/uploads\/2017\/09\/saturn-rsx-disk1-label.jpg?fit=895%2C295&amp;ssl=1\" data-orig-size=\"895,295\" data-comments-opened=\"1\" data-image-title=\"saturn-rsx-disk1-label\" data-image-description=\"&lt;p&gt;Neptune test metadata&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/avitech.com.au\/wp-content\/uploads\/2017\/09\/saturn-rsx-disk1-label.jpg?fit=895%2C295&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/avitech.com.au\/wp-content\/uploads\/2017\/09\/saturn-rsx-disk1-label.jpg?resize=300%2C99&#038;ssl=1\" alt=\"\" width=\"300\" height=\"99\" class=\"alignright size-medium wp-image-2576\" srcset=\"https:\/\/i0.wp.com\/avitech.com.au\/wp-content\/uploads\/2017\/09\/saturn-rsx-disk1-label.jpg?resize=300%2C99&amp;ssl=1 300w, https:\/\/i0.wp.com\/avitech.com.au\/wp-content\/uploads\/2017\/09\/saturn-rsx-disk1-label.jpg?resize=768%2C253&amp;ssl=1 768w, https:\/\/i0.wp.com\/avitech.com.au\/wp-content\/uploads\/2017\/09\/saturn-rsx-disk1-label.jpg?resize=150%2C49&amp;ssl=1 150w, https:\/\/i0.wp.com\/avitech.com.au\/wp-content\/uploads\/2017\/09\/saturn-rsx-disk1-label.jpg?w=895&amp;ssl=1 895w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>I found a set of 9 x RX50 disks that appear to be Saturn for RSX.<\/p>\n<p>I haven&#8217;t yet attempted to install Saturn on RSX, so I can&#8217;t verify whether this set is complete or error free.<\/p>\n<p>What I have done is image all 9 disks in an 80-track 5.25&#8243; floppy drive on an MSDOS PC using Dave Dunfield&#8217;s ImageDisk program.<\/p>\n<p>Here are some observations about my attempt to image these disks:<\/p>\n<ul>\n<li>All 9 disks are single-sided, double-density, 10-sectors-per-track, 512-byte-sectors, 250kbps-transition-rate, 1:1-interleave<\/li>\n<li>All disks except 6 and 9 imaged successfully on the first attempt<\/li>\n<li>Disk 6 (GRF2) repeatedly gave errors when attempting to read Cylinder 63, Sector 0. I was eventually able to get an error-free read of this disk. &#8220;grf2a.imd&#8221; is the error-free image that should be used (ignore grf2.imd)<\/li>\n<li>Disk 9 (CAL2) repeatedly gave an error reading Cylinder 0. After about 20 attempts on 3 different drives I gave up trying to get a good read. Cylinders 1-79 were imaged without error. But for some reason ImageDisk reports that Cylinder 0 has one 250kbps single-density sector of length 0 bytes and no other sectors on that Cylinder. Perhaps this is part of a copy-protection scheme?<\/li>\n<\/ul>\n<p>Here are the floppy disk labels, ImageDisk screen shots, and ImageDisk images for each of the 9 disks:<\/p>\n<ul>\n<li><a href=\"http:\/\/www.avitech.com.au\/mm-files\/saturn-rsx\/disk-images\/SAT1.IMD\" target=\"_blank\">sat1.imd<\/a> (Diskette #1): <a href=\"http:\/\/www.avitech.com.au\/mm-files\/saturn-rsx\/labels\/sat1-disk1-label.jpg\" target=\"_blank\">Diskette label<\/a> and <a href=\"http:\/\/www.avitech.com.au\/mm-files\/saturn-rsx\/results\/sat1-disk1-imd-screenshot.jpg\" target=\"_blank\">ImageDisk screen shot<\/a><\/li>\n<li><a href=\"http:\/\/www.avitech.com.au\/mm-files\/saturn-rsx\/disk-images\/WPS1.IMD\" target=\"_blank\">wps1.imd<\/a> (Diskette #2): <a href=\"http:\/\/www.avitech.com.au\/mm-files\/saturn-rsx\/labels\/wps1-disk2-label.jpg\" target=\"_blank\">Diskette label<\/a> and <a href=\"http:\/\/www.avitech.com.au\/mm-files\/saturn-rsx\/results\/wps1-disk2-imd-screenshot.jpg\" target=\"_blank\">ImageDisk screen shot<\/a><\/li>\n<li><a href=\"http:\/\/www.avitech.com.au\/mm-files\/saturn-rsx\/disk-images\/WPS2.IMD\" target=\"_blank\">wps2.imd<\/a> (Diskette #3): <a href=\"http:\/\/www.avitech.com.au\/mm-files\/saturn-rsx\/labels\/wps2-disk3-label.jpg\" target=\"_blank\">Diskette label<\/a> and <a href=\"http:\/\/www.avitech.com.au\/mm-files\/saturn-rsx\/results\/wps2-disk3-imd-screenshot.jpg\" target=\"_blank\">ImageDisk screen shot<\/a><\/li>\n<li><a href=\"http:\/\/www.avitech.com.au\/mm-files\/saturn-rsx\/disk-images\/WPS3.IMD\" target=\"_blank\">wps3.imd<\/a> (Diskette #4): <a href=\"http:\/\/www.avitech.com.au\/mm-files\/saturn-rsx\/labels\/wps3-disk4-label.jpg\" target=\"_blank\">Diskette label<\/a> and <a href=\"http:\/\/www.avitech.com.au\/mm-files\/saturn-rsx\/results\/wps3-disk4-imd-screenshot.jpg\" target=\"_blank\">ImageDisk screen shot<\/a><\/li>\n<li><a href=\"http:\/\/www.avitech.com.au\/mm-files\/saturn-rsx\/disk-images\/GRF1.IMD\" target=\"_blank\">grf1.imd<\/a> (Diskette #5): <a href=\"http:\/\/www.avitech.com.au\/mm-files\/saturn-rsx\/labels\/grf1-disk5-label.jpg\" target=\"_blank\">Diskette label<\/a> and <a href=\"http:\/\/www.avitech.com.au\/mm-files\/saturn-rsx\/results\/grf1-disk5-imd-screenshot.jpg\" target=\"_blank\">ImageDisk screen shot<\/a><\/li>\n<li><a href=\"http:\/\/www.avitech.com.au\/mm-files\/saturn-rsx\/disk-images\/GRF2A.IMD\" target=\"_blank\">grf2a.imd<\/a> (Diskette #6): <a href=\"http:\/\/www.avitech.com.au\/mm-files\/saturn-rsx\/labels\/grf2-disk6-label.jpg\" target=\"_blank\">Diskette label<\/a> and <a href=\"http:\/\/www.avitech.com.au\/mm-files\/saturn-rsx\/results\/grf2a-disk6-imd-screenshot.jpg\" target=\"_blank\">ImageDisk screen shot<\/a><\/li>\n<li><a href=\"http:\/\/www.avitech.com.au\/mm-files\/saturn-rsx\/disk-images\/GRF3.IMD\" target=\"_blank\">grf3.imd<\/a> (Diskette #7): <a href=\"http:\/\/www.avitech.com.au\/mm-files\/saturn-rsx\/labels\/grf3-disk7-label.jpg\" target=\"_blank\">Diskette label<\/a> and <a href=\"http:\/\/www.avitech.com.au\/mm-files\/saturn-rsx\/results\/grf3-disk7-imd-screenshot.jpg\" target=\"_blank\">ImageDisk screen shot<\/a><\/li>\n<li><a href=\"http:\/\/www.avitech.com.au\/mm-files\/saturn-rsx\/disk-images\/CAL1.IMD\" target=\"_blank\">cal1.imd<\/a> (Diskette #8): <a href=\"http:\/\/www.avitech.com.au\/mm-files\/saturn-rsx\/labels\/cal1-disk8-label.jpg\" target=\"_blank\">Diskette label<\/a> and <a href=\"http:\/\/www.avitech.com.au\/mm-files\/saturn-rsx\/results\/cal1-disk8-imd-screenshot.jpg\" target=\"_blank\">ImageDisk screen shot<\/a><\/li>\n<li><a href=\"http:\/\/www.avitech.com.au\/mm-files\/saturn-rsx\/disk-images\/CAL2.IMD\" target=\"_blank\">cal2.imd<\/a> (Diskette #9): <a href=\"http:\/\/www.avitech.com.au\/mm-files\/saturn-rsx\/labels\/cal2-disk9-label.jpg\" target=\"_blank\">Diskette label<\/a> and <a href=\"http:\/\/www.avitech.com.au\/mm-files\/saturn-rsx\/results\/cal2-disk9-imd-screenshot.jpg\" target=\"_blank\">ImageDisk screen shot<\/a><\/li>\n<\/ul>\n<p>The box of diskettes also included two other 5.25&#8243; disks, which I&#8217;ve not yet imaged (click on the links below to see an image of the disk labels):<\/p>\n<ul>\n<li><a href=\"http:\/\/www.avitech.com.au\/mm-files\/saturn-rsx\/labels\/xtra-disk1-label.jpg\" target=\"_blank\">Q-Chart for Xenix&#8217;s V1.4 3\/11\/87 4\/4 tar XVZ<\/a><\/li>\n<li><a href=\"http:\/\/www.avitech.com.au\/mm-files\/saturn-rsx\/labels\/xtra-disk2-label.jpg\" target=\"_blank\">Boot Disk Server Master<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>I found a set of 9 x RX50 disks that appear to be Saturn for RSX. I haven&#8217;t yet attempted to install Saturn on RSX, so I can&#8217;t verify whether this set is complete or error free. What I have done is image all 9 disks in an 80-track 5.25&#8243; floppy drive on an MSDOS ..<\/p>\n<div class=\"clear-fix\"><\/div>\n<p><a href=\"https:\/\/avitech.com.au\/?page_id=2570\" title=\"read more...\">Read more<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2570","page","type-page","status-publish","hentry"],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/P7xTsk-Fs","jetpack-related-posts":[{"id":690,"url":"https:\/\/avitech.com.au\/?page_id=690","url_meta":{"origin":2570,"position":0},"title":"Floppy Disk Imaging","author":"malcolm","date":"2-July-2016","format":false,"excerpt":"Floppy disks that are recorded in conventional \"FM\" or \"MFM\" format can often be imaged, and images can be written back to real floppy disks, using commonly available older-model PCs and peripherals. This applies to disks recorded in the original IBM 3740 \"FM\" (single-density) specification, and those recorded in the\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"DSC_3424 (Large)","src":"https:\/\/i0.wp.com\/avitech.com.au\/wp-content\/uploads\/2016\/07\/DSC_3424-Large-300x199.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":2887,"url":"https:\/\/avitech.com.au\/?page_id=2887","url_meta":{"origin":2570,"position":1},"title":"DEC Professional 300 Series","author":"malcolm","date":"4-January-2018","format":false,"excerpt":"This page relates to the DEC Professional 300 Series computers, such as the Pro 350 and Pro 380. Note: I am looking for a working copy of the CP\/M floppy disks to suit the Pro 300 Series. If you have a copy of this, or know where one can be\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\/2018\/01\/pos-3059-label-300x295.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":847,"url":"https:\/\/avitech.com.au\/?page_id=847","url_meta":{"origin":2570,"position":2},"title":"Dilog DQ419","author":"malcolm","date":"25-July-2016","format":false,"excerpt":"The Dilog DQ419, when coupled with one or two industry-standard 8-inch floppy drives, provides a PDP-11 QBUS system with an RX02-compatible floppy drive system. By \"industry-standard\" I mean a drive that is compatible with the 50-pin connector used on the Shugart 800\/850 8-inch drives. It is able to format, read\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"dq419-front","src":"https:\/\/i0.wp.com\/avitech.com.au\/wp-content\/uploads\/2016\/07\/dq419-front-300x176.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":796,"url":"https:\/\/avitech.com.au\/?page_id=796","url_meta":{"origin":2570,"position":3},"title":"RT-11 Logical Disks","author":"malcolm","date":"22-July-2016","format":false,"excerpt":"RT-11 has a flat directory structure. So all your files (operating system, applications, data etc) are stored in that one directory. On a large hard drive, you can literally end up with hundreds of files, all stored in the one directory. This of course can make it quite difficult to\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1068,"url":"https:\/\/avitech.com.au\/?page_id=1068","url_meta":{"origin":2570,"position":4},"title":"VAXmate Software","author":"malcolm","date":"8-August-2016","format":false,"excerpt":"I have 5 VAXmates and what appears to be a full set of manuals and software for them. Below are images of the VAXmate software, in ImageDisk format. Each of these disks are standard IBM-AT format (double sided, double density, 80 tracks\/side, 15 sectors\/track, 512 bytes\/sector, 360RPM). 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