{"id":1832,"date":"2016-01-10T18:22:34","date_gmt":"2016-01-10T17:22:34","guid":{"rendered":"http:\/\/www.untergeek.de\/?p=1832"},"modified":"2020-04-09T07:11:56","modified_gmt":"2020-04-09T06:11:56","slug":"resetting-a-matrix-1000-with-a-new-battery","status":"publish","type":"post","link":"https:\/\/www.untergeek.de\/de\/2016\/01\/resetting-a-matrix-1000-with-a-new-battery\/","title":{"rendered":"Resetting a Matrix-1000 with a new battery"},"content":{"rendered":"<div class=\"shariff\" data-title=\"Resetting a Matrix-1000 with a new battery\" data-info-url=\"http:\/\/ct.de\/-2467514\" data-backend-url=\"https:\/\/www.untergeek.de\/wp-content\/plugins\/shariff-sharing\/backend\/index.php\" data-temp=\"\/tmp\" data-ttl=\"60\" data-service=\"gftr\" data-services='[\"googleplus\",\"facebook\",\"twitter\",\"reddit\",\"info\"]' data-image=\"\" data-url=\"https:\/\/www.untergeek.de\/de\/2016\/01\/resetting-a-matrix-1000-with-a-new-battery\/\" data-lang=\"de\" data-theme=\"colored\" data-orientation=\"horizontal\"><\/div><p><em><strong>03-2020: Two important updates: There is a much simpler way to reset the memory in the Matrix &#8211; just hold the ENTER key while switching it on. You may have to repeat that a couple of times to get a stuck Matrix unstuck. And if you consider changing the battery yourself, <a href=\"http:\/\/www.untergeek.de\/2020\/03\/howto-replace-the-battery-in-an-oberheim-matrix-1000\/\">you can find a step-by-step description with video here<\/a>. <\/strong><\/em><\/p>\n<p>Happy days! Bob Grieb just sent the newest iteration <a href=\"http:\/\/tauntek.com\/Matrix1000Firmware.htm\">of his brilliant firmware rewrite for the Oberheim Matrix-1000<\/a> for testing &#8211; a firmware that breathes new life into the old 8-bit hardware by optimising critical routines for a couple of crucial parameters. Smooth real-time control, very musical; in my opinion, even better than <a href=\"http:\/\/gliglisynth.blogspot.fr\/2014\/11\/matrix-1000-rom-only-upgrade-v116.html\" target=\"_blank\" rel=\"noopener noreferrer\">GliGli&#8217;s great v1.16 hack<\/a> &#8211; <a href=\"https:\/\/www.gearslutz.com\/board\/electronic-music-instruments-electronic-music-production\/824760-oberheim-matrix-1000-firmware-hacks-17.html#post11536959\">I&#8217;ve described the differences in this Gearslutz post<\/a> &#8211;\u00a0 and, in the last couple of iterations, displaying the value of edited parameters.<\/p>\n<p><iframe loading=\"lazy\" title=\"Oberheim Matrix-1000 displaying real-time parameter changes\" width=\"584\" height=\"329\" src=\"https:\/\/www.youtube.com\/embed\/R4LAqvKkmUk?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p><em>(I used <a href=\"http:\/\/modstep.net\/\" target=\"_blank\" rel=\"noopener noreferrer\">Modstep<\/a> as a drum machine\/sequencer on the iPad, and <a href=\"http:\/\/www.untergeek.de\/2014\/04\/matrix-modulation-control-included-ipad-editor-for-the-oberheim-matrix-61000\/\">my Matrix-1000 control panel for TB Midi Stuff<\/a> &#8211; <a href=\"http:\/\/www.untergeek.de\/2015\/06\/there-is-a-true-oberheim-matrix-editor-for-ipad-now-and-yes-its-worth-buying-it\/\">other than the new iPad editor<\/a>, it does produce smooth parameter sweeps.)<\/em><\/p>\n<p>Well, to change the firmware, you have to open the Matrix and exchange the firmware EPROM for a new one, and doing that, I&#8217;ve noticed that this machine was still equipped with its original battery. By lucky chance, I am the proud owner of two Matrixes, and the battery in this one has been doing fine &#8211; what kind of super battery did they use in these days, has been in service ever since 1989, and still producing fine 3.0 Volts of power &#8211; but I decided to exchange it anyway for a new CR-2032.<\/p>\n<p>As you might know, the battery in the Matrix-1000 is soldered in with most machines, as it was customary with most synths from these days. I guess they never thought that they were building for the anoraks of the future. No problem, I came across battery holders with the same 20.5mm raster used in the Matrix &#8211; so no need for drilling, just a simple solder-and-replace job. While soldering, I bridged the backup battery voltage with an external power supply, and I even thought of desoldering the GND terminal first &#8211; the rationale behind this being that soldering pens are earthed, so by soldering the positive terminal first you might short out the battery. (Actually bollocks, but I did it anyway.) So I saved my precious memory settings while soldering in the battery holder.<\/p>\n<p>Only to slide in the new battery the wrong way round.<\/p>\n<p>You might not have realised &#8211; well, I never do &#8211; but the pad connector of a CR2032 is actually the GND terminal, and the housing is Vcc. And is labeled with a clearly visible &#8222;+&#8220; sign. Well, I put the battery in the wrong way round anyway, thereby effectively losing all my patch and memory settings.<\/p>\n<div id=\"attachment_1834\" style=\"width: 546px\"  class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1834 size-large\" src=\"http:\/\/www.untergeek.de\/wp-content\/uploads\/2016\/01\/Foto-10.01.16-16-43-46-536x400.jpg\" alt=\"Foto 10.01.16, 16 43 46\" width=\"536\" height=\"400\" srcset=\"https:\/\/www.untergeek.de\/wp-content\/uploads\/2016\/01\/Foto-10.01.16-16-43-46-536x400.jpg 536w, https:\/\/www.untergeek.de\/wp-content\/uploads\/2016\/01\/Foto-10.01.16-16-43-46-200x150.jpg 200w, https:\/\/www.untergeek.de\/wp-content\/uploads\/2016\/01\/Foto-10.01.16-16-43-46-768x574.jpg 768w, https:\/\/www.untergeek.de\/wp-content\/uploads\/2016\/01\/Foto-10.01.16-16-43-46-402x300.jpg 402w\" sizes=\"auto, (max-width: 536px) 100vw, 536px\" \/><p class=\"wp-caption-text\">The battery in its new holder, now in the correct position: the plus terminal facing upwards<\/p><\/div>\n<p>This is, of course, no big deal. I keep moving sound banks between my two Matrixes anyway, so I have pretty recent Sysex backups. Unfortunately, the unbuffered RAM chip lost just enough memory to put the machine into an undefined state &#8211; it would no longer boot beyond the init routine displaying the firmware version.<\/p>\n<h2>So: How do you factory-reset a Matrix-1000 synth?<\/h2>\n<p>I ran into this problem before <a href=\"http:\/\/www.untergeek.de\/2014\/09\/matrix-1000-brain-surgery\/\">when I equipped my other Matrix with a new CPU<\/a> &#8211; as you can imagine, this gave me some really bad moments. But factory-resetting an M-1000 is simple:<\/p>\n<ul>\n<li>Switch off the the M-1000, disconnect it from mains, open it.<\/li>\n<li>Disconnect the battery. Leave it disconnected.<\/li>\n<li>Switch the M-1000 on, draining its buffer capacitors. Leave it for a couple of seconds &#8211; the completely powerless RAM should be all FF&#8217;s now.<\/li>\n<li>Connect the M-1000 to mains, and switch it on. It should start now.<\/li>\n<li>Do a calibration run, just to be sure. (Navigate to Ext. Funct., select 7, Enter, select 2, Enter.)<\/li>\n<li>Reconnect the battery.<\/li>\n<\/ul>\n<p>Done. Now you may switch off the Matrix, or supply it with fresh patch data.<\/p>\n<p><a href=\"http:\/\/www.untergeek.de\/wp-content\/uploads\/2016\/01\/Foto-10.01.16-16-44-19.jpg\" rel=\"attachment wp-att-1839\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-thumbnail wp-image-1839\" src=\"http:\/\/www.untergeek.de\/wp-content\/uploads\/2016\/01\/Foto-10.01.16-16-44-19-150x150.jpg\" alt=\"Foto 10.01.16, 16 44 19\" width=\"150\" height=\"150\" \/><\/a>In case you may have wondered, there is a very simple and effective way to disconnect\/reconnect the battery in a running machine: push a strip of paper between the battery and the battery holder&#8217;s terminal. Remove it to reconnect.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>03-2020: Two important updates: There is a much simpler way to reset the memory in the Matrix &#8211; just hold the ENTER key while switching it on. You may have to repeat that a couple of times to get a &hellip; <a href=\"https:\/\/www.untergeek.de\/de\/2016\/01\/resetting-a-matrix-1000-with-a-new-battery\/\">Weiterlesen <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"iawp_total_views":438,"footnotes":""},"categories":[9,353,40],"tags":[539,540,402,474,473,538],"class_list":["post-1832","post","type-post","status-publish","format-standard","hentry","category-maschinelles","category-musik","category-modding-maschinelles-4","tag-battery","tag-factory-reset","tag-firmware","tag-matrix-1000","tag-oberheim","tag-real-time-control"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Resetting a Matrix-1000 with a new battery<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.untergeek.de\/de\/2016\/01\/resetting-a-matrix-1000-with-a-new-battery\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:locale:alternate\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Resetting a Matrix-1000 with a new battery\" \/>\n<meta property=\"og:description\" content=\"03-2020: Two important updates: There is a much simpler way to reset the memory in the Matrix &#8211; just hold the ENTER key while switching it on. 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