{"id":286,"date":"2023-03-11T03:42:53","date_gmt":"2023-03-11T11:42:53","guid":{"rendered":"https:\/\/www.shadowfly.top\/?p=286"},"modified":"2023-03-11T04:52:15","modified_gmt":"2023-03-11T12:52:15","slug":"pi400-%e7%94%b5%e6%ba%90%e6%8c%87%e7%a4%ba%e7%81%af%e9%97%aa%e7%83%81-sdram-failure-%e6%ad%bb%e6%9c%ba%e9%bb%91%e5%b1%8f%e6%83%85%e5%86%b5%e7%9a%84%e5%a4%84%e7%90%86","status":"publish","type":"post","link":"https:\/\/www.shadowfly.top\/?p=286","title":{"rendered":"Pi400 \u7535\u6e90\u6307\u793a\u706f\u95ea\u70c1\/SDRAM failure\/\u6b7b\u673a\u9ed1\u5c4f\u60c5\u51b5\u7684\u5904\u7406"},"content":{"rendered":"

Pi400 \u7535\u6e90\u6307\u793a\u706f\u95ea\u70c1\/SDRAM failure\/\u6b7b\u673a\u9ed1\u5c4f\u60c5\u51b5\u7684\u5904\u7406<\/h1>\n

\u80cc\u666f<\/h2>\n

\u6700\u8fd1Pi400\u51fa\u73b0\u4e0d\u7a33\u5b9a\u60c5\u51b5\uff0c\u6709\u65f6\u5019\u51fa\u73b0\u7535\u6e90\u6307\u793a\u706f\u95ea8\u6b21\uff0c\u6709\u7684\u65f6\u5019\u51fa\u73b0\u6b7b\u673a\/\u82b1\u5c4f\u60c5\u51b5\uff0c\u67e5\u8be2\u4e86Raspberry\u7f51\u7ad9\uff0c\u53d1\u73b0\u8fd9\u4e2a8\u6b21\u95ea\u70c1\u5b9a\u4e49\u4e3aSDRAM\u6545\u969c\uff0c\u81f3\u4e8e\u82b1\u5c4f\/\u6b7b\u673a\u60c5\u51b5\u6ca1\u6709\u76f8\u5173\u4fe1\u606f\uff0c\u5c1d\u8bd5\u8fc7\u66f4\u6362SD\u5361\uff0c\u867d\u7136\u6709\u6548\uff0c\u4f46\u662f\u5f85\u673a\u65f6\u95f4\u957f\u4e86\u53c8\u4f1a\u51fa\u73b0\u6b64\u7c7b\u73b0\u8c61\uff0c\u5c1d\u8bd5\u4e86rpi-update(\u66f4\u65b0kernel\u548cVideoCore firmware)\uff0c\u4e0d\u8fc7\u4e0d\u4f46\u60c5\u51b5\u6ca1\u6539\u5584\uff0c\u53cd\u800c\u66f4\u9891\u7e41\u4e86\uff0c\u5f53\u65f6\u8003\u8651\u662f\u5426\u9700\u8981\u7ef4\u4fee\u4e86\uff0c\u53ef\u662f\u8fc7\u4fdd\u4e86\uff0c\u800c\u4e14\u8fd9\u673a\u5668\u4e5f\u7528\u4e86\u4e00\u6bb5\u65f6\u95f4\uff0c\u6700\u8fd1\u624d\u6709\u6b64\u60c5\u51b5\uff0c\u8003\u8651\u5230\u7cfb\u7edf\u4e00\u76f4\u662f64\u4f4d\u7684\uff0c\u662f\u5426\u662f\u7cfb\u7edf\u4e0d\u7a33\u5b9a\u9020\u6210\u7684\uff0c\u66f4\u6362\u4e8632\u4f4d\u7cfb\u7edf\u540e\uff0c\u53ef\u4ee5\u542f\u52a8\u4e86\uff0c\u4e0d\u8fc7\u6b64\u7c7b\u60c5\u51b5\u5e76\u6ca1\u6709\u6d88\u5931\u3002\u5fc3\u4e2d\u5fd0\u5fd1\uff0c\u4e2a\u4eba\u89c9\u5f97\u8fd9\u79cd\u60c5\u51b5\u6709\u4e24\u4e2a\u53ef\u80fd\uff1a<\/p>\n

    \n
  1. CPU\u865a\u710a\u8ddfSDRAM\u4ea4\u4e92\u51fa\u73b0\u4e86\u95ee\u9898 – \u53ef\u4ee5\u5c1d\u8bd5\u62c6\u5f00\uff0c\u7528\u70ed\u98ce\u67aa\u52a0\u52a9\u710a\u5242\u5c1d\u8bd5\u590d\u4f4d\uff0c\u4e0d\u8fc7\u8fd9\u4e2a\u65b9\u6cd5\u6210\u529f\u7684\u6982\u7387\u5f88\u4f4e\uff0c\u5e95\u4e0b\u7684pad\u53ef\u80fd\u5df2\u7ecf\u6c27\u5316\u4e86\u3002<\/li>\n
  2. \u5e95\u5c42\u786c\u4ef6\u8ddf\u7cfb\u7edf\u51fa\u73b0\u4e86\u517c\u5bb9\u95ee\u9898 – \u53ef\u4ee5\u5c1d\u8bd5\u66f4\u65b0\u56fa\u4ef6\uff0c\u4f46\u662fPi400\u6709\u561b\uff0c\u4f60\u522b\u8bf4\u8fd8\u771f\u6709\u81ea\u52a8\u66f4\u65b0\u7684\u5de5\u5177\uff0c\u6211\u5c31\u662f\u9760\u8fd9\u4e2a\u6682\u65f6\u7f13\u89e3\u4e86\u8fd9\u4e2a\u95ee\u9898\uff0c\u5982\u679c\u6062\u590d\u5230\u4ee5\u524d\u7684\u60c5\u51b5\uff0c\u53ef\u80fd\u771f\u4fee\u590d\u4e86\u3002<\/li>\n<\/ol>\n

    \u901a\u8fc7\u4e0a\u9762\u5bf9\u51e0\u4e2a\u53ef\u80fd\u6027\u7684\u89e3\u91ca\uff0c\u6211\u4ecb\u7ecd\u4e00\u4e0b\u5982\u679c\u901a\u8fc7\u66f4\u65b0\u56fa\u4ef6\u65b9\u6cd5\uff1b\u5982\u679c\u4f60\u5728\u4f7f\u7528Raspberry Pi Diagnostics\u5bf9SD\u5361\u8fdb\u884c\u6d4b\u8bd5Failed\uff0c\u5c31\u4e5f\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u89e3\u51b3\uff0c\u524d\u63d0\u662fSD\u5361\u662f\u6ca1\u95ee\u9898\u7684\u60c5\u51b5\u4e0b\u5566\u3002<\/p>\n

    \u66f4\u65b0Pi400\u56fa\u4ef6<\/h2>\n
      \n
    1. \u901a\u8fc7Raspberry Pi Imager\u5de5\u5177\u66f4\u65b0bootloader eeprom
      \na. \u6253\u5f00Raspberry Pi Imager\uff0c\u9009\u62e9\u64cd\u4f5c\u7cfb\u7edf->Misc utility image->bootloader->SD Card Boot
      \nb. \u9009\u62e9SD\u5361\uff0c\u8fd9\u91cc\u4f7f\u7528\u4e00\u4e2a\u7a7a\u5361\u4f5c\u4e3a\u66f4\u65b0bootloader\u7684\u5361
      \nc. \u70b9\u51fb\u70e7\u5f55
      \nd. \u70e7\u5f55\u5b8c\u6210\u540e\uff0c\u5c06SD\u5361\u63d2\u5165\u8bbe\u5907\u5f00\u673a\uff0c\u6b64\u65f6\u6307\u793a\u706f\u4f1a\u8fde\u7eed\u95ea\u70c1\uff0c\u5e76\u4e0d\u4f1a\u505c\u987f\uff0c\u5c4f\u5e55\u5982\u679c\u51fa\u73b0\u4e86\u7eff\u8272\uff0c\u5c31\u8868\u793a\u66f4\u65b0bootloader\u5b8c\u6210\u4e86
      \ne. \u66f4\u6362\u56de\u539f\u6765\u7684SD\u542f\u52a8\u7cfb\u7edf
      \ne. \u6267\u884csudo rpi-update,\u66f4\u65b0kernel\u548cVideoCore firmware<\/p>\n
      #\u5df2\u7ecf\u66f4\u65b0\u5b8c\u4e86\uff0c\u8fd9\u91cc\u53ea\u662f\u505a\u6f14\u793a\n$ sudo rpi-update \n*** Raspberry Pi firmware updater by Hexxeh, enhanced by AndrewS and Dom\n*** Performing self-update\n*** Relaunching after update\n*** Raspberry Pi firmware updater by Hexxeh, enhanced by AndrewS and Dom\nFW_REV:7d6d960523325b4c52804183f4b56e0bb9297102\n*** Your firmware is already up to date (delete \/boot\/.firmware_revision to force an update anyway)<\/code><\/pre>\n
      f. \u5b8c\u6210\u540e\u4f1a\u63d0\u793a\u91cd\u542f
      \ng. \u89c2\u5bdf\u7cfb\u7edf\u662f\u5426\u5df2\u7ecf\u7a33\u5b9a\u4e86<\/p>\n<\/li>\n
    2. \n
      \u901a\u8fc7rpi-eeprom-update\u66f4\u65b0eeprom
      \na. \u6267\u884csudo rpi-eeprom-update\uff0c\u5982\u679c\u4e0b\u9762\u7684bootloader\u548cVL805\uff08\u5e94\u8be5\u662fUSB HUB\u63a7\u5236\u82af\u7247\uff09\uff0c\u90fd\u662fup-to-date\u7684\u72b6\u6001\uff0c\u90a3\u4e48\u53ef\u80fd\u771f\u662f\u574f\u4e86\uff0c\u5982\u679c\u4e0d\u662f\uff0c\u90a3\u4e48\u662f\u6709\u53ef\u80fd\u7684\uff0c\u56e0\u4e3a\u7cfb\u7edf\u4f1a\u7ecf\u5e38\u66f4\u65b0\uff0c\u51fa\u73b0\u4e0d\u517c\u5bb9\u7684\u60c5\u51b5\u4e5f\u662f\u5f88\u81ea\u7136\u7684<\/p>\n
      $ sudo rpi-eeprom-update \nBOOTLOADER: up to date #\u5df2\u7ecf\u662f\u6700\u65b0stable\u7248\u672c\nCURRENT: Wed 11 Jan 2023 05:40:52 PM UTC (1673458852)\nLATEST: Wed 11 Jan 2023 05:40:52 PM UTC (1673458852)\nRELEASE: stable (\/lib\/firmware\/raspberrypi\/bootloader\/stable)\n       Use raspi-config to change the release.\n       #\u53ef\u4f7f\u7528raspi-config\u9009\u62e9release\/beta\u7b49\u7248\u672c\n\nVL805_FW: Using bootloader EEPROM\nVL805: up to date #\u5df2\u7ecf\u662f\u6700\u65b0\u7248\u672c\nCURRENT: 000138c0\nLATEST: 000138c0<\/code><\/pre>\n
      b. \u6267\u884csudo rpi-eeprom-update -d -a\uff0c\u66f4\u65b0eeprom\uff0c\u5b8c\u6210\u540e\uff0c\u4f1a\u6709\u63d0\u793areboot\u3002
      \nc. \u6267\u884csudo reboot\uff0c\u7b49\u5f85\u7cfb\u7edf\u91cd\u542f
      \nd. \u6267\u884csudo rpi-eeprom-update\uff0c\u786e\u8ba4\u662f\u5426\u90fd\u662f\u6700\u65b0\u7684\u72b6\u6001
      \ne. \u6267\u884csudo rpi-update,\u66f4\u65b0kernel\u548cVideoCore firmware<\/p>\n
      #\u5df2\u7ecf\u66f4\u65b0\u5b8c\u4e86\uff0c\u8fd9\u91cc\u53ea\u662f\u505a\u6f14\u793a\n$ sudo rpi-update \n*** Raspberry Pi firmware updater by Hexxeh, enhanced by AndrewS and Dom\n*** Performing self-update\n*** Relaunching after update\n*** Raspberry Pi firmware updater by Hexxeh, enhanced by AndrewS and Dom\nFW_REV:7d6d960523325b4c52804183f4b56e0bb9297102\n*** Your firmware is already up to date (delete \/boot\/.firmware_revision to force an update anyway)<\/code><\/pre>\n
      f. \u5b8c\u6210\u540e\u4f1a\u63d0\u793a\u91cd\u542f
      \ne. \u89c2\u5bdf\u7cfb\u7edf\u662f\u5426\u5df2\u7ecf\u7a33\u5b9a\u4e86<\/p>\n<\/li>\n<\/ol>\n
      \u53c2\u8003\u8d44\u6599\uff1a<\/h2>\n
        \n
      1. Raspberry Pi 4 Boot EEPROM – https:\/\/www.raspberrypi.com\/documentation\/computers\/raspberry-pi.html#raspberry-pi-4-boot-eeprom<\/a><\/li>\n
      2. Raspberry Pi 4 not booting – SDRAM Failure – https:\/\/forums.raspberrypi.com\/viewtopic.php?t=317088<\/a>
        \n3\u3002Using rpi-update –         https:\/\/www.raspberrypi.com\/documentation\/computers\/os.html#using-rpi-update<\/a><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"
        Pi400 \u7535\u6e90\u6307\u793a\u706f\u95ea\u70c1\/SDRAM failure\/\u6b7b\u673a\u9ed1\u5c4f\u60c5\u51b5\u7684\u5904\u7406 \u80cc\u666f \u6700\u8fd1Pi400\u51fa\u73b0\u4e0d\u7a33\u5b9a\u60c5\u51b5 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19,1],"tags":[],"class_list":["post-286","post","type-post","status-publish","format-standard","hentry","category-ha","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.shadowfly.top\/index.php?rest_route=\/wp\/v2\/posts\/286","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.shadowfly.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.shadowfly.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.shadowfly.top\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.shadowfly.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=286"}],"version-history":[{"count":6,"href":"https:\/\/www.shadowfly.top\/index.php?rest_route=\/wp\/v2\/posts\/286\/revisions"}],"predecessor-version":[{"id":292,"href":"https:\/\/www.shadowfly.top\/index.php?rest_route=\/wp\/v2\/posts\/286\/revisions\/292"}],"wp:attachment":[{"href":"https:\/\/www.shadowfly.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=286"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.shadowfly.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=286"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.shadowfly.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=286"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}